How To Patch Roof Membrane

Decide on the part to be cut away.

How to patch roof membrane. 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. Scrub the repair area. Rinse squeegee or wipe with clean rag. If the surface of the existing membrane is badly oxidized it may be possible to enlarge the hole insert the new patch underneath and heat weld to the bottom side of the membrane.

Using a pressure sensitive patch. Remove old caulking material with a scraper. Remove damaged membrane and insulation. Remove the paper or film backing from the patch apply the patch to the roof membrane and press it down firmly.

Ensure that it extends 2 inches beyond the. Sweep the area free of dirt and debris using a push broom. Look for seam separation if the installer didn t know how to use a torch properly to fuse the seams together then the. How to repair a flat roof membrane 1.

If there is evidence that the. Unscrew and remove the large metal washers holding down the fiberboard substrate. Apply a thick even coat of edpm primer to the area using a paintbrush. Here insulation was used as a kind of underlayment.

Clean the membrane where the patch is. Heat weld the patch in place. Replace insulation if needed with like material. Find the injury in the single ply membrane.

Spider cracks in the surface the entire surface will have these fine cracks but it could be just in the beginning.