How to repair a failed silicone sealant joint without silicone?
Usually you can use 2 ways to repair a failed silicone sealant joint. Since polyurethanes will not develop adhesion to cured silicones, the existing silicone sealant would need to be fully removed. 1.Use some mechanical abrasion to remove as much of the existing sealant as possible, when the joint is located within a porous […]