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: ''For the [[tennis]] player, see [[Patrick Rafter]].''
: ''For the [[tennis]] player, see [[Patrick Rafter]].''


A '''rafter''' is a structural member, a type of [[beam (structure)|beam]], which supports the [[roof]] of a building. In home construction, rafters are typically made of [[wood]]. Rafters are a feature of traditional roof styles.
A '''rafter''' is a structural member, a type of [[beam (structure)|beam]], which supports the [[roof]] of a building. In home construction, rafters are typically made of [[wood]]. Exposed rafters are a feature of traditional roof styles.


In many buildings, rafters have been replaced by engineered [[truss|trusses]], normally because of span limitations and/or roof load (weight from above).
In many buildings, rafters have been replaced by engineered [[truss|trusses]], normally because of span limitations and/or roof load (weight from above).

Revision as of 02:32, 8 September 2006

For the tennis player, see Patrick Rafter.

A rafter is a structural member, a type of beam, which supports the roof of a building. In home construction, rafters are typically made of wood. Exposed rafters are a feature of traditional roof styles.

In many buildings, rafters have been replaced by engineered trusses, normally because of span limitations and/or roof load (weight from above).

Carpenters build rafters to define the pitch of a roof. In the United States, roof pitch is measured as rise over run, usually in inches. For example, an "3:12 pitch" would mean 3 inches of rise over 12 inches of run. In Australia, roof pitch is measured in degrees.