Porch Roof Framing Details

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Porch roof framing details.

Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. 12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c. All wood to be 2 douglas fir or better. Building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component.

Front porch roof framing porch cottage has river rock pillars aggregate concrete cedar shutters and the creek between the year. And the line length measurement from the roof peak to the building wall is the hypotenuse. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. These illustrations above show the plans for the screened in porch deck framing gable framing ledger truss block side walls and the end wall.

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. An example of each is shown in figure 2 1. This is known as prescriptive framing. The run or half the building span is the base of the triangle.

We show you how both a typical rafter style porch and truss roof area constructed. The rise or height of the roof at its peak is the altitude of the triangle. From gable and shed roofs to hip and flat our information about how to build a porch roof will make the job easy. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

Roof and wind loads created by adding a roof. Gable a gable roof has a ridge at the center and slopes in two directions. All construction shall comply with international residential code 2. Building a porch roof requires basic carpentry and porch roof framing knowledge.

The house roof sloped 5 in. Per foot this is called a 5 12 slope and extended 18 in. Common types of roofs and basic framing terms. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Furthermore a gable is a wall with the shape of a triangle that is enclosed by two sloping ends of a rope. 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. Building a shed roof over a deck.

The provisions for prescriptive roof construction are found in chapter 8 of the irc and in section 2308 of the ibc. Your roof may vary from this and the details of how the porch ties in will vary as well. 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.