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General-This Product Standard covers the principal trade classifications and sizes of softwood lumber for yard, structural, and shop use. It provides a common basis of understanding for the classification, measurement, grading, and grade marking of rough and dressed sizes of various items of...
General This Voluntary Product Standard establishes and maintains, through a consensus process and in the public interest, standard sizes (both in metric1 and conventional units) and general requirements for developing grades of softwood lumber. It is implemented through an internationally...
This Standard specifies requirements pertaining to the quality and uniformity of softwood lumber manufactured in Canada and establishes the designation "Canadian Standard Lumber" for lumber that meets the requirements of this Standard. This Standard covers the following topics:...
This standard shall govern the treating procedure, the minimum retentions and penetrations to be obtained, and the physical condition of the lumber when pressure treating industrial water-cooling tower lumber. Treatment shall be in accordance with the American Wood Protection...
3.1 Need for Lumber Grading: 3.1.1 Individual pieces of lumber, as they come from the saw, represent a wide range in quality and appearance with respect to freedom from knots, cross grain, shakes, and other characteristics. Such random pieces likewise represent a wide range in...
3.1 Need for Lumber Grading: 3.1.1 Individual pieces of lumber, as they come from the saw, represent a wide range in quality and appearance with respect to freedom from knots, cross grain, shakes, and other characteristics. Such random pieces likewise represent a wide range in...
Need for Lumber Grading: Individual pieces of lumber, as they come from the saw, represent a wide range in quality and appearance with respect to freedom from knots, cross grain, shakes, and other characteristics. Such random pieces likewise represent a wide range in strength,...
4.1 The purpose of this standard is to provide common tree names and botanical names for commercial species and species groups but is not intended to be all inclusive of commercial practice. The decision about which commercial species are included in this practice is made by the D07 committee on...
The purpose of this standard is to provide common tree names and botanical names for commercial species and species groups but is not intended to be all inclusive of commercial practice. The decision about which commercial species are included in this practice is made by the D07 committee on wood....
This practice covers the principles and procedures for establishing allowable stress values for bending, tension parallel to grain, compression parallel to grain and modulus of elasticity values for structural design from "In-Grade" tests of full-size visually graded solid sawn dimension...
4.1 The procedures described in this practice are intended to be used to establish allowable stress and modulus of elasticity values for solid sawn, visually graded dimension lumber from In-Grade type test data. These procedures apply to the tested and untested sizes and grades when an...
1.1 Due to the number of specimens involved and the number of mechanical properties to be evaluated, a methodology for evaluating the data and assigning allowable properties to both tested and untested grade/size cells is necessary. Sampling and analysis of tested cells are covered in Practice D...
1.1 Due to the number of specimens involved and the number of mechanical properties to be evaluated, a methodology for evaluating the data and assigning allowable properties to both tested and untested grade/size cells is necessary. Sampling and analysis of tested cells are covered in Practice...
The procedures described in this practice are intended to be used to establish allowable stress and modulus of elasticity values for solid sawn, visually graded dimension lumber from In-Grade type test data. These procedures apply to the tested and untested sizes and grades when an adequate...
4.1 The procedures described in this practice are intended to be used to establish allowable stress and modulus of elasticity values for solid sawn, visually graded dimension lumber from In-Grade type test data. These procedures apply to the tested and untested sizes and grades when an...
4.1 The procedures described in this practice are intended to be used to establish allowable stress and modulus of elasticity values for solid sawn, visually graded dimension lumber from In-Grade type test data. These procedures apply to the tested and untested sizes and grades when an...
Introduction Glued laminated timber (glulam) beams of equal or greater strength and stiffness can often be substituted for sawn lumber or steel beams. This APA publication provides tables for equivalent glulam beams. APA - The Engineered Wood Association offers a comprehensive set of...
1.1 This test method is designed to evaluate adhesives for finger jointing lumber used in the manufacture of structural glued laminated timber. It tests the tensile strength of joints under the following treatments; dry with no treatment, wet after one vacuum-pressure soak treatment, and wet...
