You may need to pry out siding first.
Flashing deck to siding.
Then slip flashing behind the siding covering the top edge of the ledger.
Tearing into siding is all but inevitable if you build.
Item 3807 model 5504900120.
That should pop the nail head out far enough so you can pry it out.
Slip the back flashing under the siding at least 3 at the top and the sides.
Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in.
For pricing and availability.
Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing.
I would remove the old siding that was behind the existing ledger to about an inch above the deck surface.
This flashing needs to extend up at least 2 or 3 inches up under the siding above the deck.
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.
Start by making an outline on the siding where you want to position the ledger board.
Install z flashing behind the bottom of the ledger and over the siding below.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.
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.
The irc doesn t provide prescriptive measures for flashing other than the minimum thickness for metal flashing 0 019 in.
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.
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 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.
Amerimax 14 in x 30 ft vinyl roll flashing.
Union corrugating 14 in x 30 ft vinyl roll flashing.
