426 SELLING LUMBER 



72. "B" CASING OR BASE shall admit the same defects 

 as are admissible in the same widths of "B" Finishing, except 

 wane. (See Sec. 42). 



73. "C" CASING OR BASE shall admit the same defects 

 as are admissible in the same widths of "C" Finishing, except 

 wane. (See Sec. 43). 



74. WINDOW AND DOOR JAMBS shall be graded the 

 same as Moulded Casing and Base. (See Sec. 34 for width). 



75. "B" AND BETTER MOULDING. One-third of any 

 item may contain any one of the following defects or its equiva- 

 lent: One pin knot, small pitch pockets, pitch 1 inch wide, 6 

 inches long; slight sap stain covering six inches of the length 

 of the piece; three pin worm holes; slight defects in dressing. 

 (See Sec. 28). Standard lengths: Eight feet and longer, and 

 in shipments of mixed lengths 5 per cent of 6 or 7 feet shall 

 be admitted, even though the number of feet of each length be 

 specifically stated. 



Sizes as per Southern Pine Association Moulding Book, 

 1916 Edition. 



COMMON BOARDS, SHIPLAP AND BARN SIDING. 



Sizes of Boards. One-inch S. 1 S. or 2 S. to 13/16, l%- 

 inch S. 1 S. or 2 S. to 1-1/16, 1^-inch, S. 1 S. or 2 S. to 1-5/16. 

 These thicknesses also apply to S. 4 S. 



All 1-inch Common lumber which is ordered dressed one 

 or two sides, one edge may be dressed to bring the width 

 %-inch scant of full width. 



Widths. . In stock width shipments of No. 1 Common, either 

 rough or dressed one or two sides, no piece should be counted 

 as standard width that is more than %-'mch scant on 8-inch 

 and under; ^-inch scant on 9 or 10-inch, or j^-inch scant on 

 11 or 12-inch or wider. Pieces narrower than this should be 

 measured as the next lower standard width and not reduced 

 in grade. ' Material when ordered worked two faces to serve 

 two purposes, like Grooved Roofing S. 2 S., Shiplap S. 2 S., 

 Center Matched S. 2 S., or one face, worked to a pattern, like 

 Barn Siding, shall be inspected from the best face; 1%-inch 

 and 1^-inch Common shall take the same inspection as 1-inch 

 boards. 



