How To Add A Porch Roof To An Existing Roof

Calculate the sightline clearance height about 6 feet 2 inches in this case.

How to add a porch roof to an existing roof.

Make a cutting on one of the sides of the horizontal roof beam on an angle. Work from the view back not from the house out. Attach the horizontal beam by using a nail gun. To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.

Determine the beam size. Or if you want to raise the roof a bit more install fascia around the roof perimeter attached to the new soffit and nail the new roof deck to crown molding above the fascia. The porch roof may match the pitch of your home or have a more shallow roof pitch. The positioning of your rafters will depend on the pitch of the porch roof.

How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. Installing the new roof to provide a framework for the new trusses nail 2 by 6 inch strips of wood around the perimeter of the roof. Based on the size of the new addition that you wish to have to cover the porch area attach a valley board by nailing it down on the existing roof. You have to do it thoroughly so that the rafters sit flush on it.

After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side. Joist hangers can help you mount each rafter to the house. After that to make it flush with the roof of the existing house cut the two outer rafters. 8 inches in this case.

Jul 12 2016 adding a porch roof to an existing roof blueprint yahoo image search results. Position the rafters on top of the sill plate.