GreenGuard PB6 Roofing Cover Board


For use with mechanically-fastened and ballasted EPDM and TPO single-ply roof membranes.

When you need to re-roof, nothing works better as a cover board than GreenGuard PB6. With an extruded polystyrene (XPS) core and high-impact polystyrene facers that do no delaminate, this board provides high moisture resistance and resistance to puncture. The 50 ft. fanfold bundles are light weight and easy to install, adding only 1/10 lb. per square foot. The result is a smooth surface, even over most gravel-surfaced roofs.

Product Information

Product Type Test Method PB6
Thermal Resistance, R-Value1
ASTM C 518
(@ 75ºF Mean Temperature)
Water Vapor Transmission Rate
Desiccant Method
Water Absorption
(% by Volume)
ASTM C 272 0.6
Compressive Strength
(psi @ 10% Deflection)
ASTM D 1621 15
Fire Characteristics2
Flame Spread
Smoke Developed
ASTM E 84/ UL 723 10
Max Recommended
Use Temp (ºF)
(lbs./1,000 sq.ft.)
Thickness (Nominal) 3/8"
Bundle Dimensions 4' x 50'
Square Feet/Bundle 200
Bundles/Pallet 30
Square Feet/Pallet 6000
GreenGuard PB6 Roofing Cover Board_Product Sheet_US_CA_IMG

GreenGuard PB6 Roofing Cover Board Brochure

GreenGuard Roofing Cover Board Installation Guide

GreenGuard Roofing Cover Board Installation Guide

CCMC 12722-L

Canada - Evaluation Listing CCMC 12722-L - XPS Insulation Board

GreenGuard Siding Underlayment, Sheathing & Roofing Cover Board Safety Data Sheet

GreenGuard Siding Underlayment, Sheathing & Roofing Cover Board Safety Data Sheet

GreenGuard Roofing Cover Board_20 Year Limited Thermal Warranty_US_CA_IMG

GreenGuard Roofing Cover Board 20 Year Limited Thermal Warranty


GreenGuard Roofing Cover Board Contribution to LEED Credits

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Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia



Call: +1(800) 241 4402

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