The purpose of your home s roof is to protect the entire structure and you from weather.
Gable roof framing design.
It is the form most commonly used by the navy.
The image below shows a cross section of our simple 12 x 13 house from the joist span tablessection of this tutorial.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
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Gable a gable roof has a ridge at the center and slopes in two directions.
The gable roof is one of the most popular roof designs due to its attractive symmetrical shape efficiency at shedding water and option for attic space.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Building a gabled roof requires basic carpentry tools and skills but as long as you make precise cuts and measurements you ll be able to make a roof for any simple structure.
A gable roofis a type of roof design wheretwo sides slope downwardtoward the walls and the other two sides include walls that extend from the bottom of the eaves to the peak of the ridge.
Framing a gable roof building a gable with barge end purlin struts and collar ties the picture above shows the plan view of a gable roof.
Along the top center of the house there is a beam to which are attached the rafters.
After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors.
These roof types have the basic elements of all of the other roofs and make it a perfect place to begin the discussion.
Like rain snow sleet wind and hail.
In conventional gable roof framing the slope of the roof is formed by rafters that run diagonally downward from the peak of the roof to the tops of the exterior walls of the building.
Here we have a wood framed gable roof.
The main elements of the gable roof layout are the ridge beam common rafters and wall plate.
Gable roof framing calculator plan diagram with full dimensions.
Ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building.
It is simple in design economical to construct and can be used on any type of structure.
The run or half the building span is the base of the triangle.
You can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof.
For a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.
