The shell of the units are constructed from white GRP a standard. The unit can be sprayed to a bespoke pantone reference. Insulated GRP is also an option, often chosen when air-conditioning units are incorporated. 

Galvanised steel

Phenolic ply is mounted on the steel chassis

A variety of heating, ventilation and air-conditioning systems can be provided.

A choice of tow-hitches can be fitted depending on the legal requirements of the country of use.

The units can be supplied for operation on mains, re-circulating chemical or vacuum. The larger units are fitted with an easy access central service hatch at the rear.