Research and Development

Composite flooring

Innovations in composite flooring from Sigma Industries.

The engineers, designers, and technicians comprising Sigma’s Black Box Solutions have recently commercialized its patented 3-D structural shear plate technology for the manufacture of composite transit flooring. This revolutionary floor is an innovative alternative to traditional plywood panels for both transit OEMs and aftermarket re-fitters. The basic system – supplied as a unitized molded assembly - consists of two glass-reinforced polyester resin face sheets encapsulating a core of polyester honeycomb filled with closed-cell polyurethane or polyisocyanurate foam. The benefits are substantial; on the OEM side, a 30% reduction in weight, unmatched durability, simplification of the chassis, component consolidation, a reduction in installation labour, and improvement in production throughput. On the re-fit side, Sigma’s floor replacement panel kits are configured for fast, easy, and permanent repair of rotting plywood bus flooring.

A complete bus floor system can be manufactured utilizing this concept, as shown in the figure.

The leader in innovation and technology

Sigma Industries is the industry leader in the development of new products, processes, and technologies that provide its customers with a significant, competitive advantage. For example, Sigma developed a process whereby it can supply flooring kits with the PVC floor covering already bonded to the tread surface, entirely eliminating this step in the customer’s production flow, improving quality, eliminating VOCs, and accelerating production throughput.

System and component integration

Sigma Industries’ production facilities and program management regimen are structured to provide not only the highest quality, molded composite parts, but also integrated assembles comprised of a wide range of components and sub-assemblies gleaned from sub-contractors or the customer. Our vision is to provide our customers with complete solutions rather than parts, thus consolidating their vendor base, reducing costs, and streamlining their manufacturing strategy.