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MBI Issues Policy Position on Tariffs & Their Impact on Modular Construction. Read the statement here.

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Vision Modulr Construction and Tide Construction teamed through Modular Building Institute to build the world's tallest modular building in Croydon, UK

Why Modular?

Modular construction is a process in which a building is constructed off-site, under controlled plant conditions, then assembled on location. But why choose modular?

Working in a modular building factory

Modular Advocacy Program

Support the industry's efforts to expand modular construction and develop the next generation of industry professionals.

Two portable crisis buildings supplied through MBI members set up outside a medical center

Crisis Response

The modular construction industry plays a vital role following humanitarian and natural disasters, assisting with both short-term relief and longer-term rebuilding efforts.

Modular construction workers putting the finishing touches on a building module with a crane in the background ready to pick up the finished product

Industry Analysis

MBI gathers and distributes the most comprehensive information about the size and growth of the commercial modular construction industry.

MBI Learning Center

Learning Center

The MBI Learning Center offers a comprehensive introduction to the commercial modular construction industry, including terminology and concepts.

Welcome to the Modular Building Institute

Founded in 1983, the Modular Building Institute (MBI) is the international non-profit trade association serving the modular construction industry. Members are manufacturers, contractors, and dealers in two distinct segments of the industry - permanent modular construction (PMC) and relocatable buildings (RB). Associate members are companies supplying the modular construction industry with building components, services, and financing. MBI has expanded its membership over the years to include architects, owner/developers, and general contractors, and collectively the members of the Modular Building Institute are designing and building the future of the modular/offsite construction industry.

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Modular Headlines

New PAC-Shield CV Roof Vent Improves Efficiency, Extends Roof Life

Proctor Group Supplies Membrane Products to Social Bite Villages

Oregon’s Prevailing Wage Proposal: A Wake-Up Call for Modular Construction

CertainTeed Expands Serviceable Geography of Offsite Construction Solution

Spotlight on the Future: MBI Hosts Tremco’s Rising Stars at 2025 World of Modular

FlexDecks Launches RightWay Pro: Revolutionizing Building Access with Premium, Direct-From-Factory Modular Entrance Systems

Inside Modular Podcast

Latest Episode: From Bespoke Tiny Homes to Full Modular Developments: How Wind River Built Scaled Up

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Government Affairs

As a trade association for the commercial modular construction industry, MBI works on behalf of its members around the world. Some of the most important work we do involves removing legislative barriers, helping to create industry-friendly codes and regulations, and connecting members with their local governmental agencies.

Read Our Latest Updates

Events & Education

MBI organizes and partners with other organizations to offer timely and important conferences and events on the latest issues and trends affecting commercial modular construction. Topics include best practices, regulatory updates, factory tours, business conduct, safety, code issues, and much more.

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Research & Development

As the international trade association for modular and offsite construction, MBI works with an extensive network of universities, researchers, and alliances from all over the world. In addition to our own annual reports, MBI collects research results, whitepapers, and third-party analysis to provide insight into this growing construction method.

See Our Reports

Modular Advantage Magazine

This expanded edition of Modular Advantage features the articles and interviews from modular building design professionals around the world, including:

  • Michael Hough, MJH Structural Engineers
  • Eisa Lee, XL Modular Architecture & Design,
  • Stuart Emmons, Emmons Design,
  • And MUCH more!

Plus exclusive member-/subscriber-only content!

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