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DUO universal handset formwork delivers the durability of traditional systems with the sustainability of modern formwork. Made from fiber reinforced polymer, DUO is 100% recyclable and lightweight, featuring components that weigh no more than 55 lbs. for easy maneuvering. The DUO system can be used to form walls, columns, and slabs with reduced tooling requirements..
DUO system overview, components, and project examplesDownload the DUO brochure
Introducing DUO, an intuitive, lightweight, convertible formwork system featuring 100% recyclable materials and enables one-man assembly.
Browse projects and see DUO formwork systems on-site
PERI teamed up with McCarthy and the St. Louis Community to support building a home for a police officer tragically injured in the line of duty. The project was the first time McCarthy used DUO handset formwork on a residential foundation.
An upgrade to the Fall Creek Reservoir fish facility was necessary to comply with current environmental criteria and provide safe transportation species. The project came with many complexities including the restriction of a tower crane, which resulted in RSCI selecting DUO handset formwork, ultimately reducing equipment costs.
This 3-story single family beach home was one of the first projects in the US to use DUO. The contractor did a side-by-side test of DUO against a stick-framing and plywood method. Read how DUO performed against the traditional formwork.
After using DUO on a previous project, the contractor selected the lightweight handset formwork to construct the columns of a new 254,000 square-foot Orange County administration building. The adjustability of the system allowed for easy adaptation on various column cross-sections and height.
"The main advantages of DUO are the lightweight, the strength, the rate of pour they will withstand, the engineering - you can use the outside corners for inside corners and vice versa - it's a very easy system to work with."
General Foreman, McCarthy Building Companies
"Our project was one of the test-sites for DUO in the US, so we have been using the system for a few months already and are really happy. You can’t beat how simple and light it is."
Vice President/Co-Owner, Bocci Group Inc.
My #1 priority is to keep these guys safe. Due to the weight of the system and hand maneuverability, it allows us to eliminate equipment, and the guys can safely move the product.
General Superintendent, Swinerton
Access DUO demonstration videos for your next project
How to clean DUO
How to strike with DUO
How to install props
How to install stopends
Fast and simple planning of layouts, automatic shuttering and creating of parts lists