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| | SECTION 07135 |
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| | PRE-APPLIED INTEGRALLY BONDED SHEET MEMBRANE WATERPROOFING |
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| | ** NOTE TO SPECIFIER ** W.R. Grace and Company; Pre-Applied Integrally Bonded Sheet Membrane Waterproofing
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This section is based on the products of W.R. Grace and Company, which is located at:
62 Whittemore Avenue.
Cambridge, MA 02140.
Tel: (866) 333-3726.
Fax: (617)498-4311.
Email: erin.m.downing@grace.com
www.na.graceconstruction.com.
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Grace Construction Products offers a wide range of innovative specialty construction chemicals and materials that includes: concrete admixtures and fibers, liquid pigments for colored concrete, cement processing additives, concrete masonry products, air and vapor barriers, roofing underlayments, self-adhered window, door and deck flashings, structural waterproofing systems and fire protection products. As a worldwide leader in the construction products industry, Grace products are specified by architects and engineers and are used by contractors, ready mix, precast and block producers, cement manufacturers to enhance the durability, strength and appearance of structures found in many major construction projects. Many of the world's most challenging building problems have been solved by Grace's premium construction chemicals and building materials.
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| | PART 1 | GENERAL |
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| | 1.1 | SECTION INCLUDES |
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| | | A. | Vertically Applied Sheet Membrane Waterproofing: Membrane applied against soil retention system prior to placement of concrete foundation walls. |
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| | | B. | Horizontal Applied Sheet Membrane Waterproofing: Membrane applied on prepared sub-base prior to placement of concrete slabs. |
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| | 1.2 | RELATED SECTIONS |
| | ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required. |
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| | | A. | Section 02200 - Earthwork. |
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| | | B. | Section 02350 - Piles and Caissons. |
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| | | C. | Section 03100 - Concrete Formwork. |
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| | | D. | Section 03300 - Cast-In-Place Concrete. |
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| | 1.3 | REFERENCES |
| | ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section. |
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| | | A. | ASTM C 836 - Standard Specification for High Solids, Cold Liquid-Applied Elastomeric Waterproofing Membrane for Use with Separate Wearing Course. |
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| | | B. | ASTM D 412 - Standard Test Methods for Rubber Properties in Tension. |
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| | | C. | ASTM D 570 - Standard Test Method for Water Absorption of Plastics. |
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| | | D. | ASTM D 903 - Standard Test Method for Peel or Stripping Strength of Adhesive Bonds. |
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| | | E. | ASTM D 1434 - Standard Test Method for Determining Gas Permeability Characteristics of Plastic Film and Sheeting. |
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| | | F. | ASTM D 1876 - Standard Test Method for Peel Release of Adhesives (T-Peel). |
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| | | G. | ASTM D 1970 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection. |
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| | | H. | ASTM D 3767 - Standard Practice for Rubber - Measurements of Dimensions. |
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| | | I. | ASTM D 5385 - Standard Test Method for Hydrostatic Pressure Resistance of Waterproofing Membranes. |
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| | | J. | ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials. |
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| | | K. | ASTM E 154 - Standard Test Methods for Water Vapor Retarders Used in Contact with Earth Under Concrete Slabs, on Walls, or as Ground Cover. |
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| | 1.4 | SUBMITTALS |
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| | | A. | Submit under provisions of Section 01300. |
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| | | B. | Product Data: Manufacturer's data sheets on each product to be used, including: |
| | | | 1. | Preparation instructions and recommendations. |
| | | | 2. | Storage and handling requirements and recommendations. |
| | | | 3. | Installation methods. |
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| | | C. | Shop Drawings: Submit manufacturer's approved drawings for all applicable flashing and construction details. |
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| | | D. | Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square representing actual product, color, and patterns. |
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| | 1.5 | QUALITY ASSURANCE |
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| | | A. | Manufacturer Qualifications: Sheet membrane waterproofing system shall be manufactured and marketed by a single firm with a minimum of twenty (20) years experience in the production and sales of sheet membrane waterproofing. Manufacturers proposed for use but not named in these specifications shall submit evidence of ability to meet all requirements specified, and include a list of projects of similar design and complexity completed within the past 5 years. |
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| | | B. | Installer Qualifications: A firm which has at least three (3) years experience in work of the type required by this section. |
| | ** NOTE TO SPECIFIER ** Include a 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 a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project. |
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| | | C. | Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship. |
| | | | 1. | Finish areas designated by Architect. |
| | | | 2. | Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect. |
| | | | 3. | Refinish mock-up area as required to produce acceptable work. |
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| | | D. | Pre-Installation Conference: Hold a pre-installation conference prior to commencement of field operations to establish procedures to maintain optimum working conditions and to coordinate this work with related and adjacent work. Agenda for meeting will include review of special details and flashing. |
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| | 1.6 | DELIVERY, STORAGE, AND HANDLING |
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| | | A. | Store products in manufacturer's unopened packaging until ready for installation. |
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| | | B. | Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction. |
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| | 1.7 | PROJECT CONDITIONS |
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| | | A. | Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits. |
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| | 1.8 | WARRANTY |
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| | | A. | Upon completion of work, provide a written five year Limited Material Warranty issued by the membrane manufacturer. |
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| | PART 2 | PRODUCTS |
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| | 2.1 | MANUFACTURERS |
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| | | A. | Acceptable Manufacturer: Grace Construction Products, which is located at: 62 Whittemore Ave. ; Cambridge, MA 02140-1623; Toll Free Tel: 866-333-3726; Tel: 617-876-1400; Fax: 617-498-4311; Email: request info; Web: www.na.graceconstruction.com |
| | ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions. |
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| | | B. | Substitutions: Not permitted. |
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| | | C. | Requests for substitutions will be considered in accordance with provisions of Section 01600. |
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| | 2.2 | SHEET WATERPROOFING MEMBRANE |
| | ** NOTE TO SPECIFIER ** The following are notes about test methods for Preprufe Membranes. |
| | - Elongation of membrane is run at a rate of 50 mm (2 in.) per minute.Concrete is cast against the protective coating surface of the membrane and allowed to cure (7 days minimum).
- Peel adhesion of membrane to concrete is measured at a rate of 50 mm (2 in.) per minute at room temperature.
- The test is conducted 15 minutes after the lap is formed as per manufacturer's instructions and run at a rate of 50 mm (2 in.) per minute at -4oC (25oF).
- Hydrostatic head tests are performed by casting concrete against the membrane with a lap. Before the concrete sets a 3 mm (0.125 in.) spacer is inserted perpendicular to the membrane to create a gap.
- The cured block is placed in a chamber where water is introduced to the membrane surface up to a head of 70 m (231 ft) of water which is the limit of the apparatus. |
| | ** NOTE TO SPECIFIER ** Delete the next paragraph if Preprufe 300R is not required. |
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| | | A. | Preprufe 300R Pre-applied Integrally Bonded Sheet Waterproofing Membrane: 1.2mm (0.046 in) nominal thickness composite sheet membrane comprising 0.8 mm (0.030 in.) of high density polyethylene film, and layers of specially formulated synthetic adhesive layers. The membrane shall form an integral and permanent bond to poured concrete to prevent water migration at the interface of the membrane and structural concrete. Provide membrane with the following physical properties: |
| | | | 1. | Color: White |
| | | | 2. | Thickness: 1.2 mm (0.046 in.) nominal per ASTM D 3767 Method A. |
| | | | 3. | Low Temperature Flexibility: Unaffected at -23 C (-10 F) per ASTM D 1970. |
| | | | 4. | Elongation: Greater than 300 percent per ASTM D 412 Modified. |
| | | | 5. | Crack Cycling at -23 C (-10 F), 100 Cycles: Unaffected per ASTM C 836. |
| | | | 6. | Tensile Strength, Film: 27.6 MPa (4,000 lbs/in.) minimum per ASTM D 412. |
| | | | 7. | Peel Adhesion to Concrete: 880 N/m (5.0 lbs/in.) per ASTM D 903 Modified. |
| | | | 8. | Lap Adhesion: 440 N/m (2.5 lbs/in.) per ASTM D 1876 Modified. |
| | | | 9. | Resistance to Hydrostatic Head: Greater than 70 m (231 ft) per ASTM D 5385 Modified. |
| | | | 10. | Puncture Resistance: 990 N (180 lbs) minimum per ASTM E 154. |
| | | | 11. | Permeance: Less than 0.6 ng/MPa (0.01 perms) per ASTM E 96 Method B. |
| | | | 12. | Water Absorption: Less than 0.5 percent per ASTM D 570. |
| | ** NOTE TO SPECIFIER ** Delete the next paragraph if Preprufe 160R is not required. |
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| | | B. | Preprufe 160R Pre-applied Integrally Bonded Sheet Waterproofing Membrane: 1.0mm (0.032 in) nominal thickness composite sheet membrane comprising 0.4 mm (0.016 in.) of high density polyethylene film, and layers of specially formulated synthetic adhesive layers. The membrane shall form an integral and permanent bond to poured concrete to prevent water migration at the interface of the membrane and structural concrete. Provide membrane with the following physical properties: |
| | | | 1. | Color: White |
| | | | 2. | Thickness: 1.0 mm (0.039 in.) nominal per ASTM D 3767 Method A. |
| | | | 3. | Low Temperature Flexibility: Unaffected at -23 C (-10 F) per ASTM D 1970. |
| | | | 4. | Elongation: Greater than 300 percent per ASTM D 412 Modified. |
| | | | 5. | Crack Cycling at -23 C (-10 F), 100 Cycles: Unaffected per ASTM C 836. |
| | | | 6. | Tensile Strength, Film: 27.6 MPa (4,000 lbs/in.) minimum per ASTM D 412. |
| | | | 7. | Peel Adhesion to Concrete: 880 N/m (5.0 lbs/in.) per ASTM D 903 Modified. |
| | | | 8. | Lap Adhesion: 440 N/m (2.5 lbs/in.) per ASTM D 1876 Modified. |
| | | | 9. | Resistance to Hydrostatic Head: Greater than 70 m (231 ft) per ASTM D 5385 Modified. |
| | | | 10. | Puncture Resistance: 445 N (100 lbs) minimum per ASTM E 154. |
| | | | 11. | Permeance: Less than 0.6 ng/MPa (0.01 perms) per ASTM E 96 Method B. |
| | | | 12. | Water Absorption: Less than 0.5 percent per ASTM D 570. |
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| | PART 3 | EXECUTION |
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| | 3.1 | EXAMINATION |
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| | | A. | Do not begin installation until substrates have been properly prepared. |
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| | | B. | Examine conditions of substrates and other conditions under which this work is to be performed and notify the Architect, in writing, of circumstances detrimental to the proper completion of the work. Do not proceed with work until unsatisfactory conditions are corrected. |
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| | | C. | If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding. |
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| | 3.2 | PREPARATION |
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| | | A. | Clean surfaces thoroughly prior to installation. |
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| | | B. | Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. |
| | ** NOTE TO SPECIFIER ** Delete the next Article if Vertical Application is not specified. |
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| | 3.3 | INSTALLATION - VERTICAL APPLICATION |
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| | | A. | Substrates shall be smooth and sound. Suitable substrates include Hydroduct Drainage Composites by Grace Construction Products or plywood. |
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| | | B. | Strictly comply with installation instructions in manufacturer's published literature, including but not limited to, the following: |
| | | | 1. | Apply membrane with the HDPE film facing the prepared soil retention system (wood lagging, sheet piling, gunite, shotcrete, etc.). Remove the release liner and fasten membrane along uncoated edge to Hydroduct drainage composite with large head nails or to plywood with large head nails or staples. |
| | | | 2. | Apply succeeding sheets by overlapping the previous sheet 75 mm (3 in.) along the uncoated edge of the membrane. Side laps must be firmly rolled to ensure a tight seal. |
| | | | 3. | Overlap the ends of the membrane 75 mm (3 in.). Apply Preprufe Tape centered over the end lap and roll firmly to ensure a tight seal. Remove release liner. |
| | ** NOTE TO SPECIFIER ** Delete the next Article if Horizontal Application is not specified. |
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| | 3.4 | INSTALLATION - HORIZONTAL APPLICATIONS |
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| | | A. | Earth and stone substrates shall be well compacted to produce an even, solid substrate. Remove loose aggregate or sharp protrusions. Concrete substrates shall be smooth or broom finished and monolithic. Fill gaps or voids greater than 13mm (0.5 in.). Remove standing water prior to membrane applications. |
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| | | B. | Strictly comply with installation instructions in manufacturer's published literature, including but not limited to, the following: |
| | | | 1. | Apply membrane with the HDPE film facing the prepared substrate. Remove the release liner during application. |
| | | | 2. | Apply succeeding sheets by overlapping the previous sheet 75mm (3 in.) along the uncoated edge of the membrane. Lap area must be firmly rolled to ensure a tight seal. |
| | | | 3. | Overlap the ends of the membrane a minimum of 75mm (3 in.) and apply Preprufe Tape centered over the lap and roll firmly to ensure a tight seal. |
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| | 3.5 | PROTECTION |
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| | | A. | Protect membrane in accordance with manufacturer's recommendations until placement of concrete. |
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| | | B. | Inspect for damage just prior to placement of concrete and make repairs in accordance with manufacturer's recommendations. |
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| | END OF SECTION |