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Alloy doors

12th June 1970, Page 69
12th June 1970
Page 69
Page 69, 12th June 1970 — Alloy doors
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Low-cost, light-alloy workshop overhead doors have been added to the Crawford Corruflex range. Use of standard finished materials and careful engineering ensures a lower cost for the fully-insulated double-skinned construction than equivalent designs and despite the rigidity of the doors, weight of the door leaf is no more than 1.7Ib per sq. ft.

Galvanized steel hinges and galvanised roller tracks are used and there are steel rollers with steel or nylon "tyres" at each section break. The facing cladding is trapezoidal corrugated aluminium sheet and on the inside of the polyurethAne insulation there is a backing sheet of textured-finish aluminium.

Maximum size is 23ft 5in. wide by 19ft 8in. high and glazing panels 2ft by 3ft can be incorporated.

Made by: Crawford Door UK Ltd, Warwick House, 27/31 St. Mary's Road, London W5.


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