Galvanized metal, aluminum flashing, vent pipes, skylights, gutters, downspouts, ductwork, chimneys, glue down shingles and roof tiles (cedar shake, asphalt, cement, slate, and glazed tile), roof jacks, cables, air conditioning units, metal RV roof
Through the Roof! + Cobra Resources & How To Info
Downloadable Resources
Talk with a real human!
We’re here to help see your project through to the end.
Not sure which sealant, caulk, or other product is right for your job? Looking for the nearest location to buy products for your next home project? Don’t know exactly how to tackle your repair? We’re here to help.
Call to talk with one of our caulking specialists:
800-767-5656Common Questions From Our Network of Pros
It’s a synthetic copolymer rubber
No. We hate silicone.
You don’t. That’s kinda the point. But if you are unfortunate enough to have to get it off, try a solvent-based caulk remover, a putty knife, and good-old fashioned elbow grease.
It can be applied to active leaks as it will displace the water. We have not done rigorous 30 day submersion testing, but we do hear of folks using it successfully for swimming pools, boats, kayaks, etc.
We don’t recommend it. Try a test patch to see if you are happy with the adhesion.
Use clear glass cleaner, water with a little soap, or mineral spirits on the bead/on your finger. If you’re applying large amounts, you may want to check out our Cobra Nozzle which lays down a neat bead with no tooling required afterward.