How To Flash A Porch Roof

Cracks in the shingles can also be the culprit especially if the shingles are underneath a tree branch.

How to flash a porch roof. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles. Try to keep the nails as flush as possible to the edges. These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether.

Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. The point where a new porch roof butts up against a wall of the house is a prime place for leaks. Nail the flashing securely in place using roofing nails. 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.

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. How to install porch roof flashing. Open valleys have metal flashing to protect this critical area of the roof. How to flash a porch addition.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.