Flashing A Shed Roof To A Wall

Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend.

Flashing a shed roof to a wall.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. Roof leg and a 7 in. 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 provides the extra protection these spots need. Open valleys have metal flashing to protect this critical area of the roof. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Step flashings are interwoven with the shingles and act essentially as shingles with an upturned leg to allow a transition of the vertical drainage plane of the wall to the drainage plane of the roof.

Above a lower roof where it abuts the wall. 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. 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. Bigger step flashing is better.

These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls. Then the house wrap and exterior wall covering are installed over this roof flashing. Where an attached backyard deck meets the house. I recommend 12 in wide step flashings bent for a 5 in.

Often with new construction the roof flashing is first nailed to the wall. It should tuck under the sheathing wrap above and over the flashing below. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Proper roof wall flashing example.

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.