Framing New Roof Over Existing Roof

The fully adhered membrane wrapped down over the cut back roof deck to tie into the wall water control layer and air control layer photograph 11.

Framing new roof over existing roof. The condition of the existing roof is critical. On the front of the roof edges the original roof deck sheathing was cut back flush with the wall and the fully adhered membrane folded down around the rafter tails to catch the. There are a few situations where roofing over an existing roof just isn t possible. Roofs are framed out of lumber and pieced together in a series of triangles designed to bear the load.

The only way to know for sure whether it will work for you is to ask a professional roofer. Adding a gable roof addition to your house will require one type of framing. Take careful measurements to determine how many trusses you will need. If you are building a new home putting an addition on an existing home or replacing your roof down to the rafters you will need a new roof frame.

The average cost of framing a new roof is 16 000. One of the keys to over roofing is to tie the air control layer of the roof assembly to the air control layer of the wall assembly. Remove the top several levels to. How to increase the pitch by building a roof over an existing roof use premade roof trusses.

When necessary to tie the new rafters into the house framing the workers cut into the old roof to make the secure connections. Roofing over your existing roof is not always possible. How much does it cost to frame a new roof. Premade roofing trusses will be easier and take less time than installing a stick built 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. The roof should be in sound. Tying a roof perpendicular to the existing roof will be another matter. All these factors must be calculated when designing a roof to ensure structural integrity and to satisfy local building codes.

Multiple layers of shingles can make it difficult or impossible for the nails to penetrate. The old shingles are visible inside the framing of the new roof. You ll need to remove the siding where it meets the roof. We re happy to give you a free inspection.

On the gable ends this was pretty easy.