Another common design in the northeast is the saltbox which is a gable roof with one longer side.
Framin roof layout.
Roof framing can be simple or complex depending on the roof.
Floor beam span tables of residential structural design we will now look at roof rafter and beam design.
A single shell roof is also called warm roof and it is an unventilated roof.
A distinction is made between single shell and double shell roofs.
Roof framing rafter layout.
Shed gable hip gambrel and mansard.
Overhangs hips and dormers add greatly to the complexity of the framing.
The roof frame work mainly consists of purlins inferior purlin central purlin and ridge purlin ridge collar rafter and roofing battens.
Although truss designed roofs are predominant throughout most of the residential construction industry there are regions where building with stick frame roofs is still common.
Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.
Nearly all roofs are framed using one of two methods.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
We will then discuss the framing square and learn how it s used to solve some basic construction problems.
In this 3rd video from our 3 part house framing series pro framer larry haun demonstrates how to build the roof for a modest size house.
Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.
Standard stick framing or the newer truss framing.
Continuing on from part 3.
In this post randy shackelford discusses some design choices available to stick frame builders the challenges they pose and the solutions offered by the simpson.
But before discussing roof framing we will first review some basic terms and definitions used in roof construction.
This will the first point of the rafter measurement line using the results of your rafter length calculation measure from this point along the rafter measurement.
Let s consider a basic gable wood roof framing design.
Roofs are basically five types.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it measure down y height from the long point of the rafter cut and make a mark.
Stick truss roof framing.
The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof.
Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house.
Roof framing in this chapter we will introduce you to the fundamentals of roof design and construction.