Flashing A Sunporch Roof

These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether.

Flashing a sunporch roof.

Open valleys have metal flashing to protect this critical area of the roof. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. The proper way to seal and prevent leaks on this type of seam is by. Above the roof sheathing.

A leaky porch roof is caused by numerous reasons but it is most probably due to damage in the flashing and not the roofing material unless the roofing material is too old and nearing the end of its life. Flashing is generally 8 inches wide with 4 inches going on the wall of the house and 4 inches going on the top of the roof shingles. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Cut the flashing with tin snips if you need to cut it.

Many people who have porches attached to their homes have problems with water leaks at the junction of the porch and the exterior wall of the home. One more tip and that is grace makes a product called roof detail membrane which is a flexible product and sometimes in those tricky situations where you have a lot of intersecting lines you can use a flexible flashing and kind of stretch it around there. Flexible flashing tape seals the eave to the wall. Cracks in the shingles can also be the culprit especially if the shingles are underneath a tree branch.

It has been too co. How to flash a porch addition. Use a metal break tool to bend the flashing according to the angle of the roof joint. Loctite pl s30 black roof and flashing sealant.

You need to make a bend of 10 degrees one half inch from the edge. This looks like a four seasons prefab modular aluminum roof over a sun room which uses 3 foam sandwiched between sheets of dimpled aluminum painted whit. The point where a new porch roof butts up against a wall of the house is a prime place for leaks. I cut the tape so that it laps onto the housewrap above and 3 in.

Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia. The sealant s polyurethane formulation allows it to form permanent all weatherproof seals in exterior gaps and joints. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. However this does not excuse their failure to do proper flashing there and that s what s causing that problem.