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Seves Glass Block Inc. Glass Unit Masonry
 
         
SECTION 04 23 00
 
         
GLASS UNIT MASONRY
 
         
 
         
Copyright 2018 - 2018 ARCAT, Inc. - All rights reserved

          ** NOTE TO SPECIFIER ** Seves Glass Block Inc.; Glass Block products.
This section is based on the products of Seves Glass Block Inc., which is located at:
10576 Broadview Rd.
Cleveland, OH 44147
Toll Free Tel: 877-738-3711
Tel: 440-627-6257
Email: request info
Web: http://sevesglassblock.com
[ Click Here ] for additional information.
Seves Glassblock is the world's leading manufacturer of glass block for interior design and architectural applications.
Seves Glassblock's success is defined by one clear objective: to maximize the potential of glass blocks by transforming them from a marginal, traditional construction element into an artistic expression of light and space.
From the start, Seves Glassblock aimed to change traditional production rules and ideas regarding glass blocks, which were previously considered "poor" building materials used only in cases of lack of light. Seves Glassblock introduced to the humble glass block highly advanced experience and technology thus enhancing its pureness, brilliance, transparency, and resistance, the single most beneficial components of the product.
Then, it went one step further by adding an exclusive characteristic, once reserved only for the most sophisticated glasses: color.
An improved process of production rationalization modified and enlarged the entire product line with models and complementary modules to make customized solutions.
 
          PART 1GENERAL
 
          1.1SECTION INCLUDES
          ** NOTE TO SPECIFIER ** Delete items below not required for project.
 
          A.Hollow Glass Block Units:
          1.Basis of Design: Tailor Made.
          2.Basis of Design: Classic.
          3.Basis of Design: Imperial.
 
          B.Solid Glass Block Units:
          1.Basis of Design: Vistabrik.
          2.Basis of Design: Vetropieno.
 
          C.Accessory Products:
          1.Joint reinforcing.
          2.Mortar materials.
          3.Sealers.
 
          1.2RELATED SECTIONS
          ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
          A.Section 04 05 13 - Masonry Mortaring.
 
          B.Section 04 05 16.16 - Chemical-Resistant Masonry Grouting.
 
          C.Section 04 05 19.13 - Continuous Joint Reinforcing.
 
          D.Section 04 05 19.13 - Masonry Control and Expansion Joints.
 
          E.Section 05 20 00 - Metal Joists.
 
          F.Section 05 50 00 - Metal Fabrications.
 
          G.Section 07 62 00 - Sheet Metal Flashing and Trim.
 
          H.Section 07 65 26 - Self-Adhering Sheet Flashing.
 
          I.Section 07 90 00 - Joint Protection.
 
          1.3REFERENCES
          ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
          A.ASTM International (ASTM):
          1.ASTM A82 - Standard Specification for Steel Wire, Plain, for Concrete Reinforcement.
          2.ASTM A167 - Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip.
          3.ASTM A580 - Standard Specification for Stainless Steel Wire.
          4.ASTM C144 - Standard Specification for Ferrotungsten.
          5.ASTM C150 - Standard Specification for Portland Cement.
          6.ASTM C153 - Specification for Refractories for Moderate Duty Stationary Boiler Service.
          7.ASTM C207 - Standard Specification for Hydrated Lime for Masonry Purposes.
          8.ASTM C270 - Standard Specification for Mortar for Unit Masonry.
          9.ASTM D1187 - Standard Specification for Asphalt-Base Emulsions for Use as Protective Coatings for Metal.
          10.ASTM D1227 - Standard Specification for Emulsified Asphalt Used as a Protective Coating for Roofing.
          11.ASTM E2010 - Standard Test Method for Positive Pressure Fire Tests of Window Assemblies.
 
          B.National Fire Protection Association (NFPA):
          1.NFPA 257 - Standard on Fire Test for Window and Glass Block Assemblies.
 
          C.Underwriters Laboratories (UL):
          1.UL 9 - Standard for Fire Tests of Window Assemblies.
 
          1.4SUBMITTALS
 
          A.Submit under provisions of Section 01 30 00 - Administrative Requirements.
 
          B.Product Data:
          1.Manufacturer's data sheets on each product to be used.
          2.Preparation instructions and recommendations.
          3.Storage and handling requirements and recommendations.
          4.Installation methods including written plan for cold and hot weather construction and masonry cleaning procedures.
 
          C.Verification Samples: Submit two full size glass block units of each type, size, pattern and color.
 
          D.Manufacturer's Certificates and Test Reports: Certify products meet or exceed specified requirements. Test reports should be within 12 months of bid date.
 
          1.5QUALITY ASSURANCE
 
          A.Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum ten years documented experience.
 
          B.Installer Qualifications: Company specializing in performing Work of this section with minimum five years documented experience with projects of similar scope and complexity.
 
          C.Source Limitations: Provide each type of masonry unit from a single manufacturing source to ensure uniform texture and color for continuous and visually related items.
          ** NOTE TO SPECIFIER ** Include a larger mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
 
          D.Mock-Up: Prior to starting masonry work build sample wall panels for Architect's inspection and acceptance. Build panels on a firm foundation, in location acceptable to the Architect. Construct sample panels full thickness, installing wall reinforcement, anchors, ties and other required accessories. Provide special features as directed for control joints, weeps, etc. Panels shall show color range and texture of masonry units, bond, mortar joints and workmanship to be expected for the project.
          1.Build sample panels for each type of glass block masonry construction.
          2.Obtain Architect's acceptance of mock-ups. Rebuild if required until acceptance is achieved.
          3.Retain sample panels during construction as a standard for judging completed masonry work. Do not alter, move, or destroy sample panels until work is completed or removal is authorized.
 
          1.6PRE-INSTALLATION CONFERENCE
 
          A.Convene an architectural masonry conference approximately two weeks before scheduled commencement of masonry construction and associated work.
 
          B.Require attendance of installers of components that are to be built-into or otherwise concerned with masonry performance, and installers of other work in and around the masonry which must precede or follow the work and including the Architect, Owner, window, door and roofing representatives and the architectural masonry manufacturer's representative.
 
          C.Objectives Include:
          1.Review foreseeable methods and procedures related to masonry work, including set up and mobilization areas for stored material and work area.
          2.Tour representative areas to receive masonry, inspect and discuss condition of substrate, penetrations and other preparatory work.
          3.Review work of other trades and make provisions to permit installation of their work in a manner to avoid cutting and patching.
          4.Review masonry requirements, Drawings, Specifications and other Contract Documents.
          5.Review and finalize schedule related to masonry and related work and verify availability of materials, installer's personnel, equipment and facilities needed to make progress and avoid delays.
          6.Review required inspection, testing, certifying procedures.
          7.Review weather and forecasted weather conditions and procedures for coping with unfavorable conditions.
          8.Record conference including decisions and agreements reached. Furnish a copy of records to each party attending.
 
          1.7DELIVERY, STORAGE, AND HANDLING
 
          A.Deliver glass block masonry units to the job site on wood pallets with manufacturer's recommended unit protective covers.
 
          B.Inspect glass block masonry units upon delivery to ensure color match with required materials and accepted samples.
 
          C.Stack masonry units in a dry place off the ground on pallets or a prepared plank platform. Method of stacking is acceptable. Protect with waterproof tarpaulin coverings arranged to allow air circulation around and above masonry units.
 
          D.Exercise care in the storage, handling and installation of masonry units. Do not build soiled or damaged masonry units into the work.
 
          1.8SEQUENCING
 
          A.Ensure that locating templates and other information required from others for built-in installation of products of this section are furnished in time to prevent interruption of construction progress.
 
          1.9PROJECT CONDITIONS
 
          A.Maintain materials and ambient air temperatures to a minimum of 40 degrees F (4.4 degrees C) prior to, during and 48 hours after completion of work.
 
          B.Protect Glass Blocks from moisture prior to construction.
 
          C.Coordination: Coordinate Work to ensure top of wall is covered and remains covered until properly block openings are protected with coping or finishing system indicated on the Drawings.
 
          PART 2PRODUCTS
 
          2.1MANUFACTURERS
 
          A.Acceptable Manufacturer: Seves Glass Block Inc., which is located at: 10576 Broadview Rd.; Cleveland, OH 44147; Toll Free Tel: 877-738-3711; Tel: 440-627-6257; Email: request info; Web: http://sevesglassblock.com
          ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
          B.Substitutions: Not permitted.
 
          C.Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
 
          2.2PERFORMANCE REQUIREMENTS
 
          A.Structural Performance: Glass-block system and building attachment.
          ** NOTE TO SPECIFIER ** Delete load options not required.
          1.Loads: As indicated on the Drawings.
          2.Wind Load: ______. Uniform pressure acting inward or outward.
          3.Floor Live Load: ______.
          4.Roof Live Load: ______.
 
          B.Fire Rated Glass Block Systems: Assemblies listed by testing and inspecting agencies acceptable to authorities having jurisdiction.
          1.Test at positive pressure per UL 9 or NFPA 257.
 
          2.3DESIGN REQUIREMENTS
 
          A.Aluminum channels in lieu of panel anchors are an acceptable alternate.
 
          B.Head and Jamb Channel: 14 gauge, 0.785 in (2 mm) steel.
          1.Standard Series: 1-1/2 x 4-1/2 in (38 x 114 mm).
          2.Thin line Series: 1-1/2 x 3-3/4 in (38 x 95 mm).
          3.Exterior Installations: Hot dipped zinc coated steel, or a non-ferrous metal.
 
          C.Glass block panels to be non-load bearing and isolated from surrounding structures/walls with 3/8 in (9.5 mm) thick glass fiber or white polyethylene foam expansion strips at jambs and head. Sill to be coated with asphalt emulsion to serve as a bond breaker.
 
          D.Structural members around glass block panels shall be limited to a deflection of L/600.
 
          E.Provide for vertical expansion joints where straight walls and curved walls (radius larger than 24 in (610 mm) intersect or at a reversal of the curved wall.
 
          F.Expansion material at jambs may be omitted for panels with areas of 25 sq ft (2.323 sq m) or less. Expansion joint at head must be maintained.
 
          G.All steel on the outside, within the wall system and adjacent to wall on inside, should have a coating of hot dipped zinc or be stainless steel to minimize rust staining.
 
          H.Silicone sealant may be used in lieu of mortar in which the exposed joints are approximately 1/8 in (3 mm) thick and panels are limited to 25 sq ft (2.323 sq m) on exterior and 85 sq ft (7.897 sq m) on interior installations.
 
          I.Limitation of Panel Sizes:
          1.Exterior wall panels using Standard Series, 3 7/8 in (100 mm) thick block exposed to 20 lbs per sq ft (138 kPa) wind load to be limited to 144 sq ft (13.378 sq m) when supported on all four sides. Area may be increased to 250 sq ft (23.226 sq m) when an intermediate stiffener is incorporated as an additional supporting member near the middle of the panel and span is no longer than 10 ft (3.05 m). Maximum height to be 20 ft (6.10 m) and maximum width to be 25 ft (7.62 m) except where the Uniform Building Code limits height and width to 15 ft (4.57 m).
          2.Interior wall panels using Standard Series, 3 7/8 in (100 mm) thick block to be limited to 250 sq ft (23.226 sq m). Maximum height to be 25 ft (7.62 sq m) and maximum width to be 25 ft (7.62 m) except where the Uniform Building Code limits height and width to 15 ft (4.57 m).
          3.Exterior or interior wall panels using Thinline Series 3-1/8 in (80 mm) thick block, exposed to 20 lbs per sq ft (138 kPa) wind load or less to be limited to 85 sq ft (7.897 sq m) when supported on all four sides. Area may be increased to 150 sq ft (13.935 sq m) when an intermediate stiffener is incorporated as an additional supporting member near the middle of the panel. Maximum height is limited to 10 ft (3.05 m) for exterior and 20 ft (6.10 m) for interior installations. Maximum width is limited to 25 ft (7.62 m) for exterior and interior.
          4.Check governing building code for additional details.
          5.Contact manufacturer for design of glass block panels subjected to a wind load greater than 20 lbs per sq ft (138 kPa) for design of free standing exterior panels.
 
          J.Fire Ratings: Gypsum Board Construction:
          1.Glass block in non-masonry walls with panel anchor construction.
          a.Fire Rating: 45 or 60 minutes.
          b.Steel Studs Below Sill: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) on 8 in (203 mm) centers; maximum length of 36 in (914 mm).
          1)Runner Channel: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) to create base for glass block.
          c.Jambs: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) steel stud and runner channel. Gypsum board to be installed between stud and runner channel.
          d.Head: Two, 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) studs with two runner channels.
          e.Panel Anchors:
          1)Locate above first course and in every other joint above.
          2)Secure panel anchor with two, self-drilling, self-tapping screw fasteners.
          3)Fasteners to be located at top of slots and immediately above the bend of the panel anchor.
          4)Locate panel anchors at head in every other vertical mortar joint.
          f.Horizontal mortar joints with panel anchors to be reinforced with 9 x 14 in (229 x 356 mm) AWG galvanized or stainless steel wire. Overlap panel anchor a minimum of 6 in (152 mm). Use type S mortar.
          g.Fill space between glass block and channel with glass fiber, mineral wool or polyethylene and seal with appropriate silicone sealant.
          h.Various available spacers may be used to install SEVES Brand glass blocks.
          2.Glass block in non-masonry walls with channel construction.
          a.Fire Rating: 45 or 60 minutes.
          b.Steel Studs Below Sill: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) on 8 in (203 mm) centers; maximum length of 36 in (914 mm).
          1)Runner Channel: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) to create base for glass block.
          c.Jambs: 20 gauge, 0.040 in (1 mm), 3-5/8 in (92 mm) steel stud and runner channel with 14 gauge, 0.078 in (2 mm) channel secured on 16 in (406 mm) centers.
          d.Head conditions similar to jamb for interior installations. Channel at sill is optional.
          e.Horizontal Reinforcing: Minimum spacing of 18 in (457 mm) on center, i.e. every third joint for 6 in (152 mm) block and every other joint for 8 in (203 mm) block.
          f.Glass block to be placed 1 in (25 mm) deep into recess. Recess to be formed of 1-3/4 in (44 mm) deep steel channel. Steel channel to be 14 gauge, 0.08 in (2 mm) hollow metal. Do not use channel at sill for exterior installations.
          g.Fill space between glass block and channel with glass fiber, mineral wool or polyethylene and seal with silicone caulk.
          h.Various available spacers may be used to install SEVES Brand glass blocks.
 
          K.Fire Ratings: Masonry Construction:
          1.Glass block in masonry walls with panel anchor construction.
          a.Fire Rating: 45 or 60 minutes.
          b.Panel Anchors:
          1)Locate above first course and in every other joint above.
          2)Secure panel anchor with two, self-drilling, self-tapping screw fasteners.
          3)Fasteners to be located at top of slots and immediately above the bend of the panel anchor.
          4)Locate panel anchors at head in every other vertical mortar joint.
          c.Horizontal mortar joints with panel anchors to be reinforced with 9 x 14 in (229 x 356 mm) AWG galvanized or stainless steel wire except below first course or above top course. Overlap panel anchor a minimum of 6 in (152 mm). Use type S mortar.
          d.Sill to be coated with asphalt emulsion to serve as bond breaker.
          e.Fill space between glass block and channel with glass fiber, mineral wool or polyethylene and seal with silicone caulk.
          f.Various available spacers may be used to install SEVES Brand Glass Blocks.
          2.Glass block in masonry walls with channel construction.
          a.Fire Rating: 45, 60 or 90 minutes.
          b.Horizontal Joint Reinforcing: Horizontal reinforcing to have a maximum spacing of 18 in (457 mm) on center, i.e. every third joint for 6 in (152 mm) block and every other joint for 8 in (203 mm) block. All mortar shall be Type S.
          c.Glass block at head and jambs to be placed 1 in (25 mm) into 1-1/2 in (38 mm) deep recess.
          1)Recess formed of masonry or 1-3/4 (44 mm) deep steel channel. Steel channel to be 14 gauge, 0.075 in (1.9 mm) hollow metal for 45 or 60 minute openings and steel channel, C5 x 6.7 (C130 x 10) for 90 minute openings.
          2)Do not use channel at sill for exterior installations.
          a)Sill to be coated with asphalt emulsion to serve as bond breaker.
          d.Fill space between glass block and channel with glass fiber, mineral wool or polyethylene and seal with appropriate silicone sealant.
          e.The installation of glass block will be more easily accomplished if the lintel is not installed until the top course of glass block has been installed.
          f.Various available spacers may be used to install glass blocks. Consult with manufacturer for proper spacers for a particular application.
          ** NOTE TO SPECIFIER ** Delete article if not required.
 
          2.4HOLLOW GLASS BLOCK UNITS; BUILDING AND ARCHITECTURE
          ** NOTE TO SPECIFIER ** Delete basis of design options not required.
 
          A.Basis of Design: Tailor Made, Exclusive Glass Blocks as manufactured by Seves Glassblock Incorporated.
          ** NOTE TO SPECIFIER ** Delete size options not required.
          1.Size: 9.45 x 8.35 x 4.72 in (240 x 212 x 120 mm).
          a.Ginza Clear Curve 24 Smooth Plus Wavey Metalized.
          b.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 9.92 lbs (4.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          2.Size: 13 x 13 x 4.72 in (330 x 330 x 120 mm).
          a.Ginza Clear Q33 Smooth Metalized.
          b.Ginza Clear Q33 Smooth Satin.
          c.Ginza Clear Q33 Smooth transparent.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 20.28 lbs (9.2 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          3.Size: 16.85 x 16.85 x 4.72 in (428 x 428 x 120 mm).
          a.Ginza Clear Q42 Smooth plus Wavey Metalized.
          b.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 35.27 lbs (16 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          4.Size: 11.81 x 11.81 x 5.43 in (300 x 300 x 138 mm).
          ** NOTE TO SPECIFIER ** Delete Trapezoidal glass block type options not required.
          a.Trapezoidal Clear Smooth Metalized.
          b.Trapezoidal Clear Smooth Satin.
          c.Trapezoidal Clear Smooth Transparent.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 16.53 lbs (7.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
 
          B.Basis of design: Classic Formats; White Glass Blocks as manufactured by Seves Glassblock Incorporated.
          ** NOTE TO SPECIFIER ** Delete size option not required.
          1.Size: 7.48 x 7.48 x 3.15 in (190 x 190 x 80 mm).
          a.Opal 1919/8 Plain (Clearview).
          b.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 5.51 lbs (2.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          2.Size: 8 x 8 x 4 in (197 x 197 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete Opal glass block option not required.
          a.Opal 884 Plain (Clarity).
          b.Opal 884 Silk.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: ______ minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 6.17 lbs (2.8 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
 
          C.Basis of Design: Imperial Line as manufactured by Seves Glassblock Incorporated.
          ** NOTE TO SPECIFIER ** Delete size option not required.
          1.Size: 8 x 8 x 4 in (197 x 197 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Clarity.
          c.Cross ribbed.
          d.Arctic.
          e.Regent.
          f.Cortina.
          g.Light diffusing.
          h.Performance Requirements:
          1)Fire Rating per NFPA 257: 45 minutes.
          2)U/R Insulation Values: .48/2.08.
          3)Light Transmission: 73 to 80 percent.
          4)Shading Coefficient: 0.65 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 6.4 lbs (2.9 kg).
          7)Installed Weight: 19.5 lbs per sq ft (13710 kg per sq m).
          2.Size: 8 x 8 x 4 in (197 x 197 x 98 mm), 60 minute.
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Spray.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: 60 minutes.
          2)U/R Insulation Values: .48/2.22.
          3)Light Transmission: 57 percent.
          4)Shading Coefficient: 0.55 percent.
          5)Sound Loss Decibels: 42.
          6)Weight Per Block: 7.7 lbs (3.5 kg).
          7)Installed Weight: 22.7 lbs per sq ft (10.3 kg per sq m).
          3.Size: 8 x 8 x 4 in (197 x 197 x 98 mm), 90 minute.
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Endura.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: 90 minutes.
          2)U/R Insulation Values: .51/1.96.
          ** NOTE TO SPECIFIER ** Delete light transmission option not required.
          3)Light Transmission: 90 percent (Clarity).
          4)Light Transmission: 38 percent (Nubio and Endura).
          5)Shading Coefficient: 0.65 percent.
          6)Sound Loss Decibels: 50.
          7)Weight Per Block: 10 lbs (4.5 kg).
          8)Installed Weight: 30 lbs per sq ft (13.6 kg per sq m).
          4.Size: 6 x 8 x 4 in (146 x 197 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Cortina.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: 45 minutes.
          2)U/R Insulation Values: .48/2.08.
          3)Light Transmission: 75 percent.
          4)Shading Coefficient: 0.65 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 4.9 lbs (2.2 kg).
          7)Installed Weight: 20.1 lbs per sq ft (9.1 kg per sq m).
          5.Size: 6 x 6 x 4 in (146 x 146 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Cortina.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: 45 minutes.
          2)U/R Insulation Values: .48/2.08.
          3)Light Transmission: 73 percent (Clarity).
          4)Shading Coefficient: 0.65 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 3.5 lbs (1.6 kg).
          7)Installed Weight: 20.8 lbs per sq ft (9.4 kg per sq m).
          6.Size: 4 x 8 x 4 in (95 x 197 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Cortina.
          d.Performance Requirements:
          1)Fire Rating per NFPA 257: 45 minutes.
          2)U/R Insulation Values: .48/2.08.
          3)Light Transmission: 73 percent.
          4)Shading Coefficient: 0.65 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 3.5 lbs (1.6 kg).
          7)Installed Weight: 20.8 lbs per sq ft (9.4 kg per sq m).
          7.Size: 12 x 12 x 4 in (305 x 305 x 98 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Cross Large.
          d.Ice Scape.
          e.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: 73 to 80 percent.
          4)Shading Coefficient: 0.63 percent.
          5)Sound Loss Decibels: 39.
          6)Weight Per Block: 15.3 lbs (6.9 kg).
          7)Installed Weight: 18.7 lbs per sq ft (8.5 kg per sq m).
          8.Size: 4 x 8 x 4 in (95 x 197 x 98 mm) Corner.
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Cortina.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: N/A.
          4)Shading Coefficient: 0.30 percent.
          5)Sound Loss Decibels: 39.
          6)Weight Per Block: 4.1 lbs (1.85 kg).
          7)Installed Weight: 18.1 lbs per sq ft (8.2 kg per sq m).
          9.Size: 8 x 8 x 4 in (197 x 197 x 98 mm) End block.
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Cortina.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: N/A.
          4)Shading Coefficient: N/A.
          5)Sound Loss Decibels: N/A.
          6)Weight Per Block: 6.2 lbs (2.8 kg).
          7)Installed Weight: 19.1 lbs per sq ft (8.7 kg per sq m).
          10.Size: 8 x 8 x 4 in (197 x 197 x 98 mm) Double End.
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Cortina.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: N/A.
          4)Shading Coefficient: N/A.
          5)Sound Loss Decibels: N/A.
          6)Weight Per Block: 6.2 lbs (2.8 kg).
          7)Installed Weight: 19.1 lbs per sq ft (8.7 kg per sq m).
          11.Size: 4 x 8 x 4 in (95 x 197 x 98 mm) All bend.
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Cortina.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: N/A.
          4)Shading Coefficient: N/A.
          5)Sound Loss Decibels: N/A.
          6)Weight Per Block: 3.6 lbs (1.6 kg).
          7)Installed Weight: 23.8 lbs per sq ft (10.8 kg per sq m).
          12.Size: 8 x 8 x 4 in (197 x 197 x 98 mm) Dublo 45.
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Cortina.
          c.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: N/A.
          3)Light Transmission: N/A.
          4)Shading Coefficient: N/A.
          5)Sound Loss Decibels: N/A.
          6)Weight Per Block: 4.1 lbs (1.8 kg).
          7)Installed Weight: 18.1 lbs per sq ft (8.2 kg per sq m).
          13.Size: 8 x 8 x 3 in (197 x 197 x 73 mm).
          ** NOTE TO SPECIFIER ** Delete glass block option not required.
          a.Nubio.
          b.Clarity.
          c.Ice.
          d.Diamond Pattern (DM).
          e.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: .53/1.89.
          3)Light Transmission: 75 percent.
          4)Shading Coefficient: .66 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 5.2 lbs (2.3 kg).
          7)Installed Weight: 15.9 lbs per sq ft (7.2 kg per sq m).
          14.Size: 6 x 8 x 3 in (146 x 197 x 73 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Clarity.
          c.Ice.
          d.Diamond Pattern (DM).
          e.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: .53/1.89.
          3)Light Transmission: 75 percent.
          4)Shading Coefficient: .66 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 4.4 lbs (2 kg).
          7)Installed Weight: 16.4 lbs per sq ft (7.4 kg per sq m).
          15.Size: 6 x 6 x 3 in (146 x 146 x 73 mm mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Nubio.
          c.Clarity.
          d.Ice.
          e.Diamond Pattern (DM).
          f.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: .53/1.89.
          3)Light Transmission: 75 percent.
          4)Shading Coefficient: .66 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 3.1 lbs (1.4 kg).
          7)Installed Weight: 17.2 lbs per sq ft (7.8 kg per sq m).
          16.Size: 4 x 8 x 3 in (98 x 197 x 73 mm).
          ** NOTE TO SPECIFIER ** Delete glass block options not required.
          a.Nubio.
          b.Nubio.
          c.Clarity.
          d.Ice.
          e.Diamond Pattern (DM).
          f.Performance Requirements:
          1)Fire Rating per NFPA 257: N/A.
          2)U/R Insulation Values: .53/1.89.
          3)Light Transmission: 75 percent.
          4)Shading Coefficient: .66 percent.
          5)Sound Loss Decibels: 41.
          6)Weight Per Block: 2.9 lbs (1.3 kg).
          7)Installed Weight: 18.6 lbs per sq ft (8.4 kg per sq m).
 
          D.Accessories:
          1.Joint Reinforcing: Ladder type. 2 to 9 gauge; 0.258 to 0.114 inch (6.54 to 2.91 mm) diameter.
          ** NOTE TO SPECIFIER ** Delete material option not required.
          a.Material: Hot dipped galvanized.
          b.Material: Stainless steel.
          ** NOTE TO SPECIFIER ** Delete parallel longitudinal wire option not required.
          c.Parallel Longitudinal Wire: 2 in (51 mm) on center for block width 3-7/8 in (100 mm).
          d.Parallel Longitudinal Wire: 1-5/8 in (41 mm) on center for block width 3-1/8 in (80 mm).
          e.Cross Rods: Welded on 8 in (203 mm) centers.
          2.Panel Anchors: 1-3/4 x 24 in (44 x 610 mm) with staggered perforations.
          a.Thickness: 20 gauge; 0.04 in (1 mm).
          ** NOTE TO SPECIFIER ** Delete material option not required.
          b.Material: Hot dipped galvanized.
          c.Material: Stainless steel.
          ** NOTE TO SPECIFIER ** Delete perimeter chase option not required.
          3.Perimeter Chase: Masonry recess, aluminum channel.
          4.Perimeter Chase: Masonry recess, steel channel.
          5.Asphalt Emulsion: Karnac 100 or equal.
          6.Expansion Strips: 3/8 x 3-1/2 in (9.5 x 89 mm) polyethylene foam or glass fiber.
          7.Sealant Type and Color: ______.
          8.Backer Rod: As recommended by sealant supplier.
 
          E.Mortar Materials: Prepare according to ASTM C270 for Type S Mortar.
          1.Portland Cement (Type 1): 1 part.
          2.Lime: 1 part.
          3.Fine Sand: 2-12 to 3 parts. Sand passing No. 20 sieve and free of iron compounds to avoid stains.
          4.Use white Portland Cement and silica sand for white joints.
          5.Mix mortar drier than normal and only an amount that will be used in 1/2 to 1 hour. Glass block will not absorb water the same as brick.
          6.Do not use re-tempered mortar.
          7.Do not use antifreeze compounds or accelerators.
          8.Add mortar color per manufacturer's instructions.
          ** NOTE TO SPECIFIER ** Delete mortar color option not required.
          a.Mortar Color: ______.
          b.Mortar Color: As determined by the Architect.
          9.Add Laticrete 8510 or a glass block manufacturer approved equivalent to increase waterproofing qualities of mortar.
          ** NOTE TO SPECIFIER ** Delete article not required.
 
          2.5SOLID GLASS BLOCK UNITS; BUILDING AND ARCHITECTURE
          ** NOTE TO SPECIFIER ** Delete basis of design option not required.
 
          A.Basis of Design: Vistabrik as manufactured by Seves Glassblock Incorporated. Bullet resistant, fire resistant, light control, sound proofing, thermal insulation.
          ** NOTE TO SPECIFIER ** Delete size options not required.
          1.Size: 8 x 8 x 3 in (194 x 194 x 76 mm).
          ** NOTE TO SPECIFIER ** Delete finish pattern option not required.
          a.Finish Pattern: Clear.
          b.Finish Pattern: Stippled.
          c.Performance Requirements:
          1)Fire Rating: 90 Minutes. Tested to UL 9 or NFPA 257.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 15.4 lbs (7.0 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          2.Size: 6 x 8 x 3 in (143 x 194 x 76 mm).
          a.Finish Pattern: Clear.
          b.Performance Requirements:
          1)Fire Rating: 90 Minutes. Tested to UL 9 or NFPA 257.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 2.0 lbs (4.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          3.Size: 4 x 8 x 3 in (92 x 194 x 76 mm).
          a.Finish Pattern: Clear.
          b.Performance Requirements:
          1)Fire Rating: 90 Minutes. Tested to UL 9 or NFPA 257.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 2.0 lbs (4.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          4.Size: 7.75 x 7.75 x 1.57 in (197 x 197 x 40 mm).
          a.Finish: Clear.
          1)Performance Requirements:
          a)Fire Rating: 45 Minutes. Tested to UL 9 or NFPA 257.
          b)U/R Insulation Values: ______.
          c)Light Transmission: ______ percent.
          d)Shading Coefficient: ______ percent.
          e)Sound Loss Decibels: ______.
          f)Weight Per Block: 7.7 lbs (3.5 kg).
          g)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          b.Finish Clear and stippled.
          1)Performance Requirements:
          a)Fire Rating: 45 Minutes. Tested to UL 9 or NFPA 257.
          b)U/R Insulation Values: ______.
          c)Light Transmission: ______ percent.
          d)Shading Coefficient: ______ percent.
          e)Sound Loss Decibels: ______.
          f)Weight Per Block: 6.2 lbs (2.8 kg).
          g)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          5.Accessories:
          a.Joint Reinforcing: Ladder type. 2 to 9 gauge; 0.258 to 0.114 inch (6.54 to 2.91 mm) diameter stainless steel.
          1)Parallel Longitudinal Wire: 1-5/8 in (41 mm) on center for block width 3 in (76 mm).
          2)Cross Rods: Welded on 8 in (203 mm) centers.
          ** NOTE TO SPECIFIER ** Delete panel anchors if 90 minute fire rating is required. Panel anchors not permitted
          6.Panel Anchors: 1-3/4 x 16 in (44 x 406 mm) with staggered perforations.
          a.Thickness: 20 gauge; 0.04 in (1 mm). Stainless steel.
          ** NOTE TO SPECIFIER ** Delete perimeter chase option not required. Steel channel required for 90-minute fire rating
          b.Perimeter Chase: Masonry recess, aluminum channel.
          c.Perimeter Chase: Masonry recess, steel channel.
          d.Asphalt Emulsion: Karnac 100 or equal.
          e.Expansion Strips: 3/8 x 2-3/4 in (9.5 x 70 mm) polyethylene foam or glass fiber at heads and jambs.
          f.(Twice the thickness or 3/4 in (76 mm) total expansion material required for 90-minute rating)
          g.Expansion Strips: 3/4 x 2-3/4 in (19 x 70 mm) polyethylene foam or glass fiber at heads and jambs.
          h.Sealant Type and Color: ______.
          i.Backer Rod: As recommended by sealant supplier.
          7.Mortar Materials: Prepare according to ASTM C270 for Type S Mortar.
          a.Portland Cement (Type 1): 1 part.
          b.Lime: 1/2 part.
          c.Fine Sand: 2-12 to 3 parts. Sand passing No. 20 sieve and free of iron compounds to avoid stains.
          d.Use white Portland Cement and silica sand for white joints.
          e.Mix mortar drier than normal and only an amount that will be used in 1/5 to 1 hour. Glass block will not absorb water the same as brick.
          f.Do not use re-tempered mortar.
          g.Do not use antifreeze compounds or accelerators.
          h.Add mortar color per manufacturer's instructions.
          ** NOTE TO SPECIFIER ** Delete mortar color option not required.
          1)Mortar Color: ______.
          2)Mortar color: As determined by the Architect.
          i.Add Laticrete 8510 or a glass block manufacturer approved equivalent to increase waterproofing qualities of mortar.
 
          B.Basis of Design: Vetropieno as manufactured by Seves Glassblock Incorporated. Bullet resistant, fire resistant, light control, sound proofing, thermal insulation.
          ** NOTE TO SPECIFIER ** Delete size option not required.
          1.Size: 9.45 x 4.63 x 2.09 (240 x 117 x 53 mm).
          ** NOTE TO SPECIFIER ** Delete color options not required.
          a.Color: Clear.
          b.Color: Blue.
          c.Color: Nordica.
          d.Color: Siena.
          e.Performance Requirements:
          1)Fire Rating per NFPA 257: 90 minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 7.72 lbs (3.5 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          2.Size: 4.72 x 4.63 x 2.09 (120 x 117 x 53 mm).
          ** NOTE TO SPECIFIER ** Delete color options not required.
          a.Color: Clear.
          b.Color: Blue.
          c.Color: Nordica.
          d.Color: Siena.
          e.Performance Requirements:
          1)Fire Rating per NFPA 257: 90 minutes.
          2)U/R Insulation Values: ______.
          3)Light Transmission: ______ percent.
          4)Shading Coefficient: ______ percent.
          5)Sound Loss Decibels: ______.
          6)Weight Per Block: 3.75 lbs (1.7 kg).
          7)Installed Weight: ______ lbs per sq ft (______ kg per sq m).
          3.Accessories:
          a.Joint Reinforcing: Ladder type. 2 to 9 gauge; 0.258 to 0.114 inch (6.54 to 2.91 mm) diameter.
          ** NOTE TO SPECIFIER ** Delete material option not required.
          1)Material: Hot dipped galvanized.
          2)Material: Stainless steel.
          3)Parallel Longitudinal Wire: 2-1/2 in (64 mm) on center.
          4)Cross Rods: Welded on 16 in (406 mm) centers.
          b.Panel Anchors: 1-3/4 x 24 in (44 x 610 mm) with staggered perforations.
          1)Thickness: 20 gauge; 0.04 in (1 mm).
          ** NOTE TO SPECIFIER ** Delete material option not required.
          2)Material: Hot dipped galvanized.
          3)Material: Stainless steel.
          c.Perimeter Chase: Masonry recess, 1/4 in (6 mm) steel channel or angles.
          d.Asphalt Emulsion: Karnak 220 A/F or equal.
          e.Expansion Strips: 3/8 x 4 in (9.5 x 102 mm) open cell polyethylene foam or glass fiber.
          ** NOTE TO SPECIFIER ** Delete sealant option not required.
          f.Sealant: 3M Fire Barrier Water Tight Sealant 3000 wt.
          g.Sealant: Commercial-grade Silicone Sealant.
          h.Backer Rod: As recommended by sealant supplier.
          i.External Type Water Proofer: Water-based silicone sealer by BASF Corporation Enviroseal 40 or approved equal.
          4.Mortar Materials: Prepare according to ASTM C270 for Type S Mortar.
          a.Portland Cement (Type 1): 1 part.
          b.Lime: 1 part.
          c.Fine Sand: 2-12 to 3 parts. Sand passing No. 20 sieve and free of iron compounds to avoid stains.
          d.Use White Portland Cement and silica sand for white joints.
          e.Mix mortar drier than normal and only an amount that will be used in 1/2 to 1 hour. Glass block will not absorb water the same as brick.
          f.Do not use re-tempered mortar.
          g.Do not use antifreeze compounds or accelerators.
          h.Add mortar color per manufacturer's instructions.
          ** NOTE TO SPECIFIER ** Delete mortar color option not required.
          i.Mortar Color: ______.
          j.Mortar color: As determined by the Architect.
          k.A water-based acrylic bonding agent can be added with potable water or approval equal to increase waterproofing qualities of mortar and bond strength.
 
          PART 3EXECUTION
 
          3.1EXAMINATION
 
          A.Examine substrates, structure and installation conditions. Do not proceed with architectural concrete masonry work until unsatisfactory conditions have been corrected.
 
          B.Verify items provided by other Sections of work are properly sized and located.
 
          C.Verify that items to be built in are in proper location, and ready for roughing into masonry work.
 
          D.If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
 
          3.2PREPARATION
 
          A.Clean substrate surfaces thoroughly prior to installation.
 
          B.Verify that pocket recesses or chases provided under other section are accurately located and sized.
 
          C.Establish lines, levels and coursing. Verify anchors and flashings are correctly located and installed.
 
          D.Furnish temporary bracing as required during installation of masonry work. Maintain in place until building structure provides permanent support.
 
          E.Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
          ** NOTE TO SPECIFIER ** Edit the following paragraphs as required and applicable to project requirements. Delete the paragraphs that are not applicable.
 
          3.3INSTALLATION
 
          A.Install products in accordance with manufacturer's instructions, approved submittals and in proper relationship with adjacent construction and the following:
          1.Arrange coursing pattern to provide consistent joint work throughout.
          2.Locate and secure perimeter metal chase.
          3.Coat sill under units with asphalt emulsion as a bond breaker.
          4.Mortar joints must be solid. Furrowing is not permitted. Neatly tool surface to a concave joint.
          5.Place panel reinforcing in horizontal joint above first course of block and not more than 18 inches (457 mm) on center for Standard Series, every other course for Thinline Series. Panel anchors if used shall be installed in the same joints as reinforcing.
          6.Isolate panel from adjacent construction on sides and top with expansion strips. Keep expansion joint voids clear of mortar.
          7.Maintain uniform joint width of 1/4 in (6 mm) plus or minus 1/8 in (3 mm).
          8.Maximum variation from plane of unit to next unit to be 1/32 in (0.8 mm).
          9.Maximum variation of panel from plane to be 1/16 in (1.5 mm).
          10.Do not use retempered mortar.
          11.Do not tap glass block with steel tools.
          12.When mortar has set, pack backer rod in jamb and head channels. Recess to allow for sealant.
          13.Apply sealant as required.
 
          3.4CLEANING
 
          A.Remove excess mortar from glass surfaces with a damp cloth before set occurs.
 
          B.Strike and tool joints as required for proper sealing/
 
          C.Number 4 (0000) steel wool can be used to remove remaining mortar and dried film.
 
          3.5PROTECTION
 
          A.Protect installed products until completion of project.
          1.Protect top of wall until covered or capped to a waterproof condition by subsequent construction.
          2.Prevent grout, mortar, and soil from staining the face of masonry to be left exposed. Remove immediately any grout, mortar, and soil that comes in contact with such masonry.
          3.Protect base of walls from rain-splashed mud and mortar splatter by means of coverings spread on ground and over wall surface.
          4.Protect sills, ledges, and projection from mortar splatter and dropping.
          5.Protect surfaces of windows and door frames; as well as similar products with painted and integral finishes from mortar splatter and dropping.
 
          B.Touch-up, repair or replace damaged products before Substantial Completion.
 
         
END OF SECTION