Integrated Partner

Design with XLam Cross Laminated Timber

XLam manufactures CLT for mass timber, integrated into SPEC Toolbox with manufacturer production data on every panel. Size, verify and specify an XLam floor, roof or wall build-up into the project you're designing, verified to AS 1720.1 in Australia and the NDS in the US. Every value comes from XLam's PEFC-certified feedstock and production specification, not a generic catalogue number.

Start Designing for Free → Powered by SPEC Toolbox. Real PEFC-certified production data on every part.
  • 15 calcs
    CLT tools available
  • 6,000 +
    Engineers using SPEC
  • 12 +
    EU CLT & fastener brands
  • 100 % free
    Browser-based · no download
Integrated product system available now in Australia.

The XLam system, ready to design

Integrated product system available now in Australia.

Australia
CLT (cross-laminated timber) design icon
CLT

CLT

AS 1720.1 (NZS AS 1720.1:2022 in New Zealand) Calculator →
In their words

Why XLam builds on SPEC

“XLam takes immense pride in being at the forefront of the mass timber movement in the Australasian market. Our unwavering commitment to progress includes supporting initiatives like SPEC Toolbox, and reflects our dedication to driving positive change in the industry. Education has emerged as a crucial challenge, and we believe our collaboration with SPEC Toolbox holds significant promise to continue the momentum towards wider use of mass timber.”

Kieran Hayes, Technical Senior Engineer, XLam

Spectoolbox

About XLam

Established in 2012, XLam emerged as the pioneering supplier of Cross Laminated Timber (CLT) in the Southern Hemisphere, with a manufacturing facility in Wodonga at the NSW/Victoria border. XLam has completed over 1,000 projects throughout the Australasia region.

XLam’s PEFC certified, sustainably sourced radiata pine feedstock is secured through sister company Hyne. In CLT construction, XLam uses proprietary grades XLG1 (outer lamellas, similar to MGP10) and XGP2 (inner lamellas, similar to MGP6).

Frequently asked questions

Design With XLam

Is the XLam calculator free to use?
Yes. XLam calculators on SPEC Toolbox runs free in the browser. No download, no licence, no account needed to design and verify with real manufacturer data.
What standard are XLam CLT designed to?
XLam CLT is verified to AS 1720.1 in Australia and the NDS in the US.
Which XLam products are integrated?
CLT is integrated for Australia and the USA. 1 product system in total.
Can I design connections into XLam CLT using any supplier's screws or brackets?
Yes. The calculator lets you pair XLam CLT with screws or brackets from any integrated supplier, verifying the connection against XLam's real material properties.
Where does the capacity data come from?
Directly from XLam's PEFC-certified production data. Nothing is averaged or re-derived.
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