How To Repair Flat Leaky Roof

A small patch can act as a permanent epdm roof repair for leaks and cracks.

How to repair flat leaky roof.

Apply roofing cement peel back the layers of the membrane you cut and apply roofing cement to the leak and to the entire section of the roof underneath the membranes you cut away. For most small punctures you can repair your roof simply by forcing sealant into them. The patch should be adhered from the centre over the hole outwards with a firm hard roller. Flat roofs are built up of layers of roofing felt and tar.

Cut around the damaged area until the membrane rests flat. Make sure to remove all silicone residues. When the membrane is completely dry apply the appropriate roof repair material such as roof cement tar or peel and stick patch. If you take that step be sure to cover the nail heads with tar roof sealant or peel and stick flashing patch.

Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it. Press the membrane flaps to the cement to reseal the cut. Sometimes doing that is difficult. Apply an epdm primer and when touch dry add self adhesive rubber tape 3 around malleable flashing covering the hole.

In most cases the leak is directly below the damaged spot and the damage to the roofing felt is easy to see. 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. If there s still water pooled in the leak area mop it up or soak.