Detailed photos in this article show the difference.
Flashing a deck roof to house.
Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house.
Flashing a patio roof ledger.
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.
Most flashing is 8 inches wide.
Ideally the house s sheathing should be triple protected from moisture with building paper or roofing felt stapled to the sheathing.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.
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.
Start by making an outline on the siding where you want to position the ledger board.
Without it the deck and the ledger it s attached to will quickly rot.
Cut each of the house ends while continuing installing the rafters so that they fit the top of the rafter beam perfectly.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
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.
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.
Then slip flashing behind the siding covering the top edge of the ledger.
One of the most important aspects of deck contsruction is the proper installation of deck ledger board flashing.
A deck is a functional and often beautiful addition to a home.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Then with back flashing.
Open valleys have metal flashing to protect this critical area of the roof.
