A shed roof on a front porch slopes downward away from the house.
Roof porch frame.
Start with ledger board mounting.
You frame the roof with rafters supported at their upper ends by a horizontal ledger board attached to the exterior.
The house roof sloped 5 in.
Building a porch roof requires basic carpentry and porch roof framing knowledge.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
You have to fix the header board securely to hold up.
The rise or height of the roof at its peak is the altitude of the triangle.
Your roof may vary from this and the details of how the porch ties in will vary as well.
These illustrations above show the plans for the screened in porch deck framing gable framing ledger truss block side walls and the end wall.
We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio.
Porch roof construction includes not only porch roof construction types and designs but also the selection of materials and considerations you ll need to build your roof.
How to build a porch roof properly.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Detailed guide mount the ledger header board and install the rafters.
Frame your porch roof by continually adding rafters until it extends one foot past your porch walls or support columns.
The run or half the building span is the base of the triangle.
Per foot this is called a 5 12 slope and extended 18 in.
We show you how both a typical rafter style porch and truss roof area constructed.
The cost to build a 200 square foot covered porch ranges from 4 600 to 22 000 or 10 500 on average you can expect to pay 23 to 110 per square foot the total includes flooring steps posts railing roofing and more.
A fascia board which is a roofing material that helps compensate when there are inevitable inconsistencies in rafter length will mount on the front and on the sides of your porch roof frame.
Gable porch roof framing this porch roof framing style has 2 sloping sides or parts that will meet at the top so that it can make a gable at the two ends.
It is also the most common style used in framing a roof of a porch.
This includes a material cost of 11 to 70 per square foot and 12 to 40 per square foot in labor.