How To Repair Flat Leaky Roof

Press the membrane flaps to the cement to reseal the cut.

How to repair flat leaky roof.

The patch should be adhered from the centre over the hole outwards with a firm hard roller. For most small punctures you can repair your roof simply by forcing sealant into them. Flat roofs are built up of layers of roofing felt and tar. Make sure to remove all silicone residues.

Apply an epdm primer and when touch dry add self adhesive rubber tape 3 around malleable flashing covering the hole. If there s still water pooled in the leak area mop it up or soak. How to repair leaky flashing on a roof remove all old caulking and tar take laquer thinners and a rag and hard rub the surfaces clean. Cut around the damaged area until the membrane rests flat.

Sometimes doing that is difficult. Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it. In most cases the leak is directly below the damaged spot and the damage to the roofing felt is easy to see. A small patch can act as a permanent epdm roof repair for leaks and cracks.

Leaks usually occur at low spots or where the roofing felt has been damaged. Some roofers also suggest using 6d roofing nails to secure the blister flaps. This will plug it and will also provide an adhesive for the flaps of the membrane to stick to.