The ridge height is 2 9ths to 1 3 the span an angle of 24 to 34.
Roof angle terminology.
Horizontal line at the top of the roof.
Joist in a flat roof a horizontal structural member over which sheathing is nailed.
For english units of measurement when dimensions are given in inches slope may be expressed as a ratio of rise to run such as 4 12 or as a percent.
Because this collects the water run off from two roofing planes it is generally protected by metal valley flashing.
The ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16.
The v cut angle along the junction of two slopes of a roof.
Glossary of roofing terms.
Barge boards batten counter batten dormer eaves fascia felt roof cold felt roof hot flashing flat roof gable gauge hip hip board hip end margin nail sickness rafter ridge ridge board ridge tile sarking sarking board slate soffit tiles interlocking tiles plain tingle truss underfelt valley verge.
The rafter length is 3 4 the span about 48.
A structure located behind the higher side of a chimney or similar projections from the roof to divert rainwater around it.
Commonly used roof pitches were given names such as greek.
The external angle at the junction of two sides of a roof whose supporting walls adjoin.