Flashing On Asphalt Shingle Roof I

Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.

Flashing on asphalt shingle roof i. The extra kick at the bottom of the face directs run off away from the structure. Leave the old valley flashing in place and install new over it. Install drip edge eave trim and valley flashing. Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle.

Layout fabricate overlap and secure asphalt shingles per manufacturer instructions. And in section 905 which covers the installation of all roof coverings of the 2015 irc the first sentence requires compliance with the code and the manufacturer s. Class a shingles can withstand winds of 60 mph and class f endure 110 mph gusts. Install roofing paper membrane.

Strong gusts may also loosen the metal flashing on the shingles or snap tree limbs causing them to collapse and damage the roofing material. The roof also must have only a few penetrations a small amount of flashing and no walls that have to butt up against your shingles. Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in. To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.

Every asphalt roofing manufacturer s installation instructions that i have ever seen specify step flashing as the preferred way to flash the roof to wall juncture. How to prevent damage. This drip edge flashing provides protection from water damage along the eaves and rake of a roof. Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at.

If you re building a home or replacing the roof choose shingles rated for wind resistance. Basic labor to install asphalt shingle roof with favorable site conditions.