Flashing A Deck Roof To House

Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.

Flashing a deck roof to house.

Slip flashing under siding. Materials required acrylic caulk drip cap galvanized flashing galvanized joist hangers galvanized lag screws galvanized nails and screws pressure treated wood z flashing. Fit the flashing in place caulk the top edge and nail it with galvanized nails long enough to penetrate at least 1 inch into the structural members. If you already have faulty flashing installed you.

The irc doesn t provide prescriptive measures for flashing other than the minimum thickness for metal flashing 0 019 in. How to install porch roof flashing step 1. A simple metal or plastic cap flashing is probably adequate to flash a deck ledger in a dry climate while the 3 layer system described in this video is suitable for high rainfall and damp climates. If the house is sided with shingles or lap siding simply slip the metal s top edge up under the bottom edge of the shingles or siding as far as possible.

Where the back flashing needs to be cut around an obstacle measure for the notch and cut with tin snips or slice several passes with a knife. Measure the length of the porch roof joint to determine how much flashing you will need. When slipping the flashing under the siding be sure to slide the flashing to the left or right of the ledger by at least 2. Place the vertical portion of the flashing against the home s exterior sheathing slide it under the house wrap through the slit you cut and the horizontal portion on top of the ledger board.