You may need to pry out siding first.
Deck siding acting as flashing.
Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in.
Cut it for flashing and you structurally damage the wall.
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.
The level of water resistance you need to achieve when flashing a deck ledger will depend on the rainfall and how dry your climate generally is.
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.
Never put horizontal siding in direct contact with any horizontal material.
Slip the back flashing under the siding at least 3 at the top and the sides.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.
Relying on sealed counter flashing isn t ideal but neither is marrying your cladding to your braced walls in one product.
Then slip flashing behind the siding covering the top edge of the ledger.
That should pop the nail head out far enough so you can pry it out.
Installing z flashing 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.
Cover the top edge of the vertical leg of the flashing with waterproof tar paper or house wrap.
If nails are in the way pull them out.
4 leave a gap of 1 inch or more between the the top of the ledger and the edge of the vinyl siding.
Learn how to inspect the proper installation of the deck ledger board flashing as a certified home inspector.
In those cases often the flashing is placed to the t 111 and then counter flashed and sealed.
Start by making an outline on the siding where you want to position the ledger board.
