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Materials
- Galvanised steel stucco-embossed panels 610mm high, with galvanised press-formed steel end stiles. Aluminium panels available as an alternative. 40 or 45mm thick with polyurethane foam infill.
- Extruded non-absorbent rubber seals are fitted to the top, bottom and sides of the door. End stiles, track and all fittings are steel, galvanised or electro zinc-plated as standard; stainless steel is an option.
- Guide track/wheel carriers are adjustabe to ensure a good weather seal.
- Shoot bolt fitted as standard
- Balanced by a torsion spring assembly so that even large doors can be easily operated manually. Standard spring life of 20,000 cycles;heavy-duty sprigs available for special applications.
- The optional springless door balance system, pioneered by sara reduces maintenance.
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