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Product Profile: Belgard Hardscapes

Reach New Heights with Belgard® Hardscapes Mega-Tandem™ Mass Retaining Wall™

Belgard Hardscapes is helping landscape architects reach new heights in wall solutions with its patent-pending Mega-Tandem™ Mass Retaining Wall™. A versatile wall block system with the natural look of stone, Mega-Tandem™ Mass Retaining Wall™ (MRW) block features a size and mechanical structure that allows for building reinforced walls up to 15 feet high and gravity walls up to 10 feet without reinforcing.

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Mega Wall Unit350w

"The size and connectors in the Mega-Tandem MRW system allow for a gravity wall height of up to 10 feet without a surcharge, which is ideal for wall projects where it is difficult to almost impossible to excavate for stabilization for a retaining wall," said Al Pfannenstein, national retaining wall expert for Belgard Hardscapes. "This height is a sharp contrast to the traditional three-foot height that SRW products typically can achieve without reinforcement.

"The structural benefits combined with Mega-Tandem's look make it an unmatched innovation in the wall block marketplace," Pfannenstein said.


Mega-Tandem features a patent-pending, positive mechanical connection. The reinforced polypropylene connecting members create structural integrity in curved or straight retaining and freestanding walls. Available in a 12 x 24 panel weighing 65 pounds, the system has a running bond configuration so no patterns are required.

Meeting ASTM standards (C-1372 and C-1262), Mega-Tandem's 8500 psi compressive strength concrete makes it suitable across the country, even in the coldest environments where it can withstand harsh freeze-thaw cycles.

Mega-Tandem also offers national appeal because of its design diversity that suits varying regional color trends. Available in three color blends, Mega-Tandem comes in 12 different facial textures with the classic look of natural chiseled stone.


"The design versatility offered by Mega-Tandem provides flexibility for better integration of retaining walls in building and landscape designs of commercial properties and homeowners' outdoor living spaces," Pfannenstein said.

For more information and how-to instructions, visit

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