Fire Stop Silicone Sealant is classified for sealing noncombustible penetrations and construction joints in horizontal and vertical fire separations. Its elastomeric qualities make it ideal for sealing joints, and it is capable of 25% movement in a fire-rated joint, the company says. It meets ASTM E-814/UL 1479 and UL 2079 for noncombustible penetrations. The product comes in limestone gray and new brick red in a 10.1-ounce cartridge.
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