How To Attach A Flat Roof To An Existing Roof

Attach the horizontal beam by using a nail gun.

How to attach a flat roof to an existing roof.

Roofing over an existing roof is also called reroofing or an overlay. Install shed rafters from the ledger board to the outer wall using metal rafter hangers which attach to the ledger board with screws or nails. Difference between reroofing and roof replacement. Otherwise remove the soffit and fascia from the hip roof on that side.

After that to make it flush with the roof of the existing house cut the two outer rafters. The roof needs to be tied in by lifting up some of the original tiles on the existing roof and then allowing the flat roof to run slightly underneath. You have to do it thoroughly so that the rafters sit flush on it. To install it slide the flat wide flange underneath.

Flashing and more roofing compound are used to weatherproof the joint. 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. Add decking atop the roof and nail on metal flashing where the shed roof joins the existing roof. 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.

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. It is the process where roofers install a new roof over your existing one i e. After this roofing cement is applied around the complete area and then the missing tiles are replaced.

Attach ledger boards to the joists at the site of the junction if you are connecting the flat roof below the hip roof fascia. Drip edge or edge metal is a piece of metal that extends approximately 0 75 inch beyond the roof s edge to channel runoff into your gutters.