Flashing Roof To Rake Wall

Flashing is critical to certain areas of your roof namely the places where the roof surface meets a wall sidewalls and front walls the low points where two roof slopes meet called valleys roof protrusions bathroom kitchen vents skylights and the roof s edges rakes and eaves.

Flashing roof to rake wall.

Before we install the end wall flashing we have to apply tape sealant to the top of the z trim so that there s a water tight barrier between the end wall flashing and the top of the z. Bigger step flashing is better. The narrower step flashing just isn t wide enough to protect the intersection fully. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.

The final thing to do is install the end wall trim. Its end needs to be cut angled and folded to fit the roof side and meet the end wall and eave. We have our z trim installed and tape seal on top of the z trim so we can install this and. It comes in 10 foot lengths or for step flashing 6 inch lengths.

Below are guidelines for flashing the wall before installing any type of sloped roofing material at eave to rake wall intersections. Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle. Rake trim is placed along the roofline where the line meets the gable. It is used to seal the gap between walls and intersecting roofs.

Eave to rake wall flashing. See fact sheet nos. However the problems in this area can be greatly reduced if some guidelines are followed. One of the most troublesome areas of the roof is the eave to rake wall flashing intersection.

There have always been problems with the flashing details at the roof to wall intersections of head walls rake walls and chimneys especially if brick or stone veneer or stucco is used. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. 7 2 and 7 3 for rake and eave details. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

I recommend 12 in wide step flashings bent for a 5 in. One common method is to lay the edge metal under the eaves membrane and over the rake.