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The oak purlins have been air dried for quite some time thus significant lower risk of warping and a lovely, seasoned appearance.
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In timber construction, a purlin or rafter is the term used for the wooden beam in a roof structure that runs along the length of the roof trusses. The purlins span from one truss to another and support the roof. They are also known as beams or rafters. Girders are often sawn out of pine and can have dimensions of 8×15, 8×20, 10×20, or 10×25 cm.
Purlins are typically sawn out of pinewood, but it is also possible to saw them out of oak logs. It is important that the oak rafters are dried before application. Green oak purlins can warp due to the high moisture content in the wood. Therefore, it is recommended to use oak wood that have been air-dried. Air-drying oak rafters reduces the moisture content in the wood over time, resulting in wood with minimal potential for warping. An additional advantage is that the oak wood develops a beautiful appearance through natural seasoning.
The air-dried oak purlins and rafters are suitable for indoor applications.
air dried oak purlins