This sealant is called pro flex for a reason. Not only is it super strong and durable, but it also is flexible! It expands and contracts with the weather changes and won't crack or discolor due to it's UV resistant finish. This sealant is 10 ounces in size. It also allows you to paint over and is bright white. Get the best adhesion for your RV!
Replaces old sku# cst-28429