Roofing Framing Basics

Its short leg is called the tongue.

Roofing framing basics.

Common types of roofs and basic framing terms. The weight of roofing materials and loads compresses roof rafters which pull ceiling joists from each end placing them under tension. These roof types have the basic elements of all of the other roofs and make it a perfect place to begin the discussion. Roof framing basics how does the slope of a roof relate to local weather patterns.

Most roofs utilize 16 inch spacings for strength and rigidity. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Its long leg is called the blade or body. Framing is the process of connecting building materials together to create a structure.

Choose the design of the roofing trusses. The run or half the building span is the base of the triangle. An example of each is shown in figure 2 1. Stick framing combines roof rafters with ceiling joists.

Become familiar with the framing square which you will be using. Parts of a roof. Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing. 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.

It is simple in design economical to construct. Framing is a construction system. The main elements of the gable roof layout are the ridge beam common rafters and wall plate. The rafters are usually positioned directly above the wall studs.

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. And the line length measurement from the roof peak to the building wall is the hypotenuse. 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. The resulting triangle transfers roof loads out to rafter ends where the weight is carried by supporting walls.

Gable a gable roof has a ridge at the center and slopes in two directions. It is the form most commonly used by the navy. Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. For more see roof framing basics.

The rise or height of the roof at its peak is the altitude of the triangle.