CRL 3/16" x 7/8" x 2" Neoprene Setting Blocks - 80 Durometer Mirror Cleaners *DO NOT use a circular

*DO NOT use a circular motion

It eliminates potential sealant failures due to out gassing that occurs when the "skin" of closed cell backer rod is punctured

and also measures the thickness of the laminate inner-layer

such as being able to use this meter on either side of the glass

DO NOT mix on cardboard

CRL 3/16" x 7/8" x 2" Neoprene Setting Blocks - 80 Durometer Mirror Cleaners *DO NOT use a circularThe 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