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Home / Products / Div 06 17 00 — 06 17 00 / Mercer Cross-Laminated Timber (CLT)
Mercer Mass TimberDiv 06 · Wood, Plastics, CompositesNo manufacturer photo on file
Div 06 17 00 · 06 17 00

Mercer Cross-Laminated Timber (CLT)

Mercer Mass Timber · CLT3-090 / CLT3-105 / CLT5-139 / CLT5-150 / CLT5-175 / CLT7-191 / CLT7-245 / CLT9-315

Grades published as "1.4V 875 = V2", "1.4V 750 >= V3" and "1.8M >= E1". Eight standard layups in 3-, 5-, 7- and 9-ply. Thickness range 3.24 in (82.5 mm) to 12.40 in (315 mm); maximum panel 12 ft wide by 60 ft long. Species SPF, SYP and DF-L, with Hem-Fir described by the manufacturer as anticipated mid-2026 certification - RECORDED AS AN ANTICIPATED CERTIFICATION AND NOT AS A HELD ONE. CSI: payload said 06 17 00 (Shop-Fabricated Structural Wood) and NO RETRIEVED MERCER PAGE PRINTS A CSI NUMBER. Filed at the payload value rather than substituting a guess, per the run 709 rule that the address is read off the manufacturer document. NOTED FOR A LATER RUN: run 699 established from Nordic Structures ICC-ES ESR-4875 that the correct child section for CLT is 06 17 19. That is another manufacturer document, so it is recorded as the likely refinement rather than applied here. *** PLANT ATTRIBUTION IS INCONSISTENT ACROSS TWO PERMITTED FIRST-PARTY PAGES AND IS NOT RESOLVED HERE. The /products/ index attributes CLT product reports to CONWAY (APA PR-L347) and OKANAGAN (APA PR-L314, PR-L314(C)). The CLT product page states "Spokane and Conway facilities produce CLT". Okanagan and Spokane are different sites, so either a plant has been renamed or relocated, a report has been transferred, or one page is stale. BOTH STATEMENTS ARE CARRIED; NEITHER IS PREFERRED AND NEITHER IS DISCARDED. It matters because an APA product report is plant-specific - a specifier relying on PR-L347 needs to know which plant their panels come from. It is an ask in letter 133. *** DATASHEET DELIBERATELY NOT LINKED: robots.txt disallows every PDF on this host, so the APA product reports were NOT retrieved and their numbers are recorded as designations named by the manufacturer in permitted HTML, not as documents we hold.

✓ Verified 2026-09-11

Certifications & Standards

ANSI/APA Manufacturer states verbatim on the CLT product page: "ANSI/APA PRG 320 certified by APA and PFS-TECO". This is the exact standard, by number, that IBC 2021 2303.1.4 requires.
APA APA Product Report number printed in permitted HTML on the /products/ index, attributed there to Mercer Conway CLT. THE REPORT ITSELF WAS NOT RETRIEVED - every PDF on this host is disallowed by robots.txt. Number recorded as named by the manufacturer; contents unverified.
APA APA Product Report numbers printed in permitted HTML on the /products/ index, attributed there to Mercer Okanagan CLT. NOT RETRIEVED - PDFs disallowed. Contents unverified.
PFS-TECO PFS-TECO Building Product Evaluation Report number printed in permitted HTML on the /products/ index. NOT RETRIEVED - PDFs disallowed. Which Mercer products it covers is not stated in the HTML and is NOT assumed.
PEFC Chain-of-custody forest certification named on the /products/ index. No certificate number published. Sustainability claim, not a structural one.
FSC Named on the /products/ index. No certificate number published.
SFI Sustainable Forestry Initiative, named on the /products/ index. No certificate number published.
What was checked, and what is deliberately not claimed
Anticipated_not_held
Hem-Fir is described by the manufacturer as anticipated mid-2026 certification. It is recorded as anticipated and is NOT included in the certified species list. A future certification is not a certification.
No_fire_rating_claimed
NO fire-resistance rating, char rate, UL or Intertek design number, or ASTM E119 result is published on any permitted page, and NONE is claimed. Any hourly rating for a CLT assembly is a property of the tested assembly, not of the panel - the same refusal run 716 made on Carboline coatings and run 709 made on Metal Sales.
Code_compliance_claim_not_adopted
The /products/ index states the products are "Compliant with IBC, NBCC, and other North American codes". THAT BARE CLAIM IS NOT FILED AS LINKAGE AND CARRIES NO WEIGHT HERE. A manufacturer asserting IBC compliance in general names no section, no edition and no test, and is precisely the kind of unfalsifiable statement this library exists to replace. The linkage on this row rests entirely on the PRG 320 designation, which is checkable.
Attributes — product claims, not third-party certifications
cross-laminated timberCLTmass timberstructural panelANSI/APA PRG 320APA certifiedPFS-TECO certifiedType IV-HT

Sustainability

No sustainability metrics on file for this product.

Applies to Code Sections

Code sections where this product or product category is relevant. Click through to the viewer for full text and commentary.

Type IV-HT heavy timber constructionCLT floor, roof and wall panelsCLT in exterior wall assemblies rated 2 hours or less, subject to the 4 inch minimum of IBC 602.4.4.2