How To Patch Roof Membrane

Roll the patch in multiple directions with a roller to remove any air bubbles and fully bond the patch.

How to patch roof membrane.

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. Rinse squeegee or wipe with clean rag. Ensure that it extends 2 inches beyond the.

Apply a thick even coat of edpm primer to the area using a paintbrush. Decide on the part to be cut away. How to repair a flat roof membrane 1. Unscrew and remove the large metal washers holding down the fiberboard substrate.

Look for seam separation if the installer didn t know how to use a torch properly to fuse the seams together then the. Remove old caulking material with a scraper. Find the injury in the single ply membrane. Here insulation was used as a kind of underlayment.

Heat weld the patch in place. Scrub the repair area. Clean the membrane where the patch is. Pull off the old rubber roofing from the cut area.

Replace insulation if needed with like material. 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. 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.

If there is evidence that the.