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SBS Roofing Systems

DynaWeld™ PR 3.0 P/P

DynaWeld™ PR 3.0 P/P is a polyester reinforced SBS modified bitumen flashing base sheet. It incorporates the features of a tough, 180 g/m2 nonwoven polyester mat that is saturated and coated with a blend of SBS rubber and high quality asphalt. The elastomeric asphalt blend has full recovery properties after 100% elongation and lends a high degree of elasticity and flexibility to the sheet. The polyester mat provides excellent tensile strength, toughness, puncture resistance and can accommodate stresses created by typical roof top expansion and contraction forces. Both sides of the sheet have a poly burn-off film for ease of heat welding.