BASF introduces B2Last-R modified asphalt solution to the ...
2021-8-9 · BASF has introduced B2Last-R liquid asphalt modifier to the North American roofing systems market. This modified asphalt solution helps roofing systems last longer, improves operational efficiencies and is compatible with most liquid asphalts. B2Last-R is ideal for asphalt shingles on sloped roofs, self-adherent underlayment and flat, built-up roofing.
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