How To Patch A Rubber Membrane Roof

Roll the butyl backed tape firmly into place.

How to patch a rubber membrane roof.

Epdm rubber and tpo vinyl roof does not come with ultraviolet protection. How to repair a torch down rubber membrane roof if you have a torch down rubber roof and it was protected against ultraviolet rays with a silver coating or a ceramic surface then it could last indefinitely. The torch down rubber membrane is still by far the best roofing membrane and will outlast any other roofing membrane. Weathered membrane cleaner this liquid is used to dissolve and remove residue off the roof which cannot be washed off by water.

3 trim the rubber patch to extend 2 to. Unscrew and remove the large metal washers holding down the fiberboard substrate. Epdm primer or glue this is used to adhere patches and flashing to rubber membrane. This requires utilizing a firm roller to assure contact.

Caulk around the edges of the patch with a bead of polyurethane sealant and cover the seam consistently. Using a pressure sensitive patch. Allow the primer to dry according to the manufacturer s instructions. Roll the patch in multiple directions with a roller to remove any air bubbles and fully bond the patch.

One source of this material may be a building supply center or a recreational vehicle supply store. Lap caulk sealant used to seal the edges of a patch. Ensure that it extends 2 inches beyond the tear or cut in the flat rubber roof membrane. Work your way out from one edge of the patch to the other.

Locate the source of the leak on the roof then use a utility knife to slice through the rubber roof around the suspected trouble spot. Pull off the old rubber roofing from the cut area. Depending on which part of the country and how much the roof was exposed to the sun how long roof membranes will last. Once you confirm that the primer is dry remove the film paper off the back of your patch and slowly apply the patch to the roof surface making sure you do not trap any air so that you don t create any bubbles air pockets between the patch and rubber membrane.