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SPF manufacturers

The SPF grades produced by SPF manufacturers are: Class J surface appearance visual inspection. No defects, no defects, no bending, bowing, distortion. Strength and appearance are the main characteristics. Used in buildings, ...

SPF manufacturers

The SPF grades produced by SPF manufacturers are: Class J surface appearance visual inspection. No defects, no defects, no bending, bowing, distortion. Strength and appearance are the main characteristics. Used in buildings, house frames, floor joists and wall assemblies. Right angle grade, surface appearance / visual inspection. Very few defects, very few defects, minimal bending, bowing and distortion. Strength and appearance are the main characteristics. Wall column grade, using NLGA to classify the wall column, no visual inspection. There are only defects, defects, bends, bows and distortions allowed by the NLGA grading standards. Vertical strength is the main characteristic. Standard building materials for North America. Used in most building construction in the United States. Used in housing frames, only for vertical use. Form the support of the floor and wall structure of the house. Level 2 of the NLGA classification rules, no visual inspection. There are only defects, defects, bends, bows and distortions allowed by the NLGA grading standards. Strength is the main characteristic. Covered with NLGA's Class 2 print. Standard building materials for North America. Used in most building construction in the United States. Used in house frames, floor joists and wall assemblies.


(from:www.cstimber.com
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