Silicone Adhesive

Don’t forget your tube(s) of glass block silicone when you’re figuring out your list of supplies for your project. The glass block sealant comes in a 10.3-fluid-ounce tube, and is specially formulated for use with glass block. Ensure a good joint seat and weather seal. This product has a non-corrosive cure clear silicone formula that resists UV rays and mildew.