Valley Rafter

Definition

A valley rafter is a diagonal rafter that supports a roof valley, forming the internal angle where two roof slopes intersect.

Purpose

Valley rafters provide structural support for the roof valley, transferring loads from the roof slopes to the building framework and ensuring the stability and strength of the roof structure.

Examples of Use

• Roof Construction: Installing valley rafters in residential and commercial roofs to support the internal angle formed by intersecting slopes.
• Complex Roof Designs: Using valley rafters in architectural designs with multiple roof angles and intersections to provide necessary support.
• Custom Homes: Building custom homes with unique roof designs that require precise placement and support of valley rafters.

Related Terms

• Hip Rafter: A rafter that forms the external angle where two roof slopes meet.
• Common Rafter: A rafter that runs perpendicular from the roof ridge to the eave.
• Jack Rafter: A rafter that spans between the hip or valley rafter and the wall plate.

Notes

Valley rafters must be accurately measured and cut to fit the specific angles of the roof design. Proper installation ensures the roof's structural integrity and prevents sagging or failure.