MM Systems is one of the most trusted and respected names in the architectural construction products industry. Founded upon The Golden Rule and a commitment to quality and service, our company delivers cutting edge materials and innovative design in our current product line.

Our total engineered solutions approach provides integrated system design, consultation and installation support to architects, engineers, and contractors. We proudly call that the MM way.    

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Expansion Joints
Parking & Exterior Expansion Joints
Fire Barrier Expansion Joints
Trench Grating & Access Covers
Architectural Metalwork

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SSP-R.gifSeismic Slide Plate System
SSP is a traffic bearing expansion joint for parking structures (convention centers, concourse areas, etc.) and other open-air structures requiring multi-directional seismic movement. more

Design By Building Type 

MM Systems recently launched a new Select by Building Type feature (see third column, above). Expansion joint cover selection and specification development can be perplexing, given the hundreds of size and style combinations to choose from.  MM Systems has reduced the myriad of choices by allowing users to search by building type. read more...


Project Services Manager 

MM Systems is pleased to announce that Sylvia Whitmire has been promoted to Project Services Manager. This new role will include overseeing MM’s Project Management and Customer Service functions as well as retaining her role of handling several key Rep accounts.   read more..


more news

Quality Expansion Joint Installation Begins with Factory Trained and Certified Installation Contractors

Our Contractor Certification College

Many contractors and consultants gather in Atlanta to participate in a dual certification program for expansion joints located inside and outside the building envelope. In our certification program, we focus on waterproof exterior systems for parking structures, plaza decks, stadiums and aesthetic interior systems for airports, convention centers, educational facilities, and more!

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MM Seismic Joints Protect New Hospitals in Chile From 8.4 Magnitude Earthquake


When project teams for Hospitals Maipú and La Florida near Santiago, Chile needed state-of-the art seismic joint solutions, MM was the obvious choice. Hospital Maipú incorporated Seismic Egress Portals, Seismic Recessed Wall and Seismic Roof Systems, while La Florida was outfitted with Seismic Moat Joints, all engineered to meet each project’s specific conditions & movement criteria. (read more)

Nashville's Music City Center wins Best Sports/Entertainment Award for 2013

The entire Nashville Music City Center project shows off the design possibilities of steel construction, while putting a spotlight on the engineering of “special profile” steel joists for dramatic aesthetic impact and cost savings. more

Renovation Featured In Applicator Magazine

2011 O'Hare Cover PhotoS.jpgFind out what industry professionals found when they looked for the best solution to a ten year old problem...  read more

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50 MM Way - PO Box 98 - Pendergrass, GA 30567
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