The following information in reproduced exactly as it is printed in the book “NLGA (National Lumber Grades Authority) Standard Grading Rules for Canadian. lumber grading rules. The NLGA rule is approved and enforced by the Canadian Lumber. Standards Accreditation Board (CLSAB) and by the American Lumber. 1 Jan The NLGA Interpretations incorporate the National Grading Rule entirety. For other than the NGR portions of the NLGA Rules, NLGA.

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Insulating Cable Engineers Association. Institute of Electrical and Electronics Engineers. National Asphalt Pavement Association.

You must have JavaScript enabled in your browser to utilize the functionality of this website. The exposed face shall be all heartwood with many pieces being absolutely clear. Characteristics and limiting provisions are: International Concrete Repair Institute. Transportation Association of Canada. This grade may include stock too thin to dress in standard sizes.

American Iron and Steel Institute. The thick edge may contain light torn or raised grain. Full Length Bundling F. Some pieces may contain: This portion of the thin edge may gradign characteristics that will be covered when laid and will provide a suitable backing. British Board of Agrement. Traffic Engineering Council Committee.


NLGA Grading Rules

Corp of Engineers Specifications. Hamilton Hydro-Electric System Specifications. Western Red Cedar Finish is customarily shipped kiln dried and surfaced four garding. The thick edge permits minor characteristics that do not detract from the appearance of the piece in use.

The characteristics of the grade are the same as for one-piece stock. Illuminating Engineering Society of North America. Code of Federal Regulations. Additional requirements for which the producer is responsible are:. The text uses terminology that is not commonly used in the UK market, however to maintain the accuracy of the information gradlng have not made any changes.

International Municipal Signal Association. International Organization for Standardization. California Department of Transportation.

End-glued, edge-glued or a combination of end and edge-glued Bevel Siding gfading intended to be interchangeable in use value with one-piece stock of a comparable grade.

Society for Protective Coatings. Muncipal Engineers Association of Ontario.

Many pieces have a fine appearance on one side, the reverse side showing mlga or more numerous characteristics. Infraguide of Best Practices. National Concrete Masonry Association. Organisation for Economic Co-operation and Development.


Erosion Control Technology Council. Thick edge may be rough or surfaced. Glued-Up Bevel Siding End-glued, edge-glued or a combination of end and edge-glued Bevel Siding is intended to be interchangeable in use value with one-piece stock of a comparable grade.

All pieces in the bundle conform to the corresponding length of the bundle.


Canadian General Standards Board. American Society of Mechanical Engineers. American Society of Safety Engineers. Graeing seems to be disabled in your browser. International Slurry Surfacing Association. Factory Primed Bevel Siding Factory primed products shall be identified with nlgs stamp or label by the producer.

National Electrical Manufacturers Association. Additional requirements for which the producer is responsible are: Pieces of Panelling, Drop Siding and Ceiling run to pattern may be partially surfaced or hollow or scratched back. National Council Highway Research Program. American Society of Civil Engineers. Florida Concrete and Products Association. Goods and Services Identification Number.