Use a liquid sealant to Repair Flat Roof Flashing Leaks DIY. Flashing causes 90% of all leaks on a FLAT roof. Understand why the walls and flashing will cause leaks and how to repair these issues. After 35 years of being a roofer, fixing leaks, whether it be on chimneys, skylights, vents, air conditioning curbs, drains, or walls, the flashing has been causing the leaks. All these items mentioned above relate to the transition from a roof to an object. It is rare to see a leak come from the roof membrane itself. EPDM rubber roofs leak more than all other roofing systems from the seams. Super Silicone Seal - https://bergstromm.com/ FTC Affiliate Disclaimer - I get commissions for purchases made through links in this post.
Chapters: 0:00 90% of Flat Roof leaks are flashing 1:14 Why caulking does not work 3:11 How to fix flashing - Super Silicone 5:59 Advantages of Super Silicone Seal
How to repair flashing that causes leaks on a flat roof: 1. Use an angle grinder with a stiff wire brush to remove any tar, caulking, and paint that has been used by others to make repairs 2. Use masking tape to tape off the wall approximately 21/2 inches above the flashing and 21/2 inches below where the metal meets the wall 3. Use a disposable paintbrush and apply 1 coat of Super Silicone Seal covering the area between the 2 masked-off areas 4. Embed the 4" polyester fleece into the freshly painted Sealant 5. Apply a topcoat of Super Silicone Seal covering the fleece 6. Use a dry rag to wipe off any spills on the flashing 7. Remove the masking tape while everything is still wet
The Super Silicone Seal is made by https://bergstromm.com/. These 2 sealants will adhere to metal, plexiglass, glass, EPDM Rubber, and Asphalt.
