A sill pan is a rigid piece of flashing with walls to the interior and sides to.
Flashing block frame window.
Fasten the top edge of the sill flashing paper to the framing but do not fasten the lower edge so the weather resistant building paper applied later may be slipped up and underneath the window flashing.
Sill pan flashing is recommended for block frame window installations.
It is then secured to the wall and integrated with the building wrap using flashing tape.
I left a space of 1 75 at the top to allow easy installation of the top course and when it was set i toe screwed a piece of redwood 2x4 in to.
White the suresill 4 9 16 in.
Center the flashing left to right.
If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it.
8 14 20 page 3 of 6.
If the top of the window is near an eave but the bottom is exposed to the elements strip off the siding and focus on flashing the bottom half of the window but ignore the top.
An unsealed bottom fin will create an escape route for any water that finds its way past the building envelope somewhere above the window.
And onto the wall surface at least 2 in.
Then set into the rough sill the same depth of the window or greater.
The suresill 4 9 16 in.
Do not apply sealant or flashing to the bottom nailing fin.
I cut a length of teq flash flashing using the formulas at least 12 wider than the rough opening.
Pan flashing should extend up the rough jamb at least 6 in.
White pvc sloped sill pan for door and window installation and flashing complete pack can be cut to fit the opening if needed.
Window installation instructions rev.
Flashed rough opening and then glazed it with block.
It is recommended for peace of mind against water intrusion and mold.
When air sealing around the window door frame from the interior do.
Sill pan flashing for block frame in surface barrier wall.
For nail on and block frames doc no.
A window or door is installed on a stud wall with sheathing after the building wrap is in place.
