Parex Exterior Insulation and Finish System Specification

MasterFormat: 95

SpecWizard: customize this spec Download this Exterior Insulation and Finish System Specification for WORD | WP | RTF | TEXT

Find over 500 more construction specifications | Arcat.com

SECTION 07240

EXTERIOR INSULATION AND FINISH SYSTEM

Display hidden notes to specifier by using "Tools"/"Options"/"View"/"Hidden Text".

** NOTE TO SPECIFIER ** Parex; Exterior Insulation and Finish System .
.
This section is based on the products of Parex, which is located at:

4125 E. La Palma Ave.
Suite 250
Anaheim, CA 92807
Toll Free: (800) 537-2739
Tel: (714) 778-2266
Fax: (714) 774-2079
Email: inform@parex.com.
Web: http:// www.parex.com.

[ Click Here ] for additional information.

PAREX, ISO 9001-2000 certified in December of 2002, is a leading Exterior Insulation and Finish Systems (EIFS) and architectural coatings manufacturer with over a decade of experience in the US construction market. Parex, as well as La Habra Stucco, El Rey Stucco, Davco and Surewall, is a brand of ParexLahabra, Inc.

ParexLahabra, Inc. is a subsidiary of Materis, a 1.4 billion Euros worldwide company with four core businesses (mortars and facades, aluminates, admixtures and paint and refractories) servicing the construction industry.

Parex finish systems are designed for commercial, institutional and residential buildings, and for new construction or retrofit. Parex also offers a wide range of acrylic coatings and finishes for interior or exterior use. Today our expertise is backed by over 400 million square feet of applied systems.

With over one hundred distributor locations, Parex's network of distributors and applicators spans the US and provides regular in-person contact with our local professionals. Our distributors are also equipped to custom-tint finish on demand, a service that Parex introduced to the industry in 1988.

Residential Systems
The Parex Water Master with House Wrap EIF System was developed specifically for residential construction, Parex Water Master with House Wrap provides an additional safeguard: water drainage. All buildings are built to keep water out, but water might incidentally enter behind the wall cladding due to leaks around the door or window openings, or improper flashing. Water Master with House Wrap provides a path for water to drain out of the wall. The Parex Water Master with House Wrap EIF System further protects with a moisture barrier installed behind the substrate and the Insulation Board.
Water Master with StuccoWrap is a new choice of drainage system. With its integrated drainage and barrier plane, Water Master with StuccoWrap meets the criteria for drainage EIFS without the need for channeled EPS board. Designed for wood frame construction, Water Master with StuccoWrap adds confidence and protection while simplifying installation. Parex supplies the full range of components for all Water Master systems. The industry's only single-source supplier for drainage systems.

Commercial Systems The Parex Standard System is a PB Exterior Insulation and Finish System with adhesively-attached EPS insulation board, a single layer of Base Coat (minimum thickness 1/16 in.) and reinforced with Parex mesh over the entire surface. Additional mesh can be used to achieve high impact requirements.

Water Master Commercial-DB (Drainage Board) is a type PB EIF system with drainage. Adhesively attached, it is designed for application on commercial buildings including non-combustible and multi-story construction. Installed over Fiber faced gypsum sheathing and concrete based sheathing, the system starts with a Liquid Membrane which creates a seamless secondary weather barrier. Parex Water Master EPS provides drainage channels for incidental water, which is released through the Vented Tracks at the bottom of the system.

Master Water Master Commercial-VR: another of the innovative Parex solutions in drainable EIF systems. Water Master Commercial-VR is designed to offer high-performance moisture control for commercial projects while offering simple, fast, affordable installation, even over substrates that may be uneven.

Standard EXTRA is a PB EIFS system that doubles up the protection of your exterior: the first step of the system is a seamless weather and air barrier installed over the sheathing and at all openings, as a shield against incidental moisture intrusion. The Parex Standard system is then adhesively attached to this "EXTRA" barrier, with insulation, base coat and mesh reinforcement and the variety of finish and colors you need. The exterior of the system offers a proven first line of defense against the elements, doubling up the wall's weather barrier.

Premium The highest quality PB Exterior Insulation and Finish System available. This system offers an adhesively attached EIFS insulation board, a double layer of Base Coat (minimum 3/32 in. to 1/8 in.), mandatory use of Parex high-grade mesh, reinforced corner mesh and Parex Starter Track. Additional mesh can be used to achieve high impact requirements.

Parex I-C Gold is a flexible PM EIF system. It includes a mechanically fastened Sanded Extruded Polystyrene (XPS), a mesh reinforced double layer of base-coat, primer and finish. Its unique polymer modified base-coat is flexible enough that control joints are not required as with other PM systems. I-C Gold provides double the impact strength and better puncture resistance compared to most other EIF systems, superior energy performance, complete design flexibility and superior durability within budget.

Parex I-C Silver System is a PM Exterior Insulation and Finish System with Expanded Polystyrene. The first PM system which can be adhesively attached, I-C Silver is the newest generation of the original PM system. This system offers a unique polymer-modified Base Coat which provides a thick hard-coat system which is flexible enough that control joints are not required as with other PM systems.

Parex ICF Finish System This exterior finish system includes a thick polymer base coat with enhanced impact resistance applied directly over approved ICF systems. Its integrally colored 100% acrylic finish coat with "DPR" dirt pick-up resistance offers virtually unlimited design versatility and low maintenance.

Advanced Masonry Simulation (AMS) The look of brick. The simplicity of EIFS. Together in one application.

.

PART 1

GENERAL

1.1

SECTION INCLUDES

** NOTE TO SPECIFIER ** Delete items below not required for project.

Exterior insulation and finish system - weather barrier BP systems.

Exterior insulation and finish system - drainage plane BP systems.

1.2

RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

Section 05400 - Cold Formed Metal Framing.

Section 06100 - Rough Carpentry.

Section 07620 - Metal Flashing and Trim.

Section 07920 - Joint Sealants.

Section 09250 - Gypsum Board.

1.3

REFERENCES

** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.

ASTM B117 - Test Method for Salt Spray (Fog) Testing.

ASTM C67 - Mod. Test Method For Saturated Freeze/Thaw Cycles of Exposure.

ASTM C150 - Specification for Portland Cement.

ASTM C297 - Test Method for Tensile Strength of Flat Sandwich constructions in Flatwise Plane.

ASTM C578 - Specification for Preformed, Cellular Polystyrene Thermal Insulation.

ASTM C1135 - Test Method for Determining Tensile Adhesion Properties of Structural Sealants.

ASTM D968 - Test Method for Abrasion Resistance of Organic Coatings by Falling Abrasive.

ASTM D1784 - Specification for rigid PVC.

ASTM D2247 Practice for Testing Water Resistance of Coatings in 100 Percent Relative Humidity.

ASTM E84 - Test Method for Surface Burning Characteristics of Building Materials.

ASTM E108 - Mod. Full Scale Structural Fire Testing of Wall Systems.

ASTM E330 - Test Method for Structural Performance by Uniform Static Air Pressure Difference.

ASTM E331 - Test Method for Water Penetration by Uniform Static Air Pressure Difference.

ASTM E695 - Method for Measuring Relative Resistance to Impact Loading.

ASTM G23 and G53 - Accelerated Weathering for Exposure of Nonmetallic Materials.

Fed Mil Spec 810D - Test Method for Determining the Resistance to Mold and Fungus Growth.

** NOTE TO SPECIFIER ** Refer to Parex Water Master with StuccoWrap and Parex Water Master with HouseWrap for wood-frame residential construction.

1.4

SYSTEM DESCRIPTION

** NOTE TO SPECIFIER ** Weather barrier systems. Delete if not required.

General: Exterior Insulation and Finish System (EIFS) - Class PB (Weather Barrier).

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Standard System: An Exterior Insulation and Finish System (EIFS) consisting of Expanded Polystyrene Insulation (EPS) Board, Adhesive, Cementitious or Non-cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer (Optional), and Finish Coat.

System is qualified for use on: non combustible construction, combustible non-residential construction, and fire resistance rated walls.

System is not qualified for use on wood-frame residential construction, including multi-unit.

Inclined surfaces shall follow guidelines listed below:

Minimum slope: 6 inches (152 mm) of vertical rise in 12 inches (305 mm) of horizontal run.

For sloped surfaces, run of slope shall be a maximum of 12 inches (305 mm).

Usage not meeting above criteria shall be approved in writing by Parex prior to installation.

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Standard EXTRA System: An Exterior Insulation and Finish System (EIFS) consisting of Expanded Polystyrene Insulation (EPS) Board, Non-cementitous Adhesive, Cementitious or Non-cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer (Optional), and Finish Coat. This system is installed over a secondary weather barrier consisting of Parex KeyCoat Liquid Membrane Adhesive and Parex Flashing Membrane applied over Georgia Pacific DensGlass Gold Sheathing, exterior gypsum sheathing or cement board.

System is qualified for use on: non combustible construction, combustible non-residential construction, and fire resistance rated walls.

System is not qualified for use on wood-frame residential construction, including multi-unit.

Inclined surfaces shall follow guidelines listed below:

Minimum slope: 6 inches (152 mm) of vertical rise in 12 inches (305 mm) of horizontal run.

For sloped surfaces, run of slope shall be a maximum of 12 inches (305 mm).

Usage not meeting above criteria shall be approved in writing by Parex prior to installation.

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Premium System: An Exterior Insulation and Finish System (EIFS) consisting of Expanded Polystyrene Insulation (EPS) Board, Adhesive, Cementitious or Non-cementitious Base Coat with embedded Reinforcing Fabric Mesh, Second Base Coat Layer, Primer, and Finish Coat.

System is qualified for use on: non combustible construction, combustible non-residential construction, and fire resistance rated walls.

System is not qualified for use on wood-frame residential construction, including multi-unit.

Inclined surfaces shall follow guidelines listed below:

Minimum slope: 6 inches (152 mm) of vertical rise in 12 inches (305 mm) of horizontal run.

For sloped surfaces, run of slope shall be a maximum of 12 inches (305 mm).

Usage not meeting above criteria shall be approved in writing by Parex prior to installation.

Performance:

** NOTE TO SPECIFIER ** Where several tests on different materials are summarized, a range of values is shown. This summary has been prepared to provide quick but partial information on how certain combinations of Parex products perform during certain tests. It is not a complete description of the test procedures or of the results thereof. Parex will mail copies of original test reports at no charge on request. Please contact Parex if further information is required.

Full-Scale Multi-Story Fire Evaluation U.B.C. 26-4 Pass.

Large-Scale Vertical Fire Spread Modified ASTM E 108 No vertical or horizontal flame spread. Prevented fire involvement of insulation core.

Fire Resistance ASTM E 119 Type PB System: Standard fire-resistive 1, 2, & 3 hour assembly. Assembly rating maintained.

Radiant Heat Exposure NFPA 268 Pass: 1 inch (25 mm) to 4 inches (102 mm) EPS.

Surface Burning Characteristics of Coatings ASTM E 84 Flame Spread: 0 to 15, Smoke Developed: 0 to 15.

Impact Load ASTM E 695 30 lb (13.6 kg) impact mass; no cracking of system, 4.8 mm dent depth.

Transverse Wind Load Resistance ASTM E 330 Negative Wind Load: 150psf (7182 Pa) No failure of system. Failure in gypsum sheathing substrate.

Gardner Impact Test EIMA 101.86 ASTM D 2794 25 to 200 in. lb. (2.8 - 22.6J) (depends on mesh weight).

Falling Ball Impact ASTM D 1037 92 to over 600 in. lb. (10.4 to greater than 67.8 J).

Tensile Bond Strength ASTM C 297 26 psi (179 kPa) to insulation board.

Creep Resistance of Adhesive ASTM D 2294 28 days: 208 psf (10 kPa) shear stress; no creep.

Flexural Strength ASTM C 203 60.6 psi (418 kPa).

Accelerated Weathering ASTM G23 2000 hours; no deleterious effect, ASTM G53 2000 hours; no deleterious effect.

Wind-Driven Rain F.S. TT-C-555B 24 hours; no penetration of water.

Water Penetration EIMA 101.01 ASTM E 331 Pass.

Freeze-Thaw Resistance ASTM C67, 60 cycles: no deterioration.

UBC Acceptance Criterion 10 cycles: pass.

Salt Fog Resistance ASTM B 117 500 hours; no deterioration.

Moisture Resistance ASTM D 2247 14 days; no deleterious effect.

Abrasion Resistance ASTM D968 500 liters: no deleterious effect.

Fungus Resistance MIL STD 810B 28 days: no growth.

Mildew Resistance ASTM D 3273 35 days: no growth.

** NOTE TO SPECIFIER ** Drainage plane systems. Delete if not required.

General: Exterior Insulation and Finish System (EIFS) - Class PB (Drainage Plane).

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIF Water Master with Dupont StuccoWrap System with cementitious base coat: An Exterior Insulation and Finish System (EIFS) consisting of Expanded Polystyrene Insulation (EPS) Board, Mechanical Fasteners, Vented Track, Cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer (Optional), and Finish Coat installed with Dupont StuccoWrap and flashing membrane to form a water-draining assembly.

System is qualified for combustible construction only.

** NOTE TO SPECIFIER ** Contact Parex Inc. for higher loads.

Its use is limited to walls with design negative wind load of 29 pounds per square foot or less.

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Water Master with House Wrap System with cementitious base coat: An exterior insulation and finish system (EIFS) consisting of channeled expanded polystyrene insulation (EPS) board, mechanical fasteners, vented track, cementitious base coat with embedded reinforcing fabric mesh, primer (optional), and finish coat installed with sheathing paper and flashing membrane to form a water-draining assembly.

System is qualified for combustible construction only.

** NOTE TO SPECIFIER ** Contact Parex Inc. for higher loads.

Its use is limited to walls with design negative wind load of 29 pounds per square foot or less.

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Water Master Commercial-VR System: An Exterior Insulation and Finish System (EIFS) consisting of Expanded Polystyrene Insulation (EPS) Board, Cementitious Adhesive, Cementitious or Non-cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer (Optional), and Finish Coat. This system is installed over a roll on weather barrier consisting of Parex KeyGuard and Parex Flashing Membrane applied over Georgia Pacific Dens Glass Gold Sheathing or cement board. Drainage is accomplished by means of channels formed by vertical ribbons of adhesive in back of the insulation board. The adhesive is applied to Parex KeyGuard weather barrier coating.

System is qualified for use on: non combustible construction, combustible non-residential construction, and fire resistance rated walls.

System is not qualified for use on wood-frame residential construction, including multi-unit.

Inclined surfaces shall follow guidelines listed below:

Minimum slope: 6 inches (152 mm) of vertical rise in 12 inches (305 mm) of horizontal run.

For sloped surfaces, run of slope shall be a maximum of 12 inches (305 mm).

Usage not meeting above criteria shall be approved in writing by Parex prior to installation.

** NOTE TO SPECIFIER ** Delete system if not required.

Parex EIFS Water Master Commercial - DB System with Cementitious Base Coat: An Exterior Insulation and Finish System (EIFS) consisting of channeled Expanded Polystyrene Insulation (EPS) Board, Non-cementitious Adhesive, Vented Track, Cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer (Optional), and Finish Coat. The system is installed over a secondary weather barrier consisting of Parex KeyCoat Liquid Membrane & Adhesive applied over Georgia Pacific Dens Glass Gold Sheathing to form a water draining assembly.

System is qualified for use on: non combustible construction, combustible non-residential construction, and fire resistance rated walls.

System is not qualified for use on wood-frame residential construction, including multi-unit.

Inclined surfaces shall follow guidelines listed below:

Minimum slope: 6 inches (152 mm) of vertical rise in 12 inches (305 mm) of horizontal run.

For sloped surfaces, run of slope shall be a maximum of 12 inches (305 mm).

Usage not meeting above criteria shall be approved in writing by Parex prior to installation.

Performance:

Impact Resistance Classification: System shall be classified in accordance with EIMA for EIFS classification and impact ranges as follows; standard impact resistance, 25-49 inch-lbs (2.8 - 5.6 J) Impact Range.

Surface Burning Characteristics of Coatings ASTM E 84 Flame Spread: 0 to 15, Smoke Developed: 0 to 15.

Drainage Efficiency ICBO ES AC 24 Pass: Efficiency > 90%.

Drying Potential Laboratory Method < 0.05 ounce of water per sq.ft. (15 g/m2).

Transverse Wind Load Resistance ASTM E 330 4X8 Wood Stud spaced 16 inches (406 mm) OC: Values vary by system. Refer to manufacturer literature.

Gardner Impact Test EIMA 101.86 ASTM D 2794 25 to 200 in. lb. (2.8 - 22.6J) (depends on mesh weight).

Accelerated Weathering ASTM G23 2000 hours; no deleterious effect, ASTM G53 2000 hours; no deleterious effect.

Wind-Driven Rain F.S. TT-C-555B 24 hours; no penetration of water.

Water Penetration EIMA 101.01 ASTM E 331 Pass.

Freeze-Thaw Resistance ASTM C67, 60 cycles: no deterioration.

ICBO ES AC 24 10 cycles: pass.

Salt Fog Resistance ASTM B 117 500 hours; no deterioration.

Moisture Resistance ASTM D 2247 14 days; no deleterious effect.

Abrasion Resistance ASTM D968 500 liters: no deleterious effect.

Fungus Resistance MIL STD 810B 28 days: no growth.

Mildew Resistance ASTM D 3273 35 days: no growth.

1.5

SUBMITTALS

Submit under provisions of Section 01300.

Product Data: Manufacturer's data sheets on each product to be used, including:

Test Reports: Submit, when requested, selected test reports by independent laboratories verifying performance of EIF System.

Applicator Certificate: Submit, when requested, a copy of applicator current certificate of education from the manufacturer.

Preparation instructions and recommendations.

Storage and handling requirements and recommendations.

Installation methods.

Shop Drawings:

** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.

Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.

Verification Sample: Submit verification samples of EIFS of size to represent each color and texture to be utilized on project. Each sample shall be made using same tools and techniques as required for actual application. Samples shall be available and maintained at job site.

1.6

QUALITY ASSURANCE

Manufacturer Qualifications:

EIFS Manufacturer shall have marketed Exterior Insulation and Finish Systems in United States for at least ten years.

Installer Qualifications:

EIFS Applicator shall have attended a Manufacturer's Educational Seminar for installation of the system. Shall possess a current certificate of education. Shall be experienced and competent in installation of plaster-like materials.

** 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.

Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.

Finish areas designated by Architect.

Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.

Refinish mock-up area as required to produce acceptable work.

1.7

DELIVERY, STORAGE, AND HANDLING

Store products in manufacturer's unopened packaging until ready for installation.

Store EIFS materials in a cool, dry location, out of sunlight, protected from weather and other harmful environment, and at a temperature above 40 degrees F (4 degrees C) and below 110 degrees F (43 degrees C) in accordance with manufacturer's instructions.

Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

1.8

PROJECT CONDITIONS

Environmental Conditions: In accordance with manufacturer's requirements.

Ambient air temperature: Minimum 40 degrees F (4 degrees C) and rising, and remain so for 24 hours thereafter.

Do not apply system materials to substrates whose temperature is below 40 degrees F (4 degrees C).

Do not apply system during inclement weather unless appropriate protection is employed.

Protect system materials from weather and other damage.

1.9

WARRANTY

** NOTE TO SPECIFIER ** Contact manufacturer for limited warranty available by system specified. Delete if not required.

PART 2

PRODUCTS

2.1

MANUFACTURERS

Acceptable Manufacturer: Parex, which is located at: 4125 E. La Palma Ave., Suite 250, Anaheim, CA 92807. Toll Free: 800-537-2739. Phone: 714-778-2266. Fax: 714-774-2079; Email: inform@parex.com; Web: www.parex.com

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

Substitutions: Not permitted.

Requests for substitutions will be considered in accordance with provisions of Section 01600.

2.2

EXTERIOR INSULATION AND FINISH SYSTEM (EIFS) - CLASS PB

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Standard System.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Nominal thickness shall be 1-1/2 inches (38 mm) minimum.

Insulation board shall be separated from the interior of the building by 1/2 inch (12.7 mm) gypsum board or equivalent approved 15 minute thermal barrier.

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Standard EXTRA System.

Secondary Weather Barrier:

Parex KeyCoat Liquid Membrane Adhesive or other Parex approved weather barrier.

Parex Sheathing Tape 396.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Minimum thickness shall be 3/4 inch (19 mm) minimum.

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Premium System.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Minimum thickness shall be 3/4 inch (19 mm) minimum.

Design negative windload shall not exceed 50 psf. (2394 Pa).

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Water Master with StuccoWrap System.

DuPont StuccoWrap: Vapor permeable air barrier and secondary weather resistive barrier that provides the drainage plane.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Nominal thickness shall be 1-1/2 inches (38 mm) minimum.

Insulation board shall be separated from the interior of the building by 1/2 inch (12.7 mm) gypsum board or equivalent approved 15 minute thermal barrier.

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation Finish System (EIFS) Water Master with House Wrap System.

House Wrap: Grade D vapor permeable, asphalt impregnated sheathing paper that provides the drainage plane.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Nominal thickness shall be 1-1/2 inches (38 mm) minimum.

Back of insulation board shall be configured with channels per Parex Water Master Design.

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Water Master Commercial-VR System.

Secondary Weather Barrier:

Parex KeyGuard 495 roll on weather barrier.

Parex KeyCoat Liquid Membrane Adhesive 395A: Vapor permeable trowel-applied flexible coating for Georgia Pacific Den Glass Gold or cement fiber sheathing to provide a secondary weather barrier.

Parex Sheathing Tape 396.

Parex DrainEdge 369.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Minimum thickness shall be 3/4 inch (19 mm).

Insulation board shall be separated from the interior of the building by 1/2 inch (12.7 mm) gypsum board or equivalent approved 15 minute thermal barrier.

Design negative windload shall not exceed 50 psf. (2394 Pa).

** NOTE TO SPECIFIER ** Delete system if not required.

System: Parex Exterior Insulation & Finish System (EIFS) Water Master Commercial-DB System.

Secondary Weather Barrier:

Parex KeyCoat Liquid Membrane Adhesive 395A: Vapor permeable trowel-applied flexible coating for Georgia Pacific Den Glass Gold or cement fiber sheathing to provide a secondary weather barrier.

Parex Sheathing Tape 396.

Mineral wool strips 4 pounds per cubic foot (60 kg/m3) actual density minimum, 4 inches (101 mm) wide; same thickness as the EPS.

Insulation Board:

Shall be produced by a manufacturer approved by Parex.

Shall conform to ASTM C-578, Type I and the Parex specification for Molded Expanded Polystyrene Insulation board.

Maximum size shall be 2 feet by 4 feet (610 mm by 1219 mm).

Minimum thickness shall be 3/4 inch (19 mm).

Back of insulation board shall be configured with channels per Parex Water Master Design.

Insulation board shall be separated from the interior of the building by 1/2 inch (12.7 mm) gypsum board or equivalent approved 15 minute thermal barrier.

Design negative windload shall not exceed 50 psf. (2394 Pa).

** NOTE TO SPECIFIER ** Components below are applicable to all PB systems.

System Materials:

Adhesive: Parex Base Coat & Adhesive 121, 121 Dry (cementitious) or Parex Sheathing Adhesive 303.

Parex Water Master Flashing Membrane 365: Self-sealing, non-woven mat-backed rubberized asphalt membrane, 30 mils (0.76 mm) thick.

Wind-Lock Fasteners: Non-thermal bridging polypropylene plastic plates and corrosion-resistant screws.

Parex Reinforcing Mesh:

** NOTE TO SPECIFIER ** Delete one of the two following paragraphs. Standard mesh is typical, six ounce mesh is premium option.

Standard Mesh 355: Weight 4.5 oz. per sq. yd. (153 g/m2); coated for protection against alkali. Standard reinforcement of Parex EIFS, or for use with High Impact 14 Mesh, or Ultra High Impact 20 Mesh.

Six Ounce Mesh 358.6: Weight 6 oz per sq. yd. (203 g/m2); Reinforcing mesh used with Parex EIFS Premium System as substitute for Mesh 355.

** NOTE TO SPECIFIER ** Retain the two following paragraphs with either mesh selected above.

Short Detail Mesh 356: Reinforcing mesh used for backwrapping and details.

Self Adhesive Detail Mesh 352: Reinforcing mesh used for complex details.

** NOTE TO SPECIFIER ** Delete two of the three following paragraphs if higher impact mesh is required at locations designated on the Drawings.

Intermediate Impact 10 Mesh 358.10: Weight 10 oz per sq. yd. (339 g/m2); Reinforcing mesh used with Parex EIFS Standard System, to achieve EIMA intermediate impact strength.

High Impact 14 Mesh 358.14: Weight 14 oz. per sq. yd. (474 g/m2); Reinforcing mesh used with Parex EIFS Standard System; to achieve EIMA high impact strength.

Ultra High Impact 20 Mesh 358.20: Weight 20 Oz. per sq.yd. (678 g/m2); Reinforcing mesh used with Parex Standard Mesh 353 to achieve EIMA Ultra high impact strength; includes use of Corner Mesh 357 used as corner reinforcement.

** NOTE TO SPECIFIER ** Coordinate below with project requirements. Delete if not required.

Mesh Reinforcement: Locations to achieve impact strength shall be as follows:

Locations (Not Otherwise Noted): EIMA Impact Classification: Standard.

** NOTE TO SPECIFIER ** Retain below and specify locations to receive EIFS with higher than standard impact resistance classification.

Locations: _______________; EIMA Impact Classification: __________

Primers:

Primer 310: 100 percent acrylic based coating to prepare surfaces for Parex finishes.

Sanded Primer 313: 100 percent acrylic based coating to prepare surface for Parex Cerastone finish.

Parex Seal Tape 360: Self adhering pre-compressed expanding tape for forming a weather seal.

Sealant for expansion joints shall be ultra-low modulus designed for minimum 100 percent elongation and minimum 50 percent compression and as selected by Architect.

Sealant for perimeter seals around window and door frames and other wall penetrations shall be low modulus, designed for minimum 50 percent elongation and minimum 25 percent compression, and as selected by Architect.

10.

Sealants shall conform to ASTM C 920, Grade NS.

11.

Water: Clean, potable water.

12.

Portland Cement: ASTM C 150, Type I.

** NOTE TO SPECIFIER ** Consult with Parex and coordinate installation of tracks, seal tape and backwrapping with requirements for project conditions.

13.

Parex Vinyl Track: PVC plastic accessory used for termination of Parex EIFS in lieu of back wrapping; provides straight termination and joint lines; facilitate sealant maintenance; Vented Track 363 with vent holes for drainage and perforated front flange to key base coat, as required for EIFS.

14.

Base Coat:

** NOTE TO SPECIFIER ** Delete base coat not reuired.

Cementitious Base Coat 121: 100 percent acrylic polymer base, requiring the addition of Portland cement.

Cementitious Base Coat 121 Dry: Copolymer based, factory blend of cement and proprietary ingredients.

Acrylic Base Coat -N1 Base Coat and Adhesive 302: 100 percent acrylic polymer base; ready to use, applied without the addition of cement.

15.

Parex Finish Coat: Factory blended, 100 percent acrylic polymer based acrylic finish, integrally colored.

** NOTE TO SPECIFIER ** Specify below types from manufacturer's texture finishes and colors. Refer to Parex product binder, for finish type, texture, and color selection availability.

16.

Type: ___________________________

17.

Texture: _________________________

18.

Color: ___________________________

2.3

RELATED MATERIALS

Sheathing:

Gypsum Sheathing shall conform to ASTM C 79 or Fiber-Faced Gypsum Sheathing shall conform to ASTM C 1177.

Cement Fiber Sheathing conforming to ASTM C 1186.

Plywood shall be not less than 7/16 inch (11 mm) thick, minimum 4-ply APA-Engineered Wood Association Exposure 1 or Exterior Grade, C-D or better.

** NOTE TO SPECIFIER ** The Stucco Wrap and House Wrap Systems only are qualified for application to OSB (oriented strand board) sheathing. Delete if not required.

Oriented Structural Board (OSB) shall be Exposure 1; Thickness shall be not less than 7/16 inch (11.1 mm).

For wood-based sheathing , comply with APA-Engineered Wood Association spacing recommendations of 1/8 inch (3.2 mm) for edge and end joints of plywood.

Sheathing shall be protected from weather before, during, and after application of EIFS.

Flashing: Refer to Section 07620 for flashing materials.

PART 3

EXECUTION

3.1

EXAMINATION

Do not begin installation until substrates have been properly prepared.

Prior to installation of system, examine substrate as follows:

Substrate shall be of a type approved by EIFS manufacturer.

Substrate shall be examined for soundness, such as tightness of connections, crumbling or looseness of surface, voids and projections, spacing of panels, and other conditions.

Substrate shall be examined for dimensional tolerances specified.

Correction of unsatisfactory conditions of substrates installed shall be completed before EIFS installation begins.

If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2

PREPARATION

Protection: Protect surrounding material surfaces and areas during installation of system.

Clean surfaces thoroughly prior to installation.

Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

3.3

SYSTEM INSTALLATION REQUIREMENTS

Substrate Requirements:

Substrate shall be engineered to withstand applicable design loads including required safety factor.

Maximum deflection of substrate system under positive or negative design loads shall not exceed 1/240 of span except as otherwise approved in writing by manufacturer prior to installation.

Substrate Dimensional Tolerances: Flat within 1/4 inch (6.4 mm) within any 4 foot (1219 mm) radius.

Surface irregularities: Sheathing not over 1/8 inch (3 mm); masonry not over 3/16 inch (4.8 mm).

Install in accordance with manufacturer's instructions.

Flashing membrane shall be installed in rough openings before windows, doors, etc.

Flashings that are counter-flashed by EIFS shall be installed before the EIFS. Such flashings include "kick-outs", deck flashings, etc.

All penetrations and terminations of the system shall be made weather-tight, typically by sealants and/or flashings.

Weeps of vented track and flashings shall not be blocked.

Insulation Board: At system termination, completely encapsulate insulation board edges by mesh reinforced base coat, substrate, or track at lower edges of the system, terminate with vented track. The use of and maximum thickness of insulation board shall be in accordance with applicable building codes and manufacturer's requirements.

Flashing shall be continuous and watertight. Flashing shall be designed and installed to prevent water infiltration behind the drainage plane component.

Expansion Joints: Continuous expansion joints shall be installed at the following locations:

At building expansion joints.

At substrate expansion joints.

At floor lines in wood frame construction.

Where system panels abut one another.

Where system abuts other materials.

Where significant structural movement occurs, including but not limited to:

Changes in roof line.

Changes in building shape and/or structural system.

Where substrate changes.

Substrate movement, expansion and contraction of system and adjacent materials shall be taken into account in construction of expansion joints, with proper consideration given to sealant properties, installation conditions, temperature range, coefficients of expansion of materials, joint width to depth ratios, and other material factors. Minimum width of expansion joints shall be as follows:

1/2 inch (12.7 mm) where EIFS abuts other materials.

3/4 inch (19 mm) when EIFS abuts the EIFS.

3.4

SYSTEM COMPONENT INSTALLATION

Install Flashing Membrane, making all laps weatherboard fashion to provide continuity of water shedding.

Install tracks, back-wrap mesh, or edge-wrap mesh at system terminations.

Install Wind-Lock Fasteners to secure insulation board to the wall.

Rasp irregularities off insulation board.

Apply base coat and fully embed mesh in base coat; include diagonal mesh patches at corners of openings and reinforcing mesh patches at joints of track sections. Apply multiple layers of base coat and mesh where required for specified impact resistance classification.

Apply primer to base coat after drying. Primer may be omitted if it is not required by the manufacturer's primer and base coat product data sheets for the specified finish coat.

Finish Coat: Apply finish coat to match specified finish type, texture, and color. Apply finish except at base coat areas to receive sealant.

Install sealant in accordance with manufacturer's details and instructions. Apply sealant to base coat.

3.5

PROTECTION

Protect installed products until completion of project.

Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION