![]() There is currently over ten million square feet of Doublewal installed in over 30 states, Canada and Australia. These individuals ensured a smooth transition of the product and are currently with United Concrete Products team today.ĭoublewal is accepted for use by the Federal Highway Administration, AASHTO, Army Corps of Engineers, AREMA, Conrail, Southern Railroad, LIRR, NRC, State Department of Transportation, and many private agencies. ![]() Shortly after the acquisition, many former employees of Doublewal Corporation joined United Concrete Products. Engineering was handled in house exclusively by the Doublewal Corporation engineers to maintain quality and consistency of design.ĭoublewal was acquired by United Concrete Products of Wallingford, CT in 2011. The first pieces of Doublewal were manufactured in Plainville, Connecticut at the Atlantic Pipe Corporation. Based in Connecticut, Doublewal Corporation grew leaps and bounds in the 1980's as product was licensed to pre-casters across the United States, for many of the infrastructure expansions projects of the times. AutoCAD drawings are available upon request.The Doublewal Retaining Wall System was patented in 1978. Please refer to the attached pdf for standard sizes and specifications. As a retaining wall, it can either have a set back or a zero set back. ![]() Whether it’s used to retain the force of earth and gravity or meet landscaping needs, the Redi-Rock system is the most effective and attractive solution available. Our system offers the most versatile, stable and architecturally attractive solution in the industry. Retaining wall blocks can be used as a permanent structure or dismantled and reused. Can be used as a partition wall with the chiseled rock texture on both sides Specialize in precast concrete blocks used for retaining and freestanding walls. Instead of creating a cast-in-place wall to support the installation of a new primary crusher at their Kittrell, North Carolina quarry, Carolina Sunrock opted to go with a reinforced wall constructed with Redi-Rock Positive Connection blocks.Quick and easy installation, limited excavation required.At roughly 2,000 pounds each, the sheer mass of these units allow the installer to build a 9-foot high wall with limited excavation and no reinforcements or engineering. There is no job too big or too small – we work with small, medium and large contractors. London Boulder™, used by Bethlehem Precast, is a custom sectional retaining wall system. Manufacturer of interlocking concrete Duo blocks used throughout the UK in a wide variety of applications including Temporary Works, pendine walls and Cofferdams. ![]() We offer a number of unique solutions to help you fortify infrastructure, securing soil and grade change reinforcement. We would be happy to discuss your project with you to determine the best solution for your needs. Duo Interlocking Precast Concrete Blocks for Temporary works, pendine walls and Cofferdams. From segmental retaining wall systems to economical steel, Contech is a leading source of aesthetically and structurally superior retaining walls solutions. Unit lengths vary depending on the product range, please see the individual product pages for more information. Commercial or large concrete retaining wall blocks cost 60 to 270 per linear foot for 3’ to 6’ tall walls or 20 to 45 per square foot installed. We offer retaining walls through the London Boulder™ system as well as custom solutions. The retaining wall heights start at 500mm and go up to 6m. Retaining Walls can be ordered in any size with Bethlehem Precast. ![]()
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