Open Cell Polyurethane Backer Rod for Hot and
Cold Sealant Applications.
Open Cell Backer Rod "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 and configuration,
allow proper sealant airing and yield a proper bond breaker. It is ideal for non-uniform joint sizes
Open Cell Backer Rod "Tundra Foam" commonly used in expansion and contraction joints, window glazing, curtain wall construction partitions, precast assemblies and copings, parking decks, bridge construction etc.
For hot pour where out-gassing and bubbling is a problem, or where quicker
curing is needed.
Open Cell Backer Rod "Tundra Foam" will resist oil, gasoline and most solvents. This material is odorless, will not stain and
will not adversely adhere to sealant and caulking material.
Tundra Foam Open Cell Backer Rod is made of a basically inert material. It is compatible both chemically and physically with
virtually all known hot pour and cold applied sealants, including silicone and rubber asphalt.
Feet per bag: 500 ft
Joint Width: 5/16" - 7/16"