How To Seal A Hip Roof To A Wall

There are no gable ends on a building with a hip roof.

How to seal a hip roof to a wall.

I recommend 12 in wide step flashings bent for a 5 in. 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. The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high. 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.

A hip roof is a roof in which the roof slopes upward from all four exterior walls to meet at a central ridge. Bigger step flashing is better. Next i ll remove the hip cap get our z trim cut them to length and install them. The narrower step flashing just isn t wide enough to protect the intersection fully.

It comes in 10 foot lengths or for step flashing 6 inch lengths. 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. 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. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.

Here i have a longer length. Yes even flat roof to wall intersections are not being properly done. 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. 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.

It is used to seal the gap between walls and intersecting roofs.