This is a public consumer information document containing a glossary defining some key terms regarding home inspectors in the united states and canada.
Roof framing glossary.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle.
Roof pitches commonly range from 4 12 to 8 12.
The eave on a gable end is sometimes referred to as the gable overhang.
Other roof framing components problems.
1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends.
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.
A building s frame is the skeleton that supports all of the finishing features like drywall doors windows and even your roof.
Most roofs utilize 16 inch spacings for strength and rigidity.
4 to 8 is the first number of the pitch.
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.
Some of these can support the roof and prevent ridge sagging and wall spreading.
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.
Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.
Upon completing this section you should be able to identify the types of roofs and define common roof framing terms.
When it comes to new construction framing is where your building begins to take shape.
The angle of the roof slope measured as x inches per 12 x 12.
The floor joists are nailed to the studs.
The primary object of a roof in any climate is protection from the elements.
Stick framing combines roof rafters with ceiling joists.
Once you have plans in hand it s your building s framing that makes those blueprints come to life.
Sometimes referred to as the roof overhang.
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.
2 part of a flat roof structure that receives the ends of the flat roof joists.
Rafter blocking or cross bridging also found on floor joists and in some wall framing.
The inherent strength and integrity of the triangular form makes the roof a sound structure.
Soffit or lookout or house eaves.
