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.

Flashing block frame window. Pan flashing should extend up the rough jamb at least 6 in. Window installation instructions rev. Then set into the rough sill the same depth of the window or greater. Sill pan flashing for block frame in surface barrier wall.

A window or door is installed on a stud wall with sheathing after the building wrap is in place. White 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. 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.

If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. For nail on and block frames doc no. Flashed rough opening and then glazed it with block. 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.

A sill pan is a rigid piece of flashing with walls to the interior and sides to. When air sealing around the window door frame from the interior do. With a utility knife cut the flashing from the corner down the flashing that will expose the previously installed corner guard. I cut a length of teq flash flashing using the formulas at least 12 wider than the rough opening.

It is then secured to the wall and integrated with the building wrap using flashing tape. The suresill 4 9 16 in. 8 14 20 page 3 of 6. Do not apply sealant or flashing to the bottom nailing fin.

An unsealed bottom fin will create an escape route for any water that finds its way past the building envelope somewhere above the window. Sill pan flashing is recommended for block frame window installations. This can be accomplished by running self adhering flashing over the fin and up onto the window frame above. Center the flashing left to right.