While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.
Frame roof addition.
This is the simplest solution a single slope that s attached to the original house at the high point and slants down to the outer wall of the addition.
The a frame is very easy to identify.
At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.
Gable roof with shed addition.
The gable roof on the porch addition was framed with a dropped structural ridge supporting the common rafters above.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Some gable roof designs have a shed roof addition on the side.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Framing a roof is the last step in framing new construction.
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 attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
The average wooden stud wall frame construction for an addition runs between 9 and 18 a square foot or 1 800 and 3 600 for a 200 square foot addition with most homeowners spending around 2 500 on basic rough construction framing.
The average cost for a patio roof addition using low maintenance wood patterned aluminum runs for about 6 000 to 10 000 for an area of 20 by 20 feet as of 2011.
It s easy for the contractor to build and easy on the homeowner s budget says schultz but it makes the new space look like an obvious add on.
A screen can be added for an additional cost of 3 000 to 4 000.
The run or half the building span is the base of the triangle.
Adding a wood lattice roof can range between 500 and 10 000.