SHIPLAP (INCH) Woods Thickness and Width (Inches) White and Norway Pine (Nor. Pine Mfrs. Ass'n) 1x8 is 25/32x7* F; lx10 is 25/32x9* F; 1x12 is 25/32x 11* F.
North Carolina Pine (Nor. Car. Pine Ass'n) 1x8 is 13/16x71 F; lx10 is 13/16x91 F.
Longleaf Pine (Ga.-Fla. Sawmill Ass'n) 1x8 is 25/32x7* F; lx10 is 25/32x9* F.
Longleaf and Shortleaf Pine (Yellow Pine Mfrs. Ass'n) 1x8 is ix7* F; lx10 is ix9* F; 1x12 is kxll* F.
Cypress and Tupelo (So. Cypress Mfrs. Ass'n) 1x8 is 13/16x7 F; 12(10 is 13/16 x9 F; 1x12 is 13/16x11 F.
Douglas Fir, Western Hemlock, Cedar and Spruce (West Coast Lbr. Mfrs.
Ass'n) 1x8 is kx7 F; 1x10 is ix9 F; lx 12 is ix11 F.
Hemlock and Tamarack (Nor. Hem. & Hdw. Mfrs.
Ass'n) lx8 is 13/16x71 F; 1x10 is 13/16x91 F; 1x12 is 13/16x 111 F.
Idaho White Pine, Western Pine, Fir and Larch (West. Pine Mfrs. Ass'n) 1x8 is ix7 F; 1x10 is kx9 F; 1x12 is kill F.
Redwood 1x4 Is 13/16x3k F.
Boards (INCH) Woods Thickness White and Norway Pine (Nor. Pine Mfrs. Ass'n) S-1-S or S-2-S to 25/32". North Carolina Pine (Nor. Car. Pine Mfrs.
Ass'n) S-1-S to i", S-2-S to 13/16". Longleaf Pine (Ga.-Fla. Sawmill Ass'n) S-1-S or S-2-S to 13/16". Longleaf and Shortleaf Pine (Yellow Pine Mfrs. Ass'n) Same as above. Cypress (So. Cypress Mfrs. Ass'n) Same as above.
Douglas Fir, Western Hemlock, Cedar and Spruce (West Coast Lbr. Mfrs.
Ass'n) S-1-S or S-2-S to 1".
Hemlock and Tamarack (Nor. Hem. & Hdw. Mfrs. Ass'n; Mich. Hdw. Mfrs.
Ass'n) S-1-S or S-2-S to 13/16".
Redwood S-1-S to 13/16".
Sugar and California White Pine S-2-S to i". Eastern Hardwoods (Nat. Hdw. Lbr. Ass'n; Hardwood Mfrs. Ass'n) S-2-S to 13/16".
Dimension (2-INCH, S-1-S-1-E) S-1-S-1-E = Surfaced one side and one edge.
Woods Thickness and Width (Inches) White and Norway Pine (Nor. Pine Mfrs. Ass'n) 2x4, 6, 8, 10 and 12, S-1-S-1-E to 11x31, 51, 71, 91 and 111.
North Carolina Pine (Nor. Car. Pine Mfrs. Ass'n) . 2x4, 6, 8, 10, and 12, S-1-S-1-E to 11x31, 5L 71, 91, and 111.
Longleaf Pine (Ga.-Fla. Sawmill Ass'n) 2x4, 6, 8, 10, and 12, S-1-S-1-E to 11x31, 51, 71, 91, and 111.
Cypress (So. Cypress Mfrs. Ass'n) Same as above.
Longleaf and Shortleaf Pine (Yellow Pine Mfrs. Ass'n) 2x4, 6, 8, 10 and 12, S-1-S-1-E to 13x33, 53, 73, 93 and 113.
Douglas Fir and Western Hemlock (West Coast Lbr. Mfrs.
Ass'n) 2x4, 6, 8, 10 and 12, S-1-S-1-E to 13x33, 53, 71, 93 and 113.
Hemlock and Tamarack (Nor. Hem. & Hdw. Mfrs.
Ass'n) 2x4, 6, 8, 10 and 12, S-1-S-1-E to 13x33, 53, 73, 93 and 113.
Idaho White Pine, Western Pine, Fir and Larch (West. Pine Mfrs. Ass'n) 2x4, 6, 8, 10, 12 and 14, S1-S-1-E to 13x33, 53, 73, 93, 113 and 133.
Sugar and California White Pine S-2-S to 13".
Dimension (3-INCH, S-1-S OR S-2-S) Woods Thickness White and Norway Pine (Nor. Pine Mfrs. Ass'n) S-1-S or S-2-S to 23". North Carolina Pine (Nor. Car. Pine Mfrs. Ass'n) S-1-S or S-2-S to 23". Longleaf Pine (Ga.-Fla. Sawmill Ass'n) S-1-S or 8-2-S to 2r. Longleaf and Shortleaf Pine (Yellow Pine Mfrs. Assn) 8-1-S to 23"; 5-2-S to 23". Cypress (So. Cypress Mfrs. Ass'n) S-1-S or S-2-S to 23".
Douglas Fir and Western Hemlock (West. Coast Lbr. Mfrs.
Ass'n) S-1-S or S-2-S to 23". Hemlock and Tamarack (Nor. Hem. & Hdw. Mfrs.
Ass'n) S-1-S or S-2-S to 23". Western Pine, Fir and Larch (West. Pine Mfrs. Ass'n) S-1-S or S-2-S to 23". Sugar and California White Pine S-2-S to 23".
Hardwood SIZES The standard sizes adopted by the National Hardwood Lumber Association are as follows: Standard Lengths Standard lengths are 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, and 16 feet; but not over 15 per cent of odd lengths are admitted.
In the grade of Firsts and Seconds the lengths are 8 to 16 feet; but there must not be more than 20 per cent under 12 feet, and not to exceed 10 per cent of 8 and 9-feet lengths.
Standard Thicknesses The standard thicknesses of hardwood lumber are: 1/4, 1, 2, 3, 4, 5, and 6 inches.
The standard thicknesses for surfaced lumber are as follows: Rough Surfaced Rough Surfaced %" S-2-3 to " 1%" S-2-S to 1% " %" S-2-S to 2 11 S-2-S to 1% " %" S-2-S to " 21/2" S-2-S to 2% " S-2-S to 3 " S-2-S to 2%." 1 " S-2-S to f " 3%" S-2-S to 3%" S-2-S to 4 " S-2-S to 3%4•" 15i" 8-2-S to 111" Lumber surfaced one side only must be 1/16 inch full of the above thicknesses.
The standard sizes for hardwood lumber surfaced two sides adopted by the Hardwood Manufacturers Association are as above, except that these manufacturers work stock to 7/32 inch instead of 3/16 inch.