Extending The Exsisting Roof

This method may be one of the most ubiquitous ways of attaching a patio roof.

Extending the exsisting roof.

Mark the proper height on the existing roof and snap a chalk line across the width of the area for the new shed roof. Measure with a tape measure and cut with a circular saw a 2 by 6. You may need a structural engineer to help with design of trusses and rafters. Fix the back channel to the fascia boards underneath the gutter directly.

Tying a gable roof into an existing roof is a long expensive project usually undertaken only when there is a major addition or renovation to a house. Leave the wood roof decking in place but mark locations of all rafters or joists to which it is fastened. It is not a job for beginners. To do this method you will have the back channel and fascia strengthened by reinforcing two.

Here are 7 different ways of attaching a patio roof to an existing house that you can apply. How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attach shed roof to house adding a roof to screened in porch adding a roof to existing adding a roof. A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot. A lean to roof also called a shed roof slopes in one direction with rafters that rest against another structure at their high end and overhang.

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. This cost did not include any labor or waste disposal fees. How to join a lean to roof to an existing roof. You will need building help and a large construction dumpster for debris.

The cost of extending my 30 foot long roof overhang 14 inches was 340 or 11 50 per running foot for materials. That s a simple low cost solution that can tie in well with the main house. To do this we had to extend the plane of the shed roof out over the porch roof creating a small triangular extension of the existing roof. If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.