The Structural Engineer > Archive > Volume 2 (1924) > Issues > Issue 4 > The Roofing of Factories
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The Roofing of Factories

THE satisfactory roofing of large areas has always been a problem presenting somewhat additional difficulties to the engineer. All the customary essentials with regard to a roof are present, viz., that it should be water-tight, be as inexpensive to keep in repair as possible, and that it should have a good appearance, but there is added to these requirements, if anything, the more important one that the material used for covering must be light. In the past, for this purpose, galvanised iron has been possibly most used, but of recent years cement which is entering into so many of our building products, has been combined with asbestos and a new roofing material is now becoming the vogue.