Attic Framing Terms

However green building uses a single top plate and ensures that rafters and ceiling joists sit on the plate directly over the studs.

Attic framing terms.

In the following section we ll cover some of the more common roof and rafter terms you ll need. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder. On any wall panel or framing piece the beams that run horizontal at the very top and bottom of the frame are called plates. Roof ceiling construction requirements are listed in california residential code chapter 8.

Ironically though it s the rafters that provide a better environment for an attic conversion because of the clear space. This is to help prevent deflection and sag in the roof. Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more. Some of these can support the roof and prevent ridge sagging and wall spreading.

Assembling framing one member at a time on the job site instead of raising prefabricating walls or trusses as a unit. Top plate or plates in conventional western platform framing there are two top plates. At the top of a wall panel you have a top plate and at the bottom you ll have a bottom plate. Roof features associated with basic roof framing terms are shown in figure 2 2.

When repairing or replacing a roof it pays to be familiar with these terms. If you have trusses it will be next to impossible to reconfigure them to allow for clear space. Back to alphabetical list hip roof. Roof framing terms are related to the parts of a triangle.

Here is a closer look at common roofing terms. Roof framing involves a lexicon all its own. Sway bracing there are a few ways to sway brace the wall. A 2x4 or 2x6 vertical framing member used to construct walls and partitions.

Studs are attached to plates and studs and plates combined form a wall panel. Trusses are considered a superior method of framing a roof because of the additional support. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet 2 8 m 2 the vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members. Boards or plywood installed over joists on which the finish floor is laid.

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.