How To Flash A Shed Roof To A Wall

Once even a small section of roofing cement fails you ll have a leak.

How to flash a shed roof to a wall.

Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. Metal flashing prevents rain and run off water from seeping into the space between the roof and the wall and causing damage to. Proper roof wall flashing example. 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. The narrower step flashing just isn t wide enough to protect the intersection fully. But it doesn t work that way. Just simple 3d animated digital instructions on how to install endwall trim on a masterrib metal roof.

Open valleys have metal flashing to protect this critical area of the roof. 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. No sales pitch or other fluff. Then the house wrap and exterior wall covering are installed over this roof flashing.

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. Often with new construction the roof flashing is first nailed to the wall. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. I recommend 12 in wide step flashings bent for a 5 in. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.