Porch Roof Framing Connection

To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.

Porch roof framing connection.

All construction shall comply with international residential code 2. The information contained here is a. 2 deck framing connection guide f deckcode09 2009 simpson strong tie company inc. After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.

Building a porch roof requires basic carpentry and porch roof framing knowledge. Rafters act more like the top chord of a roof truss than as a roof joist. Use screws to secure the rafter to the sill plate. These illustrations above show the plans for the screened in porch deck framing gable framing ledger truss block side walls and the end wall.

The rise or height of the roof at its peak is the altitude of the triangle. The porch roof may match the pitch of your home or have a more shallow roof pitch. And the line length measurement from the roof peak to the building wall is the hypotenuse. Blind valleys simplify framing.

Similarly hip and valley rafters provide the point of connection for roof rafters framed at angles. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. You will need to remove the shingles and sheathing to expose the roof framing. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio.

Contents this guide recommends connectors and fasteners for deck construction that may meet the requirements of the 2006 international building code and the 2006 international residential code. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. The opposite side of the porch roof will be supported by a header beam that is installed parallel to the house on top of 6x6 support posts. If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.

The positioning of your rafters will depend on the pitch of the porch roof. We show you how both a typical rafter style porch and truss roof area constructed. You will need to. The roof framing itself in this.

The run or half the building span is the base of the triangle. 12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c. When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns. Your roof may vary from this and the details of how the porch ties in will vary as well.

All wood to be 2 douglas fir or better. Joist hangers can help you mount each rafter to the house. The ridge board is non load bearing and merely provides the point of connection for the opposing rafters and is only a nominal 1 thick. Porch depth footing size beam size max beam span rafter size post size 10ft 18 sq x 1 d 4x8 10ft 2x6 24 o c.