Roof Framing Glossary

When it comes to new construction framing is where your building begins to take shape.

Roof framing glossary.

The floor joists are nailed to the studs. A building s frame is the skeleton that supports all of the finishing features like drywall doors windows and even your roof. 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. Collar ties rafter ties tension beams structural ridge beams.

The soffit is the. The rafters are usually positioned directly above the wall studs. The butt of a shingle is the end that faces down roof. Some of these can support the roof and prevent ridge sagging and wall spreading.

4 to 8 is the first number of the pitch. Stick framing combines roof rafters with ceiling joists. The primary object of a roof in any climate is protection from the elements. Once you have plans in hand it s your building s framing that makes those blueprints come to life.

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. Sometimes referred to as the roof overhang. The inherent strength and integrity of the triangular form makes the roof a sound structure. Roof pitches commonly range from 4 12 to 8 12.

1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. Most roofs utilize 16 inch spacings for strength and rigidity. 2 part of a flat roof structure that receives the ends of the flat roof joists. Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.

Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. The angle of the roof slope measured as x inches per 12 x 12. Rafter blocking or cross bridging also found on floor joists and in some wall framing. The lower part of a roof plane that extends outward from the structure at the same slope as the roof and is generally finished with a fascia board.

Other roof framing components problems. Roof slope and rigidness are for shedding water and bearing any extra additional weight. Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle. 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.

Upon completing this section you should be able to identify the types of roofs and define common roof framing terms.