MM Systems Corporation 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


Dual Interlocking Hinge Series

The DIH Series is designed for expansion joint openings with the ability to provide a smooth and virtually impact-free transition between opposing floor surfaces in addition to accommodating heavy rolling loads and multi-directional seismic movement. The dual interlocking center slide plates are hinged to allow the system to remain flush with finished floor surface. The interlocking slide plate assembly utilizes three rubber anti-vibration dampers to eliminate any metal-to-metal noise and to resist the infiltration of liquids. more

MM Schools Industry on AIA CEU Programs 

MM Systems has moved to the front of the class with a renewed emphasis on AIA-approved CEU courses. The effort is being spearheaded by Mark Antonuccio, CSI / CDT / Associate AIA. Mark joined the MM team in 2013 as National Product Manager -Architectural Expansion Joints Division. Since then Mark has presented numerous CEU courses to the nation’s top design firms.
Request a presentation
Or, learn more about Mark.


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...


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Join Us at our Next Certification College
in Atlanta, April 23-25, 2014

View Invitation (PDF)

In April, many contractors and consultants from around the world will meet in Atlanta to participate in expansion joint training for parking structures, plaza decks and stadiums. The program includes both "classroom" and "hands-on" instruction.


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

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Toll Free Domestic: 1-800-241-3460  International: 1-706-824-7500
50 MM Way - PO Box 98 - Pendergrass, GA 30567
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