Frame Roof Over Existing Roof

Use premade roof trusses premade roofing trusses will be easier and take less time than installing a stick built roof.

Frame 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. Premade trusses will form the skeleton of your new roof above your old roof. The cheapest option would be to leave the old roof in place and place the new rafters over the existing roof. The average cost of framing a new roof is 16 000.

The span rise run and line length. Build a roof over an existing mobile home roof over a roof over can be installed over the existing roof of the mobile home whatever its shape flat sloping or domed. Roofs are framed out of lumber and pieced together in a series of triangles designed to bear the load. 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.

To establish the ridge point stretch a string from the peaks of the new trusses following that line back into the existing roof. If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing. On the gable ends this was pretty easy. 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.

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. The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers. 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 much does it cost to frame a new roof.

20 measure and cut a post to temporarily support the ridge. In order to build any but a shed type roof including trusses you ll need to first determine a few factors. The roof over provides a new look to the mobile home making it look more like a site built home. Installing metal roofing over existing roofing material can usually be successfully completed using simple tools.