CRL 3/16" x 7/8" x 2" Neoprene Setting Blocks - 80 Durometer Putty Knives & Caulking Spatulas It also works well with

It also works well with plastic

Sika®: SikaSil®-GP

Backer Rod is typically used in expansion/control joints where cold-applied sealants are used

painted surfaces

CRL 3/16" x 7/8" x 2" Neoprene Setting Blocks - 80 Durometer Putty Knives & Caulking Spatulas It also works well withThe Preferred Method for Centering and Cushioning Glass 80 Durometer Hardness A variety of sizes are available from stock CRL Neoprene Setting Blocks cushion and support glass, and act as a centering device for glass installed in channels. The neoprene composition of the blocks makes them resilient, so that glass cushioned by them can withstand vibration, shock, and heavy wind loads. A variety of sizes are available from stock. NOTE: May discolor