What is cheaper, trusses or rafters?: Trusses are often more cost-effective than rafters for large or complex roof structures because they are pre-manufactured and require less labor.What does a 3 12 pitch mean?: A 3:12 pitch roof rises 3 inches for every 12 inches of horizontal run.What angle do I cut for a 4 12 pitch?: For a 4:12 pitch roof, you would typically cut the Birdsmouth at an angle of 18.43 degrees.How deep is a 2×6 rafter birdsmouth?: The depth of a Birdsmouth cut in a 2×6 rafter depends on factors like the roof pitch and design but is typically around 1.5 inches (3.81 cm) or more.Common sizes include 2×4, 2×6, 2×8, and larger. How thick do rafters need to be?: Rafter thickness depends on the load they need to support and local building codes.
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