Flashing Shed Roof To Existing 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.

Flashing shed roof to existing wall.

That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. It should tuck under the sheathing wrap above and over the flashing below. The narrower step flashing just isn t wide enough to protect the intersection fully. Often with new construction the roof flashing is first nailed to the wall.

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. 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. Under the eaves of a roof with little overhang and no gutters. 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.

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. I recommend 12 in wide step flashings bent for a 5 in. Then the house wrap and exterior wall covering are installed over this roof flashing. Bigger step flashing is better.

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. Above a lower roof where it abuts 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. Roof leg and a 7 in.

In all cases make sure to detail the flashing membrane so that it sheds water. Proper roof wall flashing example. Where an attached backyard deck meets the house.