western lumber 4x12 floor joist span tables

Span Tables. Spans for Western Red Cedar dimension lumber used as joists and rafters in residential and commercial structures are available from the Western Red Cedar Lumber Association the Canadian Wood Council and the National Association of Home Builders. Please request publication The U.S Span Book for Canadian Lumber. Cost $10. 【Get Price】

Floor Joist Span Tables for various Sizes and Species of Wood. Joist span table - Use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs/ft 2 or 40 lbs/ft 2. These tables can also be used to determine deck joist span. 【Get Price】

information on Western lumber end uses to lumber buyers throughout the world and publishes a variety of statistical reports on Western lumber production distribution and consumption. The Member companies of WWPA support the many programs that assist buyers in specifying and using Western lumber prod-ucts. 【Get Price】

Wood frame construction relies on the lumber design values and allowable span tables published in building codes and standards and industry technical publications. Design values for Western softwood structural lumber are computed in accordance with ASTM standards based on clear-wood tests or on tests of full-size pieces in specific grades ... 【Get Price】