XtraBond 150 RTV Silicone Sealant


XtraBond®150 RTV Silicone Caulk is a industry standard, permanently flexible, one component, mildew-resistant, RTV (Room Temperature Vulcanizing) silicone sealant. The XB150 caulk's tough chemical resistance makes it a worry-free solution for a wide range of applications including general construction, kitchen & bath, transportation, and industrial.

This RTV Silicone Caulk provides excellent adhesion to cultured marble, tile, glass, vinyl, aluminum, and sheet metal without the need for a primer. It cures rapidly when exposed to atmospheric moisture, forming a durable tight bond that contractors and installers rely on.

*The use of adhesives or sealants on natural stone products could cause surface ghosting.

Only $3.85/ea in case quantity
*Ships from Ohio Warehouse only
ColorQtySite PriceQty
Whitesingle tube$3.95
Whitecase of 24$92.40
Blacksingle tube$3.95
Blackcase of 24$92.40
Aluminum Stonesingle tube$3.95
Aluminum Stonecase of 24$92.40

RTV Silicone Sealant Properties

Skin Time
15 minutes

Tack Free Time
20 minutes

Cure Rate
1/4” Bead per 24 Hrs


Elongation @ Break

Shore A
20 +/- 5

Movement Capability

UV Resistance

Service Temperature
-40deg. F to 450deg. F