CRL 5/8" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black window frame perimeters

window frame perimeters

flexible plastic formula that won’t scratch adjoining glass or metal and makes them easy to clean

Can also be used to measure the approximate solar heat gain co-efficient value for windows

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CRL 5/8" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black window frame perimetersCompatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants UV Stabilized CRL Thermoplastic Rubber (TPR) Setting Blocks are compatible with almost anything, meaning you can use them in designs calling for the use of modern structural glazing sealants. They are formed of a 90 durometer shore hardness thermoplastic rubber that performs as well as traditional neoprene setting blocks. They are available in the most popular sizes of neoprene