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PB6 Roofing Cover Board

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.

Typical Physical Properties
Product Type*
Test MethodPB6
Thermal Resistance, R-Value¹
(ºF-ft²-h/Btu)¹		ASTM C 518
(@ 75ºF Mean Temperature)		1.5
Water Vapor Permeance         
(perm)		ASTM E 96                     
Desiccant Method		0.06
Water Absorption                   
(Max.% by Volume)		ASTM C 2720.6
Compressive Strength                             
(psi @ 10% Deflection)		ASTM D 162115
Fire Characteristics²               
Flame Spread                       
Smoke Developed		ASTM E 84/UL 72310
45-140
Max Recommended
Use Temp (ºF)
200
Weight                                  
(lbs./1,000 sq.ft.)		 92


Dimensions / Packaging
Thickness (Nominal)3/8"
Bundle Dimensions4' x 50'
Square Feet/Bundle200
Bundles/Pallet30
Square Feet/Pallet6000



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Commercial Applications

Commercial Products

The best tools for moisture-resistant and energy-efficient structures.

When your design requires insulation on the exterior of the walls, the foundation, or the slab, you’ll find a GreenGuard extruded polystyrene (XPS) insulation board to meet every need. When an air barrier is specified for protection from air and moisture, you are sure to find a GreenGuard building wrap that is a perfect fit for the application. Our commercial line also includes butyl flashing, waterproofing protection board, and roofing recovery board to meet your full range of project requirements. Plus GreenGuard is green beyond the color. Our XPS boards contain up to 30% post-industrial recycled materials. And our products contribute to your LEED qualification with points for Energy and Atmosphere, Materials and Resources, and Indoor Environmental Quality. Let GreenGuard provide the products you need to accomplish your design and construction goals.

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