Denver Foam® is an open cell polyurethane backer rod serving as a backing for elastomeric and other applied caulking sealants. Denver Foam® controls the amount of sealant required and depth of the installation. Also, it forms the correct hour glass shape of sealant, assuring the contractor and owner the best adhesion and cohesion configuration possible. Denver Foam® can withstand the temperature of hot pour sealant in maintenance work.
Odorless; will not stain
Chemically inert and resists oil, gasoline and most solvents
Open cell backer rod allowing air to reach both sides of sealant, assuring you the required complete cure
Eliminates out-gassing & cold flow problem associated with closed cell polyethlyene Backer Rods