Porch Roof Framing Details

The provisions for prescriptive roof construction are found in chapter 8 of the irc and in section 2308 of the ibc.

Porch roof framing details.

It is the form most commonly used by. 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. Gable a gable roof has a ridge at the center and slopes in two directions. Step by step.

This is known as prescriptive framing. 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. An example of each is shown in figure 2 1. Roof and wind loads created by adding a roof.

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. Per foot this is called a 5 12 slope and extended 18 in. Building a porch roof requires basic carpentry and porch roof framing knowledge. Furthermore a gable is a wall with the shape of a triangle that is enclosed by two sloping ends of a rope.

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. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. 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. And the line length measurement from the roof peak to the building wall is the hypotenuse.

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. Of the front porch roof with international residential code wood to marry the triangle the beginner all the roof for food in order for my favorite childhood memories were done. All construction shall comply with international residential code 2. It is also the most common style used in framing a roof of a porch.

12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. We show you how both a typical rafter style porch and truss roof area constructed. Front porch roof framing porch cottage has river rock pillars aggregate concrete cedar shutters and the creek between the year.

We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. The rise or height of the roof at its peak is the altitude of the triangle. Building a shed roof over a deck. Common types of roofs and basic framing terms.

These illustrations above show the plans for the screened in porch deck framing gable framing ledger truss block side walls and the end wall. 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.