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0425 Roof Spreading - Roof Framing - Rafters Roof Joists and Ceiling Joists
 
0425 Roof Spreading - Roof Framing - Rafters Roof Joists and Ceiling Joists -

Image Text: Perspective view > ridge sags in middle (not at ends - which are supported) > rafter ends bow out in middle > One possible result > rafter slips freely past wall > look for cracks here > Another possible result > top of wall pushed out with rafter > look for cracks here > cross-section in middle of roof

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Image courtesy of Carson Dunlop. To purchase images, go to CarsonDunlop

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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