Framing New Roof Over Existing Roof

The old shingles are visible inside the framing of the new roof.

Framing new roof over existing roof.

First you ll need to determine where your new gable roof will tie into the existing roof. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. To fix it you ll need to remove the existing roof. The sheathing must be stripped from the old roof for a couple feet along the bottom to get the new ceiling joists in.

Premade roofing trusses will be easier and take less time than installing a stick built roof. While it might look possible to use the old ceiling joists they would need to be grade checked to make sure they meet the present code. Adding a gable roof addition to your house will require one type of framing. You ll need to remove the siding where it meets the 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. Tying a roof perpendicular to the existing roof will be another matter. How to increase the pitch by building a roof over an existing roof use premade roof trusses. 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. 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. 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. 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.

When necessary to tie the new rafters into the house framing the workers cut into the old roof to make the secure connections. You can frame a new roof over the old but it will need to be designed for the span and pitch. How much does it cost to frame a new roof. Your roof is soft and spongy feeling if when walking on your roof the majority of it feels soft and spongy you may have some problems with the underlying sheathing of the roof.

Take careful measurements to determine how many trusses you will need. The average cost of framing a new roof is 16 000. A properly installed layover roof can look and function as well. On the gable ends this was pretty easy.