Roof features associated with basic roof framing terms are shown in figure 2 2.
Porch roof framing terminology.
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 depth footing size beam size max beam span rafter size post size 10ft 18 sq x 1 d 4x8 10ft 2x6 24 o c.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Perfect porch roof construction karenefoley perfect porch roof construction karenefoley 15.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.
Any opened or closed covered projecting entrance to a house or building.
Short pieces of lumber between joists that strengthen the framing.
Build porch roof designs build porch roof designs 16.
Best patio roof ideas pinterest porch best patio roof ideas pinterest porch 17.
All wood to be 2 douglas fir or better.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
They are designed to prevent the joists from twisting.
The vertical posts that hold the rail.
In the following section we ll cover some of the more common roof and rafter terms you ll need.
Custom porch railing panels 3 front porches 2 gates 3.
12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c.
The rise or height of the roof at its peak is the altitude of the triangle.
Build porch roof designs build porch roof designs 18.
The run or half the building span is the base of the triangle.
Collar ties rafter ties tension beams structural ridge beams.
When repairing or replacing a roof it pays to be familiar with these terms.
Hefty framing members usually 4x 6x or doubled or tripled 2x stock attached horizontally to the posts to support the joists.
Roof framing terms are related to the parts of a triangle.
The vertical supports that rest on piers and support the beam most often built from 4 4 pieces of lumber.
Building a porch roof requires basic carpentry and porch roof framing knowledge.
Could be wood framing with composite decking.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Framing terms knowing the basic vocabulary is a necessary part of your work as a builder.
All construction shall comply with international residential code 2.
Roof framing involves a lexicon all its own.
The metal brackets that connect the piers to the posts.
We show you how both a typical rafter style porch and truss roof area constructed.
Actually roofing material is not used typically wood or pvc material with gaps between.
Here is a closer look at common roofing terms.
