38 / FRAME BUILDER - VOL7 NO2 XII. Door Headers and Framing A. Bearing Wall Headers B. Non-Bearing Wall Headers C. Overhead Door Framing D. Walk Door Framing E. Connection Requirements XIII. Window Framing A. Header Requirements B. Sill Requirements C. Jamb Framing D. Flashing and Weather Barrier Transitions XIV. Exterior Wall Cladding A. Metal Panel Systems B. Panel Profile C. Gauge D. Coating System E. Fastener Requirements F. Corrosion Isolation from Treated Lumber XV. Roofing Systems A. Metal Roofing B. Asphalt Shingles C. Underlayment D. Roof Decking E. Spacer Systems F. Fastener Requirements XVI. Concrete Slabs-on-Grade A. Concrete Strength B. Slab Thickness C. Reinforcement D. Vapor Retarder E. Connection Requirements 1. Fastener Size 2. Fastener Type 3. Hanger Requirements X. Permanent Building Bracing A. Wall Bracing B. Roof Bracing C. Diaphragm Design 1. Roof Diaphragm 2. Wall Diaphragm D. Bracing Materials 1. Steel Strap Bracing 2. Dimensional Lumber E. Fastener Requirements XI. Structural Analysis and Design A. Load Paths B. Structural Modeling Assumptions C. Serviceability Requirements 1. Deflection Limits 2. Drift Limits D. Main Frame Design 1. Trusses 2. Columns 3. Foundations 4. Diaphragms 5. Connections E. Secondary Framing Design 1. Girts 2. Purlins 3. Sheathing F. Bracing Analysis 1. Brace Forces 2. Stability Requirements B. Snow Load Considerations 1. Drift Loading 2. Sliding Snow 3. Step Roof Conditions 4. Unbalanced Loading C. Geometry 1. Truss Spacing 2. Heel Height 3. Roof Pitch D. Permanent Bracing 1. Top Chord Bracing 2. Bottom Chord Bracing 3. Web Bracing E. Truss Connections 1. Uplift Connections 2. Mechanical Fasteners 3. Steel Connectors F. Load Transfer Path 1. Roof to Truss 2. Truss to Carrier 3. Carrier to Column 4. Column to Foundation IX. Roof Purlins A. Size B. Spacing C. Configuration 1. Flat 2. On Edge 3. Joist Hanger Supported D. Species and Grade RESEARCH & TECHNOLOGY THE OFFICIAL NFBA MAGAZINE
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