External walls consist of a composite wall panel and an internal wall lining, with a versatile cavity between for excellent thermal and acoustic performance. The cavity accommodates the steel structure and provides scope for integrated building services with flat surfaces internally and externally. A range of external claddings is available with high-performance, low-maintenance finishes on top of a galvanised steel substrate, offering protection against fire, extreme weather and accidental damage. Internally, the gypsum plasterboard walls can have either a traditionally painted or a vinyl-faced, wipe-clean finish.
The suspended floor has a rigid galvanised steel frame, which is completely integrated into the structure of the building providing a sturdy and robust feel. The underfloor thermal insulation at ground floor level consists of foil-faced rigid polymer slabs, which also prevents infestation. A mineral wool mat is used to insulate the voids of multi storey buildings to provide an improved acoustic, thermal and fire performance. A range of floor decks, including concrete, is available to suit the requirements and differing floor loadings of the building. A variety of floor coverings is also available, including hard-wearing vinyl, ceramic tiles and carpeting.
Outstanding insulation is provided by the innovative warm deck construction of the roof panel. The roof deck is a one-piece construction with excellent impact resistance. It is covered externally with solar-reflective, profiled, plastisol-coated galvanised steel to reduce heat gain. Internally, the polyester-coated galvanised steel ceiling has a low-maintenance finish. A suspended ceiling system can be fitted to provide the easy installation of services. This is the standard finish at the ground and intermediate floor levels of multi-storey buildings.
Doors and windows
Doorsets are an all steel construction. A range of glazed entrance doors with powder coated aluminium frames and low energy double glazing are available to enhance the main entrance. All doorsets incorporate draught proof weather seals. Windows have PVC-U or powder coated aluminium frames and are double-glazed with low energy glass for optimum thermal performance & user comfort. Draughts and condensation are eliminated by effective weather seals, the low thermal conductivity of the window frames and its thermally efficient glazing. The windows can be located in a number of positions, across the wall cavity, creating internal or external sills to suit the building requirements. Windows in critical locations are glazed with safety glass as standard and a variety of other glazing types are also available. The Ultima Building System offers protection against theft and vandalism, using a wide range of security options, including alarms and window shutters.
The Yorkon Building Systemuses complete modules to construct buildings with unlimited floor area. See table overleaf. An additional storey may be added at any time if the appropriate foundations have been laid and the building layout allows. An infinite variety of room layouts can be achieved by the installation of internal walls, stairs and lifts.
Peace of mind is assured by the high levels of all-round performance achieved by the Yorkon Building System. The Yorkon Building System is designed and manufactured in the UK under a Quality Management System, that meets the requirements of ISO 9001 and OHSAS 18001. In addition, a 5-year Product Warranty and a 30-year Structural Warranty are offered on all new buildings.