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C-D EXTERIOR
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1/2"
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4X8, 4X9, 4X10
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5/8"
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4x8 SE AND T&G
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3/4"
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4X8 SE AND T&G
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1-1/8"
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4X8 SE AND T&G
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C-D EXTERIOR STRUC 1
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3/8"
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4X8, 4X9, 4X10
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1/2"
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4X8, 4X9, 4X10
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5/8"
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4X8 SE
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3/4"
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4X8 SE
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1-1/8""
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4X8 SE
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C-C EXTERIOR P&TS
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1/2"
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4X8
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5/8"
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4X8
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SE
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1-1/8"
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4X8
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SE
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Plywood is the original structural wood panel. It is composed of thin sheets of veneer laid up in cross-laminated layers. Sheathing panels are unsanded since a smooth surface is not a requirement of their intended end use. Other panels - Underlayment, Sturd-I-Floor, C-D Plugged, and C-C Plugged - require only touch sanding for "sizing" to make the panel thickness more uniform.
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OSB
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1/4"
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4X4 UL
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3/8"
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4X8, 4X9, 4X10
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1/2"
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4X8, 4X9, 4X10
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5/8"
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4X8 SE
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3/4"
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4X8 SE AND T&G
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OSB is composed of compressed strands arranged in layers oriented at right angles to one another. The orientation of layers achieves the same advantages of cross-laminated veneers in plywood.
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