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Rain Buster 500 Urethane Caulking 10.1 OZ Tube – Gray


RainBuster 500 Polyurethane Sealant/Adhesive provides exceptional value and proven leak-free solutions. It performs well where most challenges occur, where inadequately sealed moving joints result in costly leaks and damage. RainBuster 500 stays bonded to joint walls and flexes to withstand movement caused by thermal expansion and contraction, seismic activity, and other displacement. RainBuster 500 an ideal choice for a variety of waterproofing applications.


RainBuster 500’s technologically advanced polyurethane formulation provides a high strength, durable, air and watertight seal. Its ultra-flexible properties enable it to withstand extreme movement caused by repeated expansion and contraction and seismic activity. RainBuster 500 is UV resistant and unaffected by extremes in weather. RainBuster 500 is an AAMA Verified Window Component.

RainBuster 500 is permanently flexible and aggressively bonds to a wide range of construction surfaces including wood, vinyl, fiberglass, metals, plastics, masonry, stucco, brick, concrete, fiber cement board, flashings, lath foam and house wrap. RainBuster 500 is recommended for OEM, fabrication, window installation, sealing sheet metal joints, sealing lath penetrations, sealing seams in siding and trim applications, sealing concrete joints, roofing, and general use applications. RainBuster 500 is backed by an industry leading lifetime warranty.

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