How To Seal A Hip Roof To A Wall

Yes even flat roof to wall intersections are not being properly done.

How to seal a hip roof to a wall.

Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a. In hip roof designs all four exterior walls support the ends of roof rafters so all exterior walls bear a weight load from the roof above them. Gaf mastering the roof chapter 13 flashing is used to seal and protects joints in a building from water penetration by direct the flow of water away from. In the same way that we use z trim for the installation of end wall flashing and sidewall transition we re going to do the exact same thing here on the hip.

The narrower step flashing just isn t wide enough to protect the intersection fully. Roof leg and a 7 in. Bigger step flashing is better. 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.

It comes in 10 foot lengths or for step flashing 6 inch lengths. Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right. Proper roof wall abutment flashing examples. The most common roof to wall intersections involve either a gable roof with its ridge running perpendicular to the wall or a shed roof that slopes downward away from the wall.

Here i have a longer length. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. It is used to seal the gap between walls and intersecting roofs. There are no gable ends on a building with a hip roof.

I recommend 12 in wide step flashings bent for a 5 in.