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Ideal for use as a gasket under trim and rail pieces on RVs, the butyl tape installs quickly and makes sure there are no gaps in the seal. Features a non-drying compound that has excellent resistance to water, weather, and air intrusion. Well-suited for weatherproofing in marine and RV assemblies, roof seam sealing, construction of curtain wall panels, and duct sealing. Applicable in temperatures from -5° to 120°F.