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0426 Roof Spreading Remedial Action - Roof Framing - Rafters Roof Joists Ceiling Joists
 
0426 Roof Spreading Remedial Action - Roof Framing - Rafters Roof Joists Ceiling Joists -

Image Text: Perspective view > ridge sags in middle (not at ends - which are supported) > rafter ends bow out in middle > cross section > Case 1: ceiling joists parallel to roof rafters > properly secure overlapping ends of ceiling joists > Case 2: ceiling joists perpendicular to roof rafters > add ridge beam OR tie bottom of roof rafter back to several ceiling joists to transfer load

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STRUCTURE, Footings and Foundations, Description, Problems, Floors, Sills, Columns, Beams, Joists, Subflooring, Concrete Floor Slabs, Walls, Solid Masonry Walls, Wood Frame Walls, Masonry Veneer Walls, Arches and Lintels, Roof Framing, Rafters, Roof Joists and Ceiling Joists, Collar Ties, Knee Walls and Purlins, Trusses, Wood I Joists, Sheathing

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