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PB6W Roofing Cover Board

PB6W Roofing Cover Board

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

PB6W is an excellent choice for re-roofing with mechanically attached single-ply membranes. The board’s high compressive strength helps to create a smooth surface, even over most gravel surfaced roofs. And the extruded polystyrene (XPS) foam core provides high moisture resistance. PB6W can be used under mechanically attached or loose-laid and ballasted single-ply applications. It is both UL and FM approved. The 50' fanfold bundles are easy to install and lightweight, adding only 1/10 lb. per sq. ft. With 3 lb. density foam and 3-ply facers that do not delaminate, PB6W delivers solid installed performance.

Typical Physical Properties
Property
Test MethodPB6WPB6 PLUS
Thermal Resistance, R-Value1
(ºF-ft²-h/Btu)		ASTM C 518
(@ 75ºF Mean Temperature)		1.51.5
Compressive Strength                             
(min psi @ 10% Deflection)		ASTM D 16211520
Water Absorption                   
(Max.% by Volume)		ASTM C 2720.60.6
Water Vapor Permeance         
(perm)		ASTM E 96                     
Desiccant Method		0.060.06
Fire Characteristics2             
Flame Spread                       
Smoke Developed		ASTM E 84/UL 723
10
45-140
15
40
Weight                                  
(lbs./1,000 ft.2)
105111
Max Recommended
Use Temp (ºF)

200200


Dimensions / Packaging

PBW6PBW6 PLUS
Thickness (Nominal)3/8"3/8"
Bundle Dimensions4' x 50'4' x 50'
Square Feet/Bundle200200
Bundles/Pallet3030
Square Feet/Pallet60006000


1 Specimens were aged and tested in accordance with FTC Rule (16 CFR, Part 460).

2 These numerical flame spread and smoke ratings are not intended to reflect hazards presented by this material under actual fire conditions. See UL Classification Certificate A184.


Disclaimer

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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