Flashing Shed Roof To Existing Wall

Roof leg and a 7 in.

Flashing shed roof to existing wall.

To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width. Then the house wrap and exterior wall covering are installed over this roof flashing. The narrower step flashing just isn t wide enough to protect the intersection fully. Fastening to masonry walls.

That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Often with new construction the roof flashing is first nailed to the wall. The most common roof to wall intersections involve either a gable roof with its ridge running perpendicular to the wall or a shed roof that slopes downward away from the wall. The easiest way to accomplish this is by using smartvent as an off wall shed exhaust ventilating the shed roof without removing the existing flashing and siding off of the shed wall means one less hassle and one less chance of having the expense to replace the wall siding and losing the bid.

Anchor a ledger to a masonry wall with expanding anchor bolts begin by marking a line across the wall for the ledger s top edge. Drill holes for the expanding anchors every 16 inches or as specified by local codes insert the anchors hold the ledger in place and tap it with a hammer to indent the anchor locations on its back face. A lean to roof also called a shed roof slopes in one direction with rafters that rest against another structure at their high end and overhang support posts or an exterior wall at their low end. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.

It should tuck under the sheathing wrap above and over the flashing below. In all cases make sure to detail the flashing membrane so that it sheds water. There sometimes is a problem with movement differences of the wall and the roof decking when the flashing is fastened to both the wall and the roof. Where an attached backyard deck meets the house.

Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. Bigger step flashing is better. I recommend 12 in wide step flashings bent for a 5 in.