How To Attach A Flat Roof To An Existing Roof

Fit rafter board into the u shaped hangers and nail it in place.

How to attach a flat roof to an existing roof.

To install it slide the flat wide flange underneath. Add a new layer of shingles which means that there is no tearing off of the old roof. Tie the addition s joist headers to the existing walls top plates leaving a trough to run the gutter through later. Roofing over an existing roof is also called reroofing or an overlay.

It is the process where roofers install a new roof over your existing one i e. Flashing and more roofing compound are used to weatherproof the joint. Otherwise remove the soffit and fascia from the hip roof on that side. Difference between reroofing and roof replacement.

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. Attaching below the ridge. Attach the horizontal beam by using a nail gun. Attach ledger boards to the joists at the site of the junction if you are connecting the flat roof below the hip roof fascia.

Add decking atop the roof and nail on metal flashing where the shed roof joins the existing roof. After that to make it flush with the roof of the existing house cut the two outer rafters. Make a cutting on one of the sides of the horizontal roof beam on an angle. After this roofing cement is applied around the complete area and then the missing tiles are replaced.

In the case of a lean to roof over an addition the existing rafters will have to be cut away to accommodate the addition and the shed roof will require support where. You have to do it thoroughly so that the rafters sit flush on it.