Profile fillers at the tops and bottoms of sheets.
Flat roof leaking at flashing.
Flashing joints are lapped 6 in the direction of water flow.
Flashing against walls chimneys skylights vent pipes and air conditioners cau.
Thin pieces of material sometimes metal that have been installed to weatherproof the roof and stop water entering at angles or joint.
First roughen the area around the hole with a wire brush or sandpaper and then clean it.
Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
That is one of the more difficult areas to accomplish and to make sure it would last a long time without leaking.
Eventually water pools behind the dam and works its way back up under the shingles and under the soffit until it finds an opening through the roof.
Some roof leaks happen at step flashings.
Small holes or corroded spots in flashing can be easily repaired.
As each row of shingles is laid a step flashing is installed over the shingle next to the wall.
The solution begins with good flashing since this should stop leaks from rainfall and might stop the leaks from ice dams as well.
The flashing extends up the wall at least 4.
Install a profile filler at the highest points under a ridge cap or apron flashing to stop water ingress into the building.
Nail down the flashing to the plywood 3.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
This flashing is normally installed around pipes and at roof edges but it isn t always that durable.
One course up from the roof.
Part of the flashing turns up on the wall and the other portion gets covered by the next row of shingles.
Epdm uses contact cement to glue the rubber to the metal.
Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice and water barrier available where roofing repair products are sold under the soffit main roof joint.
This will act as a physical water barrier.
A common cause of leaks on flat roofs is often flashing.
When a skylight is installed on a flat roof then the flashing around it should be one solid piece.
At the gutter edge of the roof install a pre formed foam filler between the roof sheet and the gutter flashing.
Remove the vinyl siding approx.
Apply one coat of turbo poly seal over the transition from the metal flashing to the plywood 4.
Install the polyester fleece.
