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0430 Openings in Roofs - Roof Framing - Rafters Roof Joists and Ceiling Joists
 
0430 Openings in Roofs - Roof Framing - Rafters Roof Joists and Ceiling Joists -

Image Text: Plan view of roof framing > check all connections for weakness > header > trimmer > joists can be attached by joist hangers or end nailing > Double trimmers > opening is wider than 32 inches > Double headers > opening is wider than 48 inches > Engineer trimmers > opening is wider than 80 inches > Engineer headers > opening is wider than 128 inches

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