How To Repair Flat Leaky Roof

Flat roofs are built up of layers of roofing felt and tar.

How to repair flat leaky roof.

Cut around the damaged area until the membrane rests flat. For most small punctures you can repair your roof simply by forcing sealant into them. Make sure to remove all silicone residues. This will plug it and will also provide an adhesive for the flaps of the membrane to stick to.

When the membrane is completely dry apply the appropriate roof repair material such as roof cement tar or peel and stick patch. 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. Some roofers also suggest using 6d roofing nails to secure the blister flaps. A small patch can act as a permanent epdm roof repair for leaks and cracks.

Sometimes doing that is difficult. Press the membrane flaps to the cement to reseal the cut. If you take that step be sure to cover the nail heads with tar roof sealant or peel and stick flashing patch. 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.

The patch should be adhered from the centre over the hole outwards with a firm hard roller. 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.