Porch Roof Framing Details
Your roof may vary from this and the details of how the porch ties in will vary as well.
Porch roof framing details. Common types of roofs and basic framing terms. All wood to be 2 douglas fir or better. Building a porch roof requires basic carpentry and porch roof framing knowledge. An example of each is shown in figure 2 1.
We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. 12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c. It is also the most common style used in framing a roof of a porch. Furthermore a gable is a wall with the shape of a triangle that is enclosed by two sloping ends of a rope.
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. The run or half the building span is the base of the triangle. 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. The provisions for prescriptive roof construction are found in chapter 8 of the irc and in section 2308 of the ibc.
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. 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. 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.
All construction shall comply with international residential code 2. From gable and shed roofs to hip and flat our information about how to build a porch roof will make the job easy. Roof and wind loads created by adding a roof. Building a shed roof over a deck.
This is known as prescriptive framing. 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. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. 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.
Gable a gable roof has a ridge at the center and slopes in two directions. Per foot this is called a 5 12 slope and extended 18 in. The rise or height of the roof at its peak is the altitude of the triangle. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
The house roof sloped 5 in. It is the form most commonly used by. 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.