This timber is usually manufactured from kiln-dried fir, pine, or spruce. Here's another confusing anomoly when looking at choosing wood for framing, Canadian Lumber Standard timber commonly referred to as CLS wood timber became popular in Canada for building strong and durable timber-framed homes but is rarely referred to as CLS lumber in North America. The reason for this is planing some true dimensions can be found at lumber yards, referred to as 'rough' lumber or "rough sawn" as they are unplaned wood. The general rule of thumb: any width listed as 2" will actually be 1.5" and as for the depth, actual dimensions are. The real dimensions of light structural lumber and timber for framing homes:Ī constant source of confusion amongst DIY Home builders is lumber sizes, as commercially available 2x4" is actually 1.5" x 3.5", a 2圆 is actually 1.5" x 5.5". This technique is ecologically beneficial, as it makes use of short pieces of wood to create a finished product that is larger, more stable and easier to align, and is often combined with Glulam and CLT type products to make substantial timber structural elements for "Plyscrapers" etc - (see below). Finger-jointed lumber (also known as end-jointed and end-glued) is manufactured using short, dry pieces of wood that have been machined on each end and joined using a water repellent structural adhesive.Large dimensions of wood can support heavy loads and facilitate long spans, in addition to being surprisingly fire resistant.
Heavy timber refers to any dimensional lumber over 4.5" and is often used for post-and-beam construction or timber frame homes.Wood as a framing material is advantageous in that it doesn't undergo much transformation during processing, it has a low embodied energy, it's a renewable resource and it stores carbon. This timber is milled from softwood trees (spruce, fir and pine) that are sawn and machine-planed to standard dimensions (2x4", 2圆", 2x8", etc.). Light structural lumber is mainly used in the residential construction of single family homes.Standard SPF (spruce-pine-fir) lumber – Softwood wood choices: The list below outlines the different types of wood used as framing lumber most commonly used for house construction and increasingly in timber frames for multi-family low to mid-rise construction throughout the US and Canada. Its technical characteristics make it perfectly suitable when large spans are necessary. as well as in timber frame construction). Framing lumber choices for building homesįraming lumber, also known as structural wood, is the grade of wood used for house framing (studs, Larsen Trusses for Double-Stud walls, headers, roof trusses and floor joists, etc.
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