For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.
How is flashig attached behind siding.
If you have vinyl or metal flanged windows for instance you can install drip cap flashing 4 the home depot over the window itself or over the top trim piece that you install.
Keep water out of your home and running down the roof where it belongs with appropriate use of step flashing.
Start by making an outline on the siding where you want to position the ledger board.
How to install step flashing under siding.
Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in.
Then slip flashing behind the siding covering the top edge of the ledger.
The type and location of the flashings will vary depending on the type of windows and doors.
If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.
Install the first length of z flashing.
Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing.
If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this.
The vertical flange of the flashing is to extend up behind the adjoining siding.
The recommended width of step flashings will vary depending on the agency entity being referenced.
That should pop the nail head out far enough so you can pry it out.
The recommended length of step flashing is typically a minimum of 2 inches longer than the exposure of the roofing material.
Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall.
This results in a 2 inch minimum head lap.
If nails are in the way pull them out.