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photo of FlexBase 80/120 Fiberglass reinforced, SBS modified bitumen base sheet

FlexBase® 80

Fiberglass reinforced, SBS modified bitumen base sheet used as the initial ply of a BUR or modified bitumen roofing system.

Its dual layers of fiberglass reinforcement sandwiched by SBS rubber provides superior strength and puncture and fatigue resistance. Its advanced rubber technology also provides increased thermal shock resistance, UV protection, heat resistance, elongation, and low-temperature flexibility, creating a high-performance roofing system.


Product Advantages


Technical Data

  FlexBase 80
*Tensile Strength MD 225 lbf./in. (39 kN/m)
XD 225 lbf./in. (39 kN/m)
Width 3 ft. 3 in. (1 m)
Length 34 ft. 8 in. (10.57 m)
Weight 70 lbs. (31.75 kg)
Nominal Thickness 80 mils (2,032 microns)
Net Coverage 100 sq. ft. (9.29 m2)

*Test Method ASTM D 5147 is tested at 2 in./min. @ 73.4 ± 3.6°F
(50 mm/min. @ 23 ± 2°C)

Packaging

25 rolls/pallet (FlexBase 80)


Approvals that apply to this product

FM Approved logo Miami-Dade County approved logo Intertek Warnock Hersey logo


Certification/Validation

LEED graphic
FlexBase 80 UL Logo  

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