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michaela

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Posts:1

02/14/2007 1:48 AM
Hi! I'm new and need to know the meaning of some terms I've in read in some construction books and in this forum. I hope you'll help me: 2xs means sticks 2" width? O.C. = ? Thank you in advance and best regards!

vermaraj

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Posts:34

02/14/2007 11:02 AM
2x refers to the nominal thickness of framing lumber as in 2x4 is nominal 2" thick and nominal 4" wide but a 2x4 is actually 1.5" thick and 3.5" wide This standard continues to 2x6, 2x8 and above have smaller widths, a 2x8 is actually 1.5x7.25 o.c. stands for on center meaning two 2x4s placed 16" oc in a typical wall would be: 16" measured from the center of one stud to the center of the next stud, 17.5" measured from the outside edge to outside edge, and 14.5" measured from inside edge to inside edge.

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