A term used to describe a pitched roof the ends of which are also sloped.
Roof rafter terminology.
Rafters which rest on the outside walls at the bottom and connect to the ridge at the top are called common rafters highlighted here in yellow.
Hip rafter horizontal run 16 97 valley rafter ridge intersect.
Roof live load see snow or non snow.
Ll line length also called lor.
Ridge the horizontal line at the top of a pitched roof applies whether there is a sloping roof on both sides a duo ridge or if there is just one a mono ridge.
Rafter a vertical sloping timber used to form the shape of the roof the side of a truss.
These are short spars that run from a hip to the eves or from a ridge to a valley.
Auxiliary cushon compound.
Common rafter minor rafter.
Common rafter terminology.
They vary in size depending on their length and spacing.
Roof dead load the approximate weight of roofing materials.
Lor length of rafter this is the mathematical length from the center of the ridge to the outside of the wall.
Rafters are inclined members spaced from 16 to 48 inches apart.
Length in plan of the rafter from a structural beam or wall to another structural beam or wall.
Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.
Definitions of rafter span run roof span slope collar ties.
Roof framing involves a lexicon all its own.
Being smaller than a principal rafter.
They do for the roof what the joists do for the floor and what the studs do for the wall.
A bearing timber forming part of a suspended timber floor to which the floor boards are nailed to the top and a ceiling may be attached beneath or.
Here is a closer look at common roofing terms.
Eave span length the horizontal length i e.
When repairing or replacing a roof it pays to be familiar with these terms.
A rafter extending from the roof ridge down to the top plate of a wall at the intersection of a gable extension roof that itself abuts or intersects with the main roof.
The tops of the.
Tlor total length of rafter this is the total length from center of ridge to the facial cut.
A principal common rafter roof or double roof.
Rafter the members making up the main body of the framework of all roofs are called rafters.
Usually land directly on a tie beam.
In the sketch above the valley rafter is drawn in yellow.
Principal rafter major rafter rarely a chief rafter.
Length in plan of the overhang portion of the rafter.
In most cases in this manual tails are added later.
Bct 122 roof framing 1 rafter terminology calculations.
Definition of valley rafter or cripple jack rafter.
