3/11/2024 0 Comments Roof rafters roof rafters tiesSome framing systems use a ridge beam combined with gable-end posts instead of a ridge board, which provides structural support to the rafters. Rafter ties, which often double as ceiling joists, prevent these horizontal forces from causing the walls to "pancake." Ridge Beam As the rafters sit on top of the wall plates at an angle, they exert horizontal forces on the exterior walls. The rafter tie resists the outward forces imposed on the load-bearing walls. The ridge board serves as a nailing surface for the opposing rafters and provides no structural support. The rafters are the diagonal members that directly support the roof deck. Roof Framing: Key Terms and Definitions Rafters This article provides step-by-step instructions for measuring, cutting, and erecting basic gable roof rafters.Ī singular rafter frame typically includes three components: However, building rafters for basic types of roofs like a gable or shed is relatively straightforward with some geometry and carpentry know-how. The roof framing process can get complicated for the uninitiated when it comes to complex roof shapes like the hip, mansard, and gambrel. Rafters also allow for maximum attic space once the structure is finished. Furthermore, individual framing members weigh less than fully built trusses, which means you need less muscle for the job. Rafters can save you on delivery costs and require minimal space for assembly.
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