分等认证章 Grading Stamps
规格材每600mm有一个分等认证章 Grading stamps are placed on lumber every 600mm (2 ft.) 只有经认证的机构才能敲章 Only issued by accredited associations or agencies
工字型搁栅 Wood I joists
木基覆面板材 Wood Based Sheathings
在轻型木结构中广泛使用,也可以和 轻型钢结构一起使用 Widely used in wood-frame construction and in combination with steel framing 墙骨柱、搁栅和椽条之间的跨度 Spans between studs, joists and rafters 可以提高墙体、楼盖和屋顶抵抗振动、 静荷以及地震作用的能力 Contributes to racking, load bearing and earthquake resistance of wall, floor and roof assemblies
规格材分等 Grading Lumber
加拿大的规格材有目测分等和机械分等(MSR) Lumber in Canada visually graded or machine stress rated (MSR) 分等依据 Select structural
高强度 Highest strength 良好的外观 Best appearance
Courtesy of the Structural Board Association
其它覆面板产品 Other Sheathing Products