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Safely Gain Access to Your Work Site Over Wet Ground Conditions

Signature Systems’ swamp mats create safe, stable surfaces for personnel and heavy equipment over mud, marshes, swamp land, and environmentally sensitive areas.

Temporary roadway using MegaDeck HD swamp mats

Temporary Roadways

Wet, soggy, muddy or marshy ground conditions increase the risk of expensive machinery and equipment getting stuck or damaged. MegaDeck® HD mats safely support loads of up to 600 PSI over challenging ground conditions.

Swamp mats work platform

Work Platforms and Staging Areas

With overlapping flanges, an interlocking design, and secure connection system, MegaDeck HD and SignaRoad® composite mats create strong, stable work platforms that prevent dangerous shifting from heavy loads.

Swamp mats for work site access

Environmentally Friendly Accessways

Signature’s access mats are made from non-toxic HDPE, which protects vegetation and environmentally sensitive areas from damage and controls soil compaction, preventing time consuming and expensive remediation efforts.

Reliable Swamp Mats

Swamp mats provide non-shifting portable roadways that reduce the risk of accidents over challenging ground conditions. With reliable work surfaces, jobs stay on schedule, helping reduce project costs.

Signature’s composite construction mats eliminate cross-contamination between worksites and the possible transmission of parasites, chemicals, oils, mold and insects. Mats will not rot or degrade, which allows for long-term installations with minimal environmental impact. After each use mats can be cleaned and reused on the next job site.

Benefits of Composite Mats

  • Lock-and-go, secure connection system provides safety, stability and quicker installations
  • Saves time and money on shipping with more mats per truckload than 3-plywood mats
  • Protects your equipment and minimizes wear and tear
  • Composite matting is available in a range of sizes and weight capacities
  • Composite mats are a sustainable solution that lasts up to 10 years, providing a significant ROI

Reliable portable roadway using swamp mats


Composite Mats for Swamps

MegaDeck HD heavy-duty swamp mat

Specifications: MegaDeck® HD

Actual Size

7.5 ft L x 14 ft W x 4 in H

2.3 m L x 4.3 m W x 10 cm H


1,095 lbs (497 kg)

Weight Load

600 psi, depending on subsurface conditions

Shipping Info

U.S. standard truck: Up to 43 mats
40 ft ISO shipping container: 40 mats
20 ft ISO shipping container: 20 mats, 1 stack 20 mats high
U.K. lorry/EU trucks: Up to 50 mats

Download the Full Spec Sheet

SignaRoad construction swamp mat

Specifications: SignaRoad®

Actual Size

6.8 ft L x 10 ft W x 2.5 in H

2 m L x 3 m W x 6.4 cm H


496 lbs (225 kg)

Weight Load

400 psi

Shipping Info

U.S. standard flatbed truck: 90 mats
40ft ISO shipping container: 90 mats
20ft ISO shipping container: 45 mats
U.K. lorry/EU trucks: Up to 120 mats

Download the Full Spec Sheet

30,000 sq. ft. Work Platform in the Backwaters of the Chesapeake Bay

MegaDeck HD mats were used underneath and on top of crane mats to create a work platform that supported a 400,000 lb. crane with 300 ft. reach, along with other heavy equipment during a transmission tower replacement project.

Heavy-duty Portable Roadways

MegaDeck HD composite mats have overlapping flanges and an interlocking design that prevents differential movement between panels, ensuring a strong stable surface for over-sized equipment and vehicles.

Reusable Heavy Haul Mats

MegaDeck HD environmentally friendly composite mats will not absorb or retain harmful chemicals or invasive species and can be used on multiple job sites for up to 10 years, providing a significant ROI.

Environmentally Safe Accessways

MegaDeck HD mats created miles heavy-duty temporary roadway through otherwise impassible rain forest terrain. Located in an environmentally protected area, the project required the highest environmental and safety standards.

Learn more about how our mats can make your work site safer