How To Patch Roof Membrane

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 patch roof membrane.

Roll the patch in multiple directions with a roller to remove any air bubbles and fully bond the patch. 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. How to repair a flat roof membrane 1. Sweep the area free of dirt and debris using a push broom.

Here insulation was used as a kind of underlayment. Heat weld the patch in place. Unscrew and remove the large metal washers holding down the fiberboard substrate. Decide on the part to be cut away.

Trim the rubber patch to extend. Apply a thick even coat of edpm primer to the area using a paintbrush. 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. Pull off the old rubber roofing from the cut area.

Find the injury in the single ply membrane. Remove damaged membrane and insulation. Clean the membrane where the patch is. 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. Spider cracks in the surface the entire surface will have these fine cracks but it could be just in the beginning. Replace insulation if needed with like material. Rinse squeegee or wipe with clean rag.

Remove old caulking material with a scraper.