For steel cement panels, RFT offers two types of understructure systems to cater for all heights, load performance requirements, and applications. RFT steel cement panels are interchangeable within the two understructure systems.

Used in all applications, the Stringer Grid system is especially recommended for greater finished floor heights and heavy duty applications. Stringers are mechanically fastened onto the pedestal head thus providing a monolithic frame into which the panels are inserted. For further strength, bare panels may also be mechanically fastened onto the pedestal heads. This system ensures improved rigidity and lateral stability, as well as a superior underfoot feel. Panels are easily interchangeable within each stringer frame without the need for any alterations in the system.

Utilising a unique die-cast aluminium head that offers positive location of the panel corners onto the pedestal head, the Cross-Head system is recommended for areas of low finished floor height where extensive sub-floor services need to be installed. The stringer-less Cross-Head system offers the same ease of installation and maintenance, as well as increased unobstructed access to all sub-floor services. Electrical continuity and quiet underfoot performance are achieved with the use of a black conductive pvc gasket placed between the panels and the understructure head.