2x6-12' Joist Headers
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Treated lumber may be thicker than 1-1/2". Take this into account when cutting the length of
floor joists. Shorten joist measurements if necessary to obtain 14'-0" building width.
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Suggested Constructing Details for Heavy Duty Floor System
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15-1/4"
16"
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2x4-2' Blocks
2x6-12' Joist Header
13'-9" Long 2x6' Floor Joist
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12' Floor Section
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Space equality apart or if storing a car or heavy tractor,
locate runners under the tires.
