How To Seal Overlapping Seams On Rubber Roof

Lap one sheet over the.

How to seal overlapping seams on rubber roof.

How to repair rubber roof seams. Whenever you are working on your rv roof exercise caution. For small jobs a can of spray epdm adhesive is fine but over spray is a mess. Far enough that it stays in place.

Step 4 apply seam tape. Clean the underside of the top. 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. Fasteners are used to compress this gasket causing a tight seal between the metal panels.

Clean the area with water and mild trisodium phosphate soap using a bristle brush. Allow the caulk to dry completely. Step 2 apply epdm adhesive. Other overlapping 3 to 4.

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. Step 3 roll the seams together. Apply caulk to every screw head. Apply a generous bead of waterproof roof caulk to both edges of every 6 inch wide horizontal end lap seam with a caulking gun.

After the tape is applied the seam must be be rolled with considerable pressure using a 2 to 3 wide steel roller. A fall could result in serious injury or death. How to seal rv roof seams with dicor lap sealant this is an easy job you can do yourself and have great results. Locating a separated seam on an epdm rubber roof will usually require that you walk on your roof.

Step 1 locate and clean your separated seam. 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. Allow the adhesive to dry to a tacky surface. Then continue to apply sealant along all seams of the two joined pieces.

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. Fold back the upper sheet. Rinse and allow to air dry or quicken the process with a squeegee and clean lint free cloths.