Framin Roof Layout

Stick truss roof framing.

Framin roof layout.

Overhangs hips and dormers add greatly to the complexity of the framing. Roof framing in this chapter we will introduce you to the fundamentals of roof design and construction. But before discussing roof framing we will first review some basic terms and definitions used in roof construction. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.

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. Here we have a wood framed gable roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Standard stick framing or the newer truss framing.

A distinction is made between single shell and double shell roofs. 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. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Design the roof of your dream house with our professional.

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. Roof framing can be simple or complex depending on the roof. Let s consider a basic gable wood roof framing design. A single shell roof is also called warm roof and it is an unventilated roof.

Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. 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. Another common design in the northeast is the saltbox which is a gable roof with one longer side. 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.

Nearly all roofs are framed using one of two methods. Continuing on from part 3. Shed gable hip gambrel and mansard. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Roof framing rafter layout. Roofs are basically five types. 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.