The narrower step flashing just isn t wide enough to protect the intersection fully.
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.
Flashing provides the extra protection these spots need.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Bigger step flashing is better.
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.
Above a lower roof where it abuts the wall.
Roof leg and a 7 in.
Proper roof wall flashing example.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
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.
Under the eaves of a roof with little overhang and no gutters.
Then the house wrap and exterior wall covering are installed over this roof flashing.
Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend.
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.
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.
I recommend 12 in wide step flashings bent for a 5 in.
Where an attached backyard deck meets the house.
In all cases make sure to detail the flashing membrane so that it sheds water.
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.
Open valleys have metal flashing to protect this critical area of the roof.
