Glued laminated timber, also called glulam, is a type of structural engineered wood product comprising a number of layers of dimensioned lumber bonded together with durable, moisture-resistant structural adhesives.
By laminating a number of smaller pieces of lumber, a single large, strong, structural member is manufactured from smaller pieces. These structural members are used as vertical columns or horizontal beams, as well as curved, arched shapes. Glulam is readily produced in curved shapes and it is available in a range of species and appearance characteristics to meet varied end-use requirements. Connections are usually made with bolts or plain steel dowels and steel plates.
Glulam optimizes the structural values of a renewable resource – wood. Because of their composition, large glulam members can be manufactured from a variety of smaller trees harvested from second- and third-growth forests and plantations. Glulam provides the strength and versatility of large wood members without relying on the old growth-dependent solid-sawn timbers. As with other engineered wood products, it reduces the overall amount of wood used when compared to solid sawn timbers by diminishing the negative impact of knots and other small defects in each component board.
Glulam has much lower embodied energy than reinforced concrete and steel, although it entails more embodied energy than solid timber. However, the laminating process allows timber to be used for much longer spans, heavier loads, and complex shapes. Glulam is one tenth the weight of steel and one sixth the weight of concrete – the embodied energy to produce it is one sixth of that for a comparable strength of steel. Glulam can be manufactured to a variety of straight and curved configurations so it offers architects artistic freedom without sacrificing structural requirements.
The high strength and stiffness of laminated timbers enable glulam beams and arches to span large distances without intermediate columns, allowing more design flexibility than with traditional timber construction. The size is limited only by transportation and handling constraints.
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Contracts Completed (Such As):
Ihub building Daventry (Winvic construction)
Parrinder hides RSPB titchwell (Carters)
Black wall tunnel vent shaft roofs (Bam)
Marks & Spencers, Ellesmere port (Simons)
Big or Small Project - We Treat Them All The Same
PJS Timber Constructions specialise in construction services such as timber frame buildings, roof truss work, floor joists, glulam erection and more. With over 6 years experience in this fields alone we carry out, all fit out work, including: 1st and 2nd fix and finals.
We're based in Merseyside and work on both local and national projects.
We believe, with our highly skilled team and qualifications, we can deliver a wider range of joinery & construction services at the highest and safest standards in the industry.
We pride ourselves on contracts being completed on time, on budget and most importantly SAFE.
We also have an independent HSE executive who works along side us when and where we need him.
We've Been Building For Over 6 years
We are accredited to the highest standards - all of our employees are fully competent in their specialised skillset - You're in safe hands - Trust the professionals.