Double 2x8 joists
[DOC File]Fire Service Ventilation (7th Edition)-All Chapter Numbers
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lumber. Joists are usually . 2x6 or 2x8 inch . and are covered with . 1x6 inch . sheathing. In sawtooth roofs, rafters are usually . 2x8 inches or larger . and use wood or metal supports for bracing. The growing use of . 2x4 inch . trusses with gusset plates and . 1/2 or 3/8 inch. plywood decking can present great hazards to firefighters.
[DOC File]Framing Roofs, with Larry Haun - CCSF
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-Joists on the edge are laid flat for drywall backing.-Site each board for the crown, which should be up.-Hold the board 1 1/2 from edge and toenail it down.-Mark and cu† pressure blocks and nail in joists and blocks.-Leave joists over new walls flat for drywall backing.-Toenail joists at …
[DOC File]FOREWORD - Quia
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Double joists occur under walls that were previously located on the floor plan. Foundation vents are often located under windows previously located on the floor plan. Girders may be placed under bearing walls located by the floor plan, Overall dimensions stated on the floor plan should agree with overall dimensions on the foundation plan ...
[DOC File]EXAMPLE 5 - HUD User
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The double 2x10 may be lap-spliced and vertically braced at or near mid-span; otherwise, a single 2x10 could be used to span continuously. The lap splice, when used to allow for shorter members, should be about 4 feet in length and both members face-nailed together …
Inspection Checklists
3.1.7 Double walls ... (rim / band joists are exempted) using one of the following options: ... R-30 batts in 2x8 cavities, R-38 batts in 2x10 cavities, and R-49 batts in 2x12 cavities. For example, in a home that requires R-19 floor insulation, an R-30 batt may be used in a six-sided 2x8 floor cavity.
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