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SBS Roofing Systems

DynaBase® PR

DynaBase® PR is a modified bitumen sheet incorporating the features of a polyester mat with a blend of SBS rubber and high quality asphalt. DynaBase PR is used in multi-ply modified bitumen membranes. It may be used as the base ply when installed over a JM Roofing Systems insulation. It may also be used as a base/ply sheet over insulated systems employing a traditional fiber glass ply felt or over nailable substrates with or without a standard fiber glass base felt, such as GlasBase.