Flashing A Deck Roof To House

Open valleys have metal flashing to protect this critical area of the roof.

Flashing a deck roof to house.

Flashing a patio roof ledger. A deck is a functional and often beautiful addition to a home. Without it the deck and the ledger it s attached to will quickly rot. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.

Most flashing is 8 inches wide. Then with back flashing. After that to make it flush with the roof of the existing house cut the two outer rafters. In the past metal flashing and extra layers of roofing felt tar paper were often used but nowadays vinyl z flashing and rolls of vinyl back flashing do a better job.

One of the most important aspects of deck contsruction is the proper installation of deck ledger board flashing. Detailed photos in this article show the difference. These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim. With proper flashing a wood deck will last many years.

Make the outline large enough to include space for the deck boards on. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Cut each of the house ends while continuing installing the rafters so that they fit the top of the rafter beam perfectly.

Start by making an outline on the siding where you want to position the ledger board. Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house. Unless it will be protected from rain by the house s eaves or a solid roof a roof ledger that is fastened directly to a house with wood siding should be capped with galvanized metal z flashing that tucks up under siding to prevent water from seeping in behind it. After you demolish the old deck but before you start work on the new one you ll need to make sure the wood on and in.

Snap a chalk line cut out the siding and tack up the ledger board. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.