Wood Handbook, Wood as an Engineering Material

International (formerly the American Society for Testing and Materials) and American Wood Protection Association (AWPA) preclude ...

products may be reduced in strength to a greater extent than is lumber. This additional effect on fiber-based composites may be ...

Early stages of decay are virtually impossible to detect. For example, brown-rot fungi may reduce mechanical proper- ties in exc ...

FPL–RP–283. Madison, WI: U.S. Department of Agricul- ture, Forest Service, Forest Products Laboratory. 24 p. Gerhards, C.C. 1979 ...

Wilson, T.R.C. 1921. The effect of spiral grain on the strength of wood. Journal of Forestry. 19(7): 740–747. Wilson, T.R.C. 193 ...

CHAPTER 6 Commercial Lumber, Round Timbers, and Ties David E. Kretschmann, Research General Engineer When sawn, a log yields rou ...

General Technical Report FPL–GTR– 190 Hardwood Lumber The principal use of hardwood lumber is for remanufacture into furniture, ...

Chapter 6 Commercial Lumber, Round Timbers, and Ties Standard Dimensions Standard lengths of hardwood lumber are in 305-mm (1-ft ...

If the width is specified by purchase agreement, S1E or S2E lumber is 10 mm (3/8 in.) scant of nominal size in lumber less than ...

Chapter 6 Commercial Lumber, Round Timbers, and Ties Table 6–3. Nomenclature of commercial hardwood lumber Commercial name for l ...

diameter; must permit proper laying of floor and pro- vide a serviceable floor; few restrictions on imperfec- tions; must be pos ...

construction and manufacture. In this role, softwood lum- ber has been produced in a wide variety of products from many differen ...

Structural Lumber—Almost all softwood lumber standard 38 to 89 mm thick (nominal 2 to 4 in. thick, actual 1-1/2 to 3-1/2 in. thi ...

Chapter 6 Commercial Lumber, Round Timbers, and Ties Table 6–5. Organizations promulgating softwood grades Name and address Spec ...

be made to industry sources, such as certified grading rules. Availability and grade designation often vary by region and specie ...

Surfacing Lumber can be produced either rough or surfaced (dressed). Rough lumber has surface imperfections caused by the pri- m ...

(Table 6–5) should be contacted for questions regarding combination names and species not listed in Table 6–7. Species groups ar ...

Chapter 6 Commercial Lumber, Round Timbers, and Ties Table 6–7. Nomenclature of principal commercial softwood lumber Commercial ...

Table 6–7. Nomenclature of principal commercial softwood lumber—con. pond pine Pinus serotina shortleaf pine Pinus echinata slas ...

Chapter 6 Commercial Lumber, Round Timbers, and Ties Table 6–7. Nomenclature of principal commercial softwood lumber—con. black ...