Structural plans for engineering drafting uses, Study Guides, Projects, Research of Structural Design and Architecture

Download Structural plans for engineering drafting uses and more Study Guides, Projects, Research Structural Design and Architecture in PDF only on Docsity! Framing a Roof Architectural Drawing Objectives • Define Ridge Board, rafter, hip, valley, sheathing, fascia, soffit, dormer, and pitch. • Label and identify the parts of a roof framing plan. Rafters • Rafters extend from the ridge beam down to the top plate of a wall. Transfers the roof load in the process. • Rafters give the roof its shape and definition. Fascia & Soffit • Fascia hides the end of the rafter. Protects from weather & pests. Nailable surface for gutters. • Soffit is the underside of a roof, balcony, or over hang. Gable Roof • A Gable Roof is when all rafters extend downward from the ridge board/beam. • No Hips or Valley’s. • Another default roof in archiCAD. Dormer • A Dormer is a roofed structure that is used to increase the livable area in a home. • Used in lofts and spaces where the roof pitch is steep leaving little room. • Often contains a window to allow natural light. Sheathing • Sheathing is a layer of plywood or OSB that covers and protects the structure. • Creates a nailable surface for roofing materials. • Prevents shear forces. Roof Pitch • The Roof Pitch is the numerical measure of how steep or shallow a roof is. • Vertical Rise over Horizontal Run. • In the U.S it is defined by the rise in inches to a 12” run. • Example: 3 inch rise per 12” run is a 3:12 pitch roof. • 4:12 through 9:12 are the most common pitches. Gable Roof Framed Hip & Valley Roof Valley Framed