Pactiv Building Products
2100 RiverEdge Parkway
Suite 175
Atlanta, GA 30328
Toll Free: (800) 241-4402
Web Site: www.green-guard.com
Specifier Notes: This product guide specification is written according to the Construction Specifications Institute (CSI) 3-
Part Format, including MasterFormat, SectionFormat, and PageFormat, contained in the CSI Manual of Practice.
The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code. Coordinate this section with other specification sections and the drawings.
Delete all “Specifier Notes” when editing this section.
Specifier Notes: This section covers Pactiv Building Products GreenGuard ® “PLYGOOD ® Ultra” exterior nonstructural insulating sheathing. The sheathing is an extruded polystyrene rigid foam insulation board sandwiched between a plastic film facer and a polyolefin reinforcing scrim. The sheathing can be installed with a staple gun vertically on exterior walls and horizontally across gable end walls.
Consult Pactiv Building Products for assistance in editing this section for the specific application.
1.1
1.2
SECTION INCLUDES
A. Extruded non-structural insulating sheathing.
RELATED SECTIONS
Specifier Notes: Edit the following list of related sections as required for the project. List other sections with work directly related to this section.
A. Section 07260 - Vapor Retarders.
B. Section 07270 - Air Barriers.
REFERENCES 1.3
Specifier Notes: List standards referenced in this section, complete with designations and titles. This article does not require compliance with standards, but is merely a listing of those used.
A. ASTM C 272 - Water Absorption of Core Materials for Structural Sandwich Constructions.
B. ASTM C 518 - Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus.
C. ASTM D 1621 - Compressive Properties of Rigid Cellular Plastics.
D. ASTM E 84 - Surface Burning Characteristics of Building Materials.
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1.4
E. ASTM E 96 - Water Vapor Transmission of Materials.
F.
UL 723 - Surface Burning Characteristics of Building Materials.
SUBMITTALS
A. Comply with Section 01330 - Submittal Procedures.
B. Product Data: Submit manufacturer’s product data, including installation instructions.
C. Samples: Submit manufacturer’s samples of sheathing.
D. Manufacturer’s Certification: Submit manufacturer’s certification that materials comply with specified requirements and regulatory requirements and are suitable for intended application.
1.5
QUALITY ASSURANCE
A.
Regulatory Requirements: Provide sheathing described in following reports.
1. ICC-ES Evaluation Report ESR-2136.
2. UL Classification Certificate A184.
3. California Bureau of Home Furnishings License No. TB 1334.
4. Minnesota Department of Energy, Chapter 7640.
1.6
DELIVERY, STORAGE, AND HANDLING
A.
Delivery: Deliver materials to site in manufacturer’s original, unopened containers and packaging, with labels clearly identifying product name and manufacturer.
B.
Storage: Store materials in clean, dry area in accordance with manufacturer’s instructions. Protect from prolonged exposure to direct sunlight. Do not expose to flame or other ignition sources.
C.
Handling: Protect materials from damage during handling and installation.
1.7
ENVIRONMENTAL REQUIREMENTS
A.
Do not install materials in wet weather or when rain is imminent.
B.
Do not install materials over surfaces that are frozen or contain frost.
PART 2 PRODUCTS
2.1
MANUFACTURER
A.
Pactiv Building Products, 2100 RiverEdge Parkway, Suite 175, Atlanta, Georgia 30328. Toll Free (800)
241-4402. Web Site www.green-guard.com.
2.2
MATERIALS
A.
Non-Structural Insulating Sheathing: GreenGuard ® PLYGOOD ® Ultra.
1. Description: Square-edge, non-structural insulating sheathing for use under exterior finish materials.
2. Material: Extruded polystyrene rigid foam insulation board sandwiched between plastic film facer and polyolefin reinforcing scrim.
Specifier Notes: Specify the required sheathing thickness.
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3. Thickness: [3/8 inch (10 mm)] [7/16 inch (11 mm)].
Specifier Notes: Specify the thermal resistance. Sheathing thickness of 3/8 inch (10 mm) has a thermal resistance of 1.5 degrees F-ft 2 -hr/Btu (0.26 K-m 2 /W). Sheathing thickness of 7/16 inch (11 mm) has a thermal resistance of 1.8 degrees F-ft 2 -hr/Btu (0.32 K-m 2 /W).
4. Thermal Resistance, R-Value, 75 Degrees F Mean Temperature, ASTM C 518: [1.5 degrees F-ft 2 hr/Btu (0.26 K-m 2 /W)] [1.8 degrees F-ft 2 -hr/Btu (0.32 K-m 2 /W)].
5. Wind Design Load, HUD Manufactured Home Standards Program Section 3280.207: a. Non-Corner: 135 psf (6.5 kPa), 95 psf (4.5 kPa) minimum.
b. Corner: 150 psf (7.2 kPa), 120 psf (5.7 kPa) minimum.
6. Water Vapor Transmission Rate, ASTM E 96, Procedure A: >1.0 perm (>57 ng/Pa-s-m 2 ).
7. Water Absorption, ASTM C 272: a. Maximum: 2.0 percent by volume.
8. Fire Characteristics, ASTM E 84, UL 723: a. Flame Spread: 10.
b. Smoke Developed: 45 to 140.
9. Weight: 93 pounds per 1,000 square feet (454 kg/m 2 ).
10. Maximum Recommended Use Temperature: 165 degrees F (74 degrees C).
2.3
ACCESSORIES
A.
Fasteners: Type and size in accordance with manufacturer’s instructions.
B.
Sheathing Tape: GreenGuard ® Standard and Custom Contractor Tapes.
PART 3 EXECUTION
3.1
EXAMINATION
A.
Examine areas to receive sheathing. Notify Architect of conditions that would adversely affect installation.
Do not proceed with installation until unsatisfactory conditions are corrected.
Specifier Notes: GreenGuard PLYGOOD Ultra has been evaluated for compliance with the ICC-ES “Acceptance
Criteria for Foam Plastic Panels Used as a Weather-resistive Barrier” (AC71). As a result, these products may be used without an additional weather-resistive barrier (housewrap or felt building paper) when they are installed in strict accordance with Pactiv’s “Installation Instructions For GreenGuard PLYGOOD Ultra Used as a Water/Weather-resistive Barrier (WRB)”. Contact Pactiv Building Products for more information.
3.2
INSTALLATION - VERTICAL
A.
Install sheathing vertically on exterior walls in accordance with manufacturer’s instructions.
B.
Start at 1 end of wall and align bottom edge of sheathing with bottom edge of sill plate. Align vertical edge of sheathing with corner stud.
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C.
Fasten sheathing using one of the following methods:
1. Staples: Use staples 1 inch by 1-1/4 inches by 16 gauge (25 mm by 32 mm by 16 gauge). Attach sheathing starting at bottom edge of board. Space staples 3 to 6 inches (76 to 150 mm) apart along bottom edge of board and on studs.
2. Staples: Use staples 7/16 inch by 1-1/2 inches by 16 gauge (11 mm by 38 mm by 16 gauge). Attach sheathing starting at bottom edge of board. Space staples 3 inches (76 mm) apart along bottom edge of board and on studs.
3. Plastic Cap Nails: Use plastic cap nails minimum 2 inches (51 mm) long with 1 inch (25 mm) diameter cap. Attach nails starting at bottom of board. Space nails 12 inches (305 mm) on center around perimeter and 16 inches (406 mm) on center at intermediate framing members.
D.
Install subsequent courses of sheathing by butting vertical edges of adjacent sheets together and fastening.
E.
Cut door and window openings and other necessary penetration areas.
F.
Tape fractures in sheathing with sheathing tape.
3.3
INSTALLATION - HORIZONTAL
A.
Install sheathing horizontally at attic gable end walls in accordance with manufacturer’s instructions.
B.
Align sheathing horizontally with edge butted up against top edges of vertically installed sheets of sheathing on exterior wall.
C.
Fasten sheathing using one of the following methods:
1. Staples: Use staples 1 inch by 1-1/4 inches by 16 gauge (25 mm by 32 mm by 16 gauge). Attach sheathing starting at bottom edge of board. Space staples 3 to 6 inches (76 to 150 mm) apart along bottom edge of board and on studs.
2. Staples: Use staples 7/16 inch by 1-1/2 inches by 16 gauge (11 mm by 38 mm by 16 gauge).
Attach sheathing starting at bottom edge of board. Space staples 3 inches (76 mm) apart along bottom edge of board and on studs.
3. Plastic Cap Nails: Use plastic cap nails minimum 2 inches (51 mm) long with 1 inch (25 mm) diameter cap. Attach nails starting at bottom of board. See Section 3.2 C.3.
D.
Tape horizontal seams with sheathing tape.
E.
Cut door and window openings and other necessary penetration areas.
F.
Tape fractures in sheathing with sheathing tape.
3.4
PROTECTION
A.
Protect installed sheathing from damage until covered by exterior wall material.
END OF SECTION
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