2" and wider No. 1 No. 2 (No. 2 & Btr.) Most common: used in most construction. Show high strength, stiffness
and good appearance. Preferred for trusses, rafters, and joists.
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| Used in construction where high strength and appearance are not
important, such as studs in non-load bearing walls.
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2" to 4" wide Standard Common mix used in general framing work. Have less strength and
shorter spans than No. 2 & Btr. structural light framing.
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| Used most economically where high strenght is not important, such
as studs and plates in partition walls, blocking and bracing.
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| Used in temporary or low cost construction where strength and appearance
are not important
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2" and wider Most common grade intended for all stud uses.
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| Used in temporary or low cost construction where strength and appearance
are not important
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