Repair perforation in EPDM

A small hole in EPDM often remains unnoticed. However, it is a common cause of moisture problems in EPDM roofs. On this page we explain how you can easily fill up the hole yourself using WP7-101 Universal Roof Sealing.

Step 1: Preparation

  • Cut an EPDM repair patch into a round shape.

  • Clean the substrate and the patch with MULTICLEAN.


Step 2: Sealing the perforation

  • Apply WP7-101 in the perforation.

  • Then apply WP7-101 around the perforation and spread it with an adhesive comb.

  • Apply the repair patch and seal it with WP7-101.

  • Finish with Tec7 Cleaner.


Always consult the technical data sheet for full instructions.