FAQ | Product & Materials

Can I apply new silicone atop, or alongside old silicone caulk?

It is recommended that any old silicone is removed. While new, freshly applied silicone can be applied & will bond to old silicone – the bond isn’t as strong as if it were applied to a clean surface.

Please visit Phelps Silicone Sealant page for more details

Back to Top