Arkansas Soft Pine 



a well-defined streak, or where fiber be- 

 tween grains is not saturated with pitch, 

 it shall not be considered a defect. 



A small pitch streak shall be equivalent 

 to not over 1/12 the width and 1/6 of the 

 length of the piece it is in. 



A standard pitch streak shall be equiva- 

 lent to not over 1/6 the width and l /$ of 

 the length of the piece it is in. 



WANE 



16. Wane is bark, or the lack of bark, 

 or a decrease of wood from any cause, on 

 the edge of the piece. 



SAP 



17. Bright Sap shall not be considered 

 a defect in any of the grades provided for 

 and described in these rules. The re- 

 striction or exclusion of bright sap con- 

 stitutes a special class of material which 

 can only be secured by special contract. 



18. Sap stain such as usually occurs in 

 the drying process, or which occurs as a 

 result of shipping lumber green, when so 

 ordered, shall not be considered a defect in 

 any of the grades of Common Lumber. 



CLOSE GRAIN 



19. "Close Grain." The term "close 

 grain" shall mean an average of not less 

 than six annular rings to the inch. 



DEFECTIVE GRAIN 



20. Chipped grain consists in a part of 

 the surface being chipped or broken out 

 in small particles below the line of the 

 cut, and, as usually found, should not be 

 classed as torn grain and shall not be con- 

 sidered a defect. 



Torn grain consists in a part of the 

 wood being torn out in dressing, and is of 

 four distinct characters slight, medium, 

 heavy and deep. 



Slight torn grain should not exceed 

 1/32 of an inch in depth, medium torn 

 grain 1/16 of an inch, and heavy torn 

 grain % of an inch. Any torn grain 

 heavier than Vs of an inch shall be termed 

 deep. 



Loosened grain consists in a point of 

 one grain being torn loose from the next 

 grain. 



MISCELLANEOUS 



21. Firm red heart shall not be con- 

 sidered a defect in any of the grades of 

 Common Lumber except as herein spec- 

 ified. 



22. Defects in rough stock caused by 

 improper manufacture and drying will re- 

 duce grades, unless they can be removed 

 in dressing such stock to standard size. 



23. All stock, except Dimension, shall 

 be inspected en the face side to determine 

 the grade. In stock surfaced one side 

 only, the dressed surface shall be con- 

 sidered the face side. Stock rough or 

 dressed two sides, or common boards cen- 

 ter matched, or shiplapped and S. 2 S., 

 the best side shall be considered the face 

 side, but the reverse side of all such 

 stock should not be more than one grade 

 lower. 



24. Imperfect manufacture in dressed 

 stock, such as torn grain, loosened grain, 

 slight skips in dressing, wane, broken 

 knots, mismatched, insufficient tongue or 

 groove on Flooring, Ceiling, Drop Siding, 

 etc., shall be considered defects, and will 

 reduce the grade according as they are 

 slight or serious in the effects on the use 

 of the stock. 



25. Pieces of Flooring, Drop Siding or 

 Partition, with 3/16 of an inch or more 

 of tongue, and pieces of Ceiling with */ 8 of 

 an inch or more of tongue, and pieces of 

 Shiplap with 5/16 inch of lap will be ad- 

 mitted in any grade. 



Pieces of Flooring, Drop Siding, Ceil- 

 ing or Partition, having not less than 

 1/16 of an inch tongue, will be admitted 

 in No. 2 Common. 



Pieces of Shiplap having less than 5/16 

 of an inch and not less than y$ of an inch 

 lap shall be admitted in No. 2 Common. 



One-sixteenth of an inch lap admitted 

 in No. 3 Common Shiplap. 



26. In all grades of D and Better 

 Flooring, and No. 1 Common and Better 

 Ceiling, Drop Siding, etc., wane on the 

 reverse side, equivalent to one-third the 

 width and one-sixth the length of the 

 piece, provided the wane does not ex- 

 tend into the tongue or groove, is ad- 

 missible. 



27. The grade of all regular stock shall 

 be determined by the number, character, 



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