Mass timber products

The structural, aesthetic, and biophilic properties of wood are limitless. Whether as a load-bearing element or interior finish, wood enhances the well-being of the people who use them.

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Heavy GLT
CLT floor components
Circulation components
CLT wall components
CLT roof components
Source material

Spruce-Pine-Fir 

Source material

Douglas-Fir-Larch

Source material

Southern-Yellow-Pine

Heavy GLTCLT floor componentsCirculation componentsCLT wall componentsCLT roof componentsSource materialSource materialSource material

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Mass Timber Showroom

CLT wall components

CLT roof components

CLT floor components

Heavy GLT components

Circulation components

Spruce-Pine-Fir

Douglas-Fir-Larch

Southern-Yellow-Pine

Customizable
Layups and Options

CLT-090
CLT3-105
CLT-150
CLT5-175
CLT9-315
CLT9-315
SPF
SPF
DFL
DFL
SYP
SYP

CLT Grades

1.4V 875 = V2, 1.4V 750 ≥ V3, 1.8M ≥ E1

Thickness

from 3.24 in (82.5mm) to 12.40 in (315mm)

Layup Options

3-, 5-, 7-, and 9-ply

Sizing

Maximum dimensions of 12 ft (3.66m) wide by 60 ft (18.28m) long

Species Groups

Spruce-Pine-Fir (SPF), Douglas Fir-Larch (DF-L), or Southern Yellow Pine (SYP).

Certifications

Our CLT is certified to ANSI/APA PRG 320- 2019 by PFS TECO

Visual Grade

Architectural Appearance (AA) surface classification for a highly finished look and Industrial Appearance (IA) for more rustic applications

GLT2-060
GLT3-090
GLT4-120
GLT5-150
GLT6-180
GLT8-240
GLT8-301x068
GLT8-301x089
GLT8-301x139
GLT9-270
GLT10-300
SPF
SPF
DFL
DFL
SYP
SYP

Manufactured GLT

CLT Grades

24F-V8, 20F-V7, 16F-V6 (DF)

Thickness

< 12” depth

Species Groups

Douglas-Fir (DF)

Visual Grade

Industrial Appearance (IA) for light framing applications

Fabricated GLT

CLT Grades

24F, 20F, 16F (DF, SPF, HF, SYP)

Thickness

> 12” depth

Species Groups

Douglas-fir (DF), Spruce-Pine-Fir (SPF), Hem Fir (HF), or Southern Yellow Pine (SYP)

Visual Grade

Architectural Appearance (AA) for heavy timber applications

Our GLT is certified to ANSI A190.1-2022 by PLIB

LAM-030
LAM-033
LAM-035
LAM-038
LUM-2x6
LUM-2x8
SPF
SPF
DFL
DFL
SYP
SYP

MMT LLFJ products are available in a variety of species, grades, and sizes.

Our finger-jointed lumber is certified to WWPA standards.

Documents

Product specifications

Access our library of articles, documents, FAQs, and press releases.

Source materials

We source our lumber from forests that are vetted for their sustainability practices, tight grain structure, integrity, and quality.

Spruce-Pine-Fir (SPF)

SPF is a versatile softwood lumber with high strength-to-weight ratio, stability, and ease of workability. We source SPF primarily from certified forests in western Canada and from the Rocky Mountains, Pacific Northwest, and Great Lakes regions in the United States.

Spruce-Pine-Fir (SPF)
Spruce Pine Tree Drawing

Douglas-Fir-Larch (DF-L)

DF-L is valued for its strength and natural resistance to decay and moisture. It is preferred in applications where higher weight and density are needed. We source DF-L primarily from the Pacific Northwest, the Rocky Mountains, and the interior of British Columbia.

Douglas Fir-Larch (DFL)
Douglas Fir Larch Tree Drawing

Southern-Yellow-Pine (SYP)

SYP is grown primarily in the southern United States and is known for its high strength and stiffness, natural resistance to decay and insects, and warm natural appearance.

Southern Yellow Pine (SYP)
Southern Yellow Pine Tree Drawing

Sustainability and Stewardship

Our factories have earned chain of custody certification from three of the leading agencies that promote sustainable and responsible forest management.

MMT offers certified products that will help you earn LEED® green building program credits.

Programme for the Endorsement of Forest Certification Logo

Programme for the Endorsement of Forest Certification

Forest Stewardship Council

Forest Stewardship Council®

Sustainable Forestry Initiative®

On-demand parametric design

MMT’s library of standardized components and assemblies can be combined to quickly explore options, enabling next-level design efficiency. With advanced software and end-to-end services, MMT streamlines the building process, reduces waste, and ensures consistency and design accuracy, offering a one-stop-shop for mass timber building solutions.

Looking for more information on our products?

Connect with our team about our high-quality mass timber products and discover how they can help you achieve your construction goals.

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How is mass timber made?

At MMT, we form our products by gluing and pressing wood into massive building components. Mass timber can also be made using nails (nail-laminated timber) or dowels (dowel-laminated timber) to join lamstock.

Design capabilities with mass timber

From exposed wood columns to sweeping, curvilinear roofs, the expressive potential of mass timber is boundless.

Discover the future of construction with our comprehensive guide to mass timber. Learn about the benefits, design and engineering impacts, construction and manufacturing techniques, and sustainable attributes of mass timber.

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