It is recommended for peace of mind against water intrusion and mold.
Flashing block frame window.
Pan flashing should extend up the rough jamb at least 6 in.
A sill pan is a rigid piece of flashing with walls to the interior and sides to.
For nail on and block frames doc no.
Window installation instructions rev.
Sill pan flashing is recommended for block frame window installations.
White the suresill 4 9 16 in.
Center the flashing left to right.
An unsealed bottom fin will create an escape route for any water that finds its way past the building envelope somewhere above the window.
If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it.
It is then secured to the wall and integrated with the building wrap using flashing tape.
This can be accomplished by running self adhering flashing over the fin and up onto the window frame above.
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.
The suresill 4 9 16 in.
A sill pan is used to ensure that incidental water that penetrates the building envelope will be collected and allowed to drain.
Do not apply sealant or flashing to the bottom nailing fin.
When air sealing around the window door frame from the interior do.
Sill pan flashing for block frame in surface barrier wall.
I cut a length of teq flash flashing using the formulas at least 12 wider than the rough opening.
Flashed rough opening and then glazed it with block.
And onto the wall surface at least 2 in.
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.
8 14 20 page 3 of 6.
Then set into the rough sill the same depth of the window or greater.
White pvc sloped sill pan for door and window installation and flashing complete pack can be cut to fit the opening if needed.