Patching Rubber Roof Membrane

Pull off the old rubber roofing from the cut area.

Patching rubber roof membrane.

Ensure that it extends 2 inches beyond the tear or cut in the flat rubber roof membrane. How to patch a leaking rubber roof 1. Once you applied the primer and let it dry thoroughly take the 7 9 corner patch you may also cut a 6 8 piece off the 10 roll included in our rubber roof patching kit fold it in half and peel back half of the film but do not remove it completely. Each kit includes four 8 inch round peel and stick repair patches one pint of seam primer one scrub pad two wiping cloths and one seam roller.

These kits can be expensive but they may include enough material to make several repairs. Lap caulk sealant used to seal the edges of a patch. Epdm primer or glue this is used to adhere patches and flashing to rubber membrane. When many visible patches on the roof are found when a silicone coating has been sprayed on the roof when the rubber is curling and folding in some areas when nails or screws are pushing up through the membrane when numerous areas have a soft surface when walked on when water ponding is in large.

Replace insulation if needed with like material. To help you prevent major damage and seal up small holes on your tpo rv roof dave demonstrates the proper way to repair torn or cut tpo membrane on an rv roof. Apply a thick even coat of edpm primer to the area using a paintbrush. Patching materials for epdm roofing are sold as either standard membrane materials that require separate adhesive or as pressure sensitive materials that have the adhesive pre applied to the underside of the membrane.

Unscrew and remove the large metal washers holding down the fiberboard substrate. Locate the source of the leak on the roof then use a utility knife to slice through the rubber roof around the. Patching materials also are sold in kits that include cleaner primer and roller for bonding the patch. Find the injury in the single ply membrane.

Attach the patch to the vertical part of the outside corner and wrap it around the corner making sure that it s tightly applied without any air bubbles. Decide on the part to be cut away. Here insulation was used as a kind of underlayment. Weathered membrane cleaner this liquid is used to dissolve and remove residue off the roof which cannot be washed off by water.

Allow the primer to dry according. Clean the membrane where the patch is.