Cut a piece of 8 inch wide aluminum flashing to length using aviation snips.
Flashing existing windows and doors.
The emergency escape window or door shall have a minimum net clear openable area of 5 7 square feet with a minimum net clear height of 24 inches and a minimum net clear width of 20 inches.
Flashing tape photo 6 is a thick pliable waterproof tape that goes under or over nailing window flanges sill and top flashing and house wrap.
Best way to flash an existing window.
Then applying the wrap hardie lap siding and trimming the windows doors with 3 1 2 hardie trim planks.
The 2010 california building code section 1405 4 states.
We are doing a complete exterior teardown.
To allow moisture to escape the bottom of the window is not flashed.
You could also slice through it with a sharp utility knife.
Install side flashing over the wrap.
The suresill 4 9 16 in.
On both sides of the window or door trim the wrap close to the window or door flange.
Secure the wrap to the flange with tape or caulk.
White pvc sloped sill pan for door and window installation and flashing complete pack can be cut to fit the opening if needed.
For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes with the window or door.
It is recommended for peace of mind against water intrusion and mold.
We are the replace the old shiplap 3 4 sheath with 7 16 osb.
Consult the manufacturer s instructions for the recommended technique for your windows.
The head flashing is installed under this flap and over the flange.
Clad door frames are flashed like clad windows see our window flashing illustrations below figures 3 13 figure 3 15 figure 3 16 and solid wood frames are flashed like traditional windows with brickmold figures 3 17 also below.
Exterior window and door openings.
Apply more flashing tape at the top.
Along the top of the window or door create a top flap.
Flashing at exterior window and door openings shall extend to the surface of the exterior wall finish or to the water resistive barrier for subsequent drainage.
Spray foam the now exposed cavities from outside.
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.
Doors are flashed the same as windows on the sides and top and similarly at the sill.
Apply flashing tape over the nailing window flanges of the window sides draping it over the sill pan and behind the house wrap at the top.
