Integrated Partner

Design with Mercer CLT & Glulam

Mercer manufactures CLT and glulam for mass timber, integrated into SPEC Toolbox with manufacturer production data on every panel. Size, verify and specify a Mercer floor or wall build-up into the project you're designing, verified to the NDS. Every value comes from Mercer's own production specification, not a generic catalogue number. Mercer operates across Germany, Canada, the United States and Australia, combining large-scale sawmill production with advanced engineered wood manufacturing.

Explore The Integrations → Powered by SPEC Toolbox. Real manufacturer 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 the USA.

The Mercer system, ready to design

Integrated product system available now in the USA.

Canada
CLT (cross-laminated timber) design icon
CLT

CLT

CSA O86 (CSA O86:19) Calculator →
USA
CLT (cross-laminated timber) design icon
CLT

CLT

the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator →
Canada
Glulam beam and column design icon
Glulam

Glulam

CSA O86 (CSA O86:19) Calculator →
USA
Glulam beam and column design icon
Glulam

Glulam

The NDS (ANSI/AWC NDS) under the IBC / IRC Calculator →
Spectoolbox

About Mercer

Mercer is a global forest products company with a growing presence in timber and mass timber construction, operating across Germany, Canada, the United States, and Australia. Through Mercer Timber Products and Mercer Mass Timber, the company combines large-scale sawmill production with advanced engineered wood manufacturing.

Mercer’s flagship timber and mass timber portfolio includes quality softwood lumber, cross-laminated timber (CLT), and glue-laminated timber (glulam). The company states it operates one of the world’s largest sawmill operations, with annual lumber production capacity of 550 million board feet, while Mercer Mass Timber offers standardized and custom CLT and glulam solutions.

Frequently asked questions

Design With Mercer

Is the Mercer calculator free to use?
Yes. Every Mercer calculator on SPEC Toolbox runs free in the browser. No download, no license, no account needed to design and verify with real manufacturer data.
What standard are Mercer CLT designed to?
Mercer CLT and GL are verified to the NDS.
Which Mercer products are integrated?
CLT & glulam is integrated for the USA and CA. 4 product system in total.
Can I design connections into Mercer CLT using any supplier's screws or brackets?
Yes. The calculator lets you pair Mercer CLT and GL with screws or brackets from any integrated supplier, verifying the connection against Mercer's real material properties.
Where does the capacity data come from?
Directly from Mercer's published production specification. Nothing is averaged or re-derived.
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