Flashing Deck To Siding

Keep in mind the bottom of the upper siding should be at least two inches above the flashing or the decking that s near the house.

Flashing deck to siding. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. This flashing needs to extend up at least 2 or 3 inches up under the siding above the deck. That should pop the nail head out far enough so you can pry it out. 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.

To prevent water from seeping behind the deck s ledger board and rotting the board and the siding the flashing must cover the top of the ledger board and bend over the edge. This keeps water from wicking along the bottom of the ledger and getting behind the siding. If nails are in the way pull them out. You may need to pry out siding first.

Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing. Then slip flashing behind the siding covering the top edge of the ledger. Union corrugating 14 in x 30 ft vinyl roll flashing. Start by making an outline on the siding where you want to position the ledger board.

Tearing into siding is all but inevitable if you build. Item 3807 model 5504900120. Amerimax 14 in x 30 ft vinyl roll flashing. My instinct is to replace the deck and eliminate the ledger altogether add posts near the wall and leave a big gap between the end board and new flashing tucked under the siding.

For pricing and availability. Gap between the end of the ledger and the ends of siding and fill it with high quality exterior caulk to keep water from leaking behind the ends of the ledger. Flashing consists of metal which is durable enough to be exposed to sunlight and mechanical wear and tear plus peel and stick membrane like vycor grace construction products. Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in.

Slip the back flashing under the siding at least 3 at the top and the sides.