Roof Framing Glossary

Rafter blocking or cross bridging also found on floor joists and in some wall framing.

Roof framing glossary.

Roof slope and rigidness are for shedding water and bearing any extra additional weight. An older style of framing in which the studs in the bearing walls are run uninterrupted from the sole plate up to the roof plate. This is a public consumer information document containing a glossary defining some key terms regarding home inspectors in the united states and canada. The rafters are usually positioned directly above the wall studs.

Most roofs utilize 16 inch spacings for strength and rigidity. Stick framing combines roof rafters with ceiling joists. Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. To calculate a roof s pitch place a carpenter s level positioned level on roof line measure out 12 on the level from that 12 point measure down to the roof line.

Upon completing this section you should be able to identify the types of roofs and define common roof framing terms. Once you have plans in hand it s your building s framing that makes those blueprints come to life. The primary object of a roof in any climate is protection from the elements. The angle of the roof slope measured as x inches per 12 x 12.

Some of these can support the roof and prevent ridge sagging and wall spreading. The soffit is the. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle.

A building s frame is the skeleton that supports all of the finishing features like drywall doors windows and even your roof. Soffit or lookout or house eaves. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. The inherent strength and integrity of the triangular form makes the roof a sound structure.

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. Other roof framing components problems. Sometimes referred to as the roof overhang. 2 part of a flat roof structure that receives the ends of the flat roof joists.

Roof pitches commonly range from 4 12 to 8 12. The butt of a shingle is the end that faces down roof. 4 to 8 is the first number of the pitch. When it comes to new construction framing is where your building begins to take shape.

The eave on a gable end is sometimes referred to as the gable overhang.