Then continue to apply sealant along all seams of the two joined pieces.
How to seal overlapping seams on rubber roof.
Clean the area with water and mild trisodium phosphate soap using a bristle brush.
When a metal roof is newly installed there is a rubber or foam gasket placed in between the overlapping seams that seal the overlapping seams from leaking.
Step 1 locate and clean your separated seam.
Step 4 apply seam tape.
When you inspect the seams and sealants on your rv roof look for cracked or dried out sealants that might be separating and allowing water to get penetrate the surface of the roof.
Step 3 roll the seams together.
Step 2 apply epdm adhesive.
Other overlapping 3 to 4.
Allow the adhesive to dry to a tacky surface.
Mask off the seam area to the width of your rubber patch strip so that your adhesive spray won t gum up the rest of the roof surface.
Cut the epdm rubber patch large enough to go four inches past the damaged area on all sides rounding the corners of the patch to prevent peeling.
If you need to place a piece of gutter on top of another piece to make a better seal be sure to apply rubber sealant to both sides top of one bottom of the other and press together.
Apply caulk to every screw head.
Far enough that it stays in place.
Rinse and allow to air dry or quicken the process with a squeegee and clean lint free cloths.
Fold back the upper sheet.
I show you how to seal rv roof seams yours.
Whenever you are working on your rv roof exercise caution.
How to repair rubber roof seams.
A fall could result in serious injury or death.
After the tape is applied the seam must be be rolled with considerable pressure using a 2 to 3 wide steel roller.
Locating a separated seam on an epdm rubber roof will usually require that you walk on your roof.
Apply a generous bead of waterproof roof caulk to both edges of every 6 inch wide horizontal end lap seam with a caulking gun.
How to seal rv roof seams with dicor lap sealant this is an easy job you can do yourself and have great results.
Clean the underside of the top.
Look for holes or seams that need fixing and apply the rubber sealant.
Allow the caulk to dry completely.