434 SELLING LUMBER 



YELLOW PINE LATH. 



103. No. 1 LATH should measure 2 inches in thickness 

 to every five lath, green. The minimum thickness of any one 

 lath shall not be less than 5/16 of an inch, green, and should 

 not be less than 1-7/16 inches, in width, green, length 4 feet; 

 1^ inches thickness to every five lath, dry, and should not 

 measure less than 1-5/16 inches in width when dry. Will ad- 

 mit wane ^-inch deep, %-inch on face and 6 inches long; pin 

 worm holes and one pin knot. Must not be more than ^-inch 

 short in length. Blue sap stain shall not be considered a de- 

 fect. 



Lath 1 inch wide and 48 inches long may be furnished when 

 ordered on the above specifications. 



Lath 32 inches long may be furnished when ordered on the 

 above specifications. 



104. No. 2 LATH shall consist of pieces that fall below 

 the grade of No. 1 which are not less than 1% inches in width, 

 y$ of an inch thick, when dry, and are not more than %-inch 

 short in length. Will admit wane, worm holes, knots and other 

 defects that will not prevent their use without waste. 



BYRKIT LATH. 



Sizes. 24x3^ and 5% inches wide ; lengths 4 feet and up- 

 ward. 



105. STANDARD BYRKIT LATH shall consist of ma- 

 terial that will be held firmly in place and support plaster by 

 ordinary nailing, by not wasting more than 10 per cent of any 

 piece and that will present a full surface with no openings over 

 ^2-inch in width and 3 inches in length. The ends of pieces 

 of Byrkit Lath are not expected to meet on studding, and only 

 such quantity shall be counted waste as is necessary to remove 

 a defect. 



STANDARD SIZES OF DRESSED LUMBER. 



106. Finishing shall be dressed to the following sizes: 

 1-inch S. 1 S. or 2 S. to 13/16. 



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

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



2-inch S. 1 S. or 2 S. to 1 j inches. These thicknesses also 

 apply when S. 4 S. 



