Basic Use: TUNDRA FOAM is an ideal non-gassing backup material which is inserted into construction and pavement joints to control sealant and caulking depth, create a backstop to allow proper sealant tooling & configuration, allow proper sealant airing and yield proper bond breaker . Perfect for non-uniform joint sizes. Specific Uses: Commonly used in expansion and contraction joints, window glazing, curtain wall construction partitions, precast assemblies and copings, parking decks, bridge construction etc. Compatability: TUNDRA FOAM is basically an inert material and therefore compatible both physically and chemically with virtually all known hot pour and cold applied sealants including silicone and rubber asphalt. Composition and Material: TUNDRA FOAM is a fabricated round, open cell polyurethane foam material. It is highly flexible and compressible for easy application. Available in a black (ebony) color and in a wide variety of sizes capable of fitting a number of differing joint sizes. (SEE TABLE I).
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