Description
DAP Sound Block E90 Professional Grade Latex Sealant is specifically designed to reduce sound transmission and improve STC ratings in all types of wall and floor systems where a sound rated assembly is required. It is also an effective Fire and Smoke Blocking sealant and has been tested per ASTM E84 for flams spread and smoke generation. DAP Sound Block E90 passes low temperature flexibility after weathering with no cracking or adhesion loss (ASTM C734). It stays flexible and will not become hard or brittle with age.
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