How To Seal A Hip Roof To A Wall

The positioning of your rafters will depend on the pitch of the porch roof. Here i have a longer length. Joist hangers can help you mount each rafter to the house.

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The porch roof may match the pitch of your home or have a more shallow roof pitch.

How to seal a hip roof to a wall.

Sheet of housewrap or even better a piece of self adhering roof underlayment to the wall before the first truss or roof rafter is placed against it. Apply a generous bead of waterproof roof caulk to both edges of every 6 inch wide horizontal end lap seam with a caulking gun. Ideally i like to start by installing a 3 ft. Apply caulk to every screw head.

The sheet acts as a backup at a vulnerable junction. If you decide on a shallow pitch porch roof use 2 by 6 foot rafters. 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. Housewrap creates the foundation.

Next i ll remove the hip cap get our z trim cut them to length and install them. Use screws to secure the rafter to the sill plate. 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. Allow the caulk to dry completely.