Install metal flashing at every dormer roof to main roof connection.
Flashing metal roofing dormer.
Again fasten only to the roof with a nail through the flashing and the shingle.
You can bed it in roofing cement.
Repeat shingle step flashing shingle step flashing all the way up both sides of the dormer.
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.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Flashing provides the extra protection these spots need.
6 at the top roll the roof underlayment up onto the soffit and use peel and stick to seal the roof soffit connection.
This flashing provides protection for pipes cables conduits and wires.
The next shingle extends below the previous step flashing.
Open valleys have metal flashing to protect this critical area of the roof.
At the top fold a closure flashing with a piece of sheet metal that can tuck into the crotch where roof meets soffit.
This flashing protects your roof from water damage.
And so on continuing up the side of the dormer.
Because this type of metal flashing can t be soldered making a leak proof joint where the flashing turns the corner at the bottom of the dormer called for special attention but i have a detail that handled the situation nicely.
On this dormer i used commonly available painted aluminum coil stock for flashing.
The soft aluminum base conforms to most metal roof panels.
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Up to 5 3 4 in.
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.
Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
10 galvanized dormer flashing.
And the next step flashing goes on top aligned above the next shingle.
Place this in the valley on each side of a gable roof one edge laid on the gable roof with the other side nailed flat on.
