Johns Manville Roofing Systems -DynaFast 250 HW - SBS Roofing Systems

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DynaFast 250 HW is a heat-weldable base or ply sheet for use in mechanically fastened systems.


Category: commercial roofing | membrane roofing | roll roofing...

MasterFormat: Membrane Roofing | Modified Bituminous Membrane Roofing | Styrene-Butadiene-Styrene Modified Bituminous Membrane Roofing...



Johns Manville Roofing Systems
717 17th Street
Denver, CO 80217
Tel: (303) 978-2000

sweetsinfo@jm.com

https://www.jm.com

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DynaFast 250 HW - SBS Roofing Systems

DynaFast 250 HW is a heat-weldable base or ply sheet for use in mechanically fastened systems.

Meets the requirements of ASTM D 6164, Type II, Grade S

DynaFast 250 HW is a heat-weldable base or ply sheet for use in mechanically fastened systems.

High-Quality SBS Rubber and Asphalt Blend: Lends elasticity and flexibility to the sheet. The elongation and recovery properties allow the product to easily accommodate the continual expansion and contraction experienced on all roofs.

Heavy Duty Polyester-Reinforcement Mat: Provides excellent tensile strength, toughness, and puncture resistance and can accommodate stresses created by typical roof top expansion and contraction forces.

Polyolefin Burn-Off Film: Promotes ease of heat welding.


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