Frame Roof Over Existing Roof

The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers.

Frame roof over existing roof.

In order to build any but a shed type roof including trusses you ll need to first determine a few factors. 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. 20 measure and cut a post to temporarily support the ridge. 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.

You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing. The cheapest option would be to leave the old roof in place and place the new rafters over the existing roof. 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. On the gable ends this was pretty easy.

The roof over provides a new look to the mobile home making it look more like a site built home. Use premade roof trusses premade roofing trusses will be easier and take less time than installing a stick built roof. Installing metal roofing over existing roofing material can usually be successfully completed using simple tools. Premade trusses will form the skeleton of your new roof above your old roof.

Shed gable hip gambrel and mansard. How much does it cost to frame a new 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. The span rise run and line length.

Roofs are framed in five basic designs. 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 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. Roofs are framed out of lumber and pieced together in a series of triangles designed to bear the load.