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Home > Cross Laminated Timber

The X-LAM Alliance provide a comprehensive in-house design, drawing, manufacturing and installation service for sustainable cross laminated timber structures delivering through a team of 50 highly experienced specialists in structural analysis, detailed solutions and building physics, consultancy, planning, CNC wood processing and logistics. The X-LAM Alliance team bring together an unrivalled level of knowledge from across the UK and Europe, providing an unparalleled service to aide in the development of cross laminated timber solutions for clients.

What is Cross Laminated Timber (CLT)

Cross laminated timber is a structural two-way spanning timber panel that can be used to form walls, roof and floor panels as well as shear walls. It is produced by laminating and finger jointing soft wood timber lamellas at 90° to the layer below, this can encompass between 3 and 27 layers. Using a formaldehyde free adhesive between each layer gives a safe and environmental solution. Due to the nature of Cross Lam construction, movement of the timber panels is dramatically reduced. Longitudinal and transverse movement is restricted to 0.01% and 0.025% per percentage change in moisture content respectively.

Cross laminated timber panels are available in Spruce, Douglas Fir and Larch and can be supplied as FSC® and PEFC-certified. 

Panels can currently be produced in widths up to 1.25m for BBS125 panels and 3.50m for BBSXL panels, with lengths up to 20m for BBS125 panels and 22m for BBSXL panels. Please note that transport restrictions will dictate the length of some panels.

Cross laminated timber panels are available in a number of thicknesses ranging from 60mm to 280mm. The thickness and number of laminations are dependent on a number of different factors such as loading conditions, span and required fire performance.

Cross laminated timber has amazing aesthetic appeal and is available in a wide variety of surface finishes. Higher quality finishes can be used where an exposed timber finish is desirable, while lower quality finishes can be specified where panels are hidden. For visible panels a sanded or brushed finish can be also applied.
Openings can also be pre-cut or routed in the factory for windows, doors or services with square corners where required for the quick and easy installation of doors and windows.

Cross laminated timber delivers maximum programme benefits, reduces maintenance and life cycle costs, whilst minimising the impact on the environment:

SPEED

  • Delivers programme certainty
  • Offers exceptional accuracy and minimal defects
  • Enhances construction programme
  • Offsite construction reduces weather dependency
  • Rapid large panel construction method

STRENGTH

  • Lightweight and robust
  • Achieves good clear span distances
  • Offers structural integrity

SUSTAINABLE

  • Minimises the impact on the environment
  • Delivers exceptional airtightness maximising energy efficiency
  • Contributes to the acoustic and thermal performance
  • Improves resource efficiency
  • Provides the ultimate sustainable solution

SAFE

  • Minimises on-site disruption
  • Improves onsite Health & Safety
  • Reduces working at height
  • BOPAS accredited system

FINANCIAL

  • Delivers cost certainty
  • Reduces capital and lifecycle costs
  • Delivers a faster return on investment




 

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Take a look at some of our technical videos - showcasing our latest projects, innovations and timber systems.

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Sustainable Solutions BskyB CLT Construction Specifier