Author: Andrews, Ewart S
First published: N/A
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Andrews, Ewart S
AT the present time there are so many varieties of roof coverings on the market from which to choose, that it has become a problem for the discerning architect or engineer to decide definitely upon which class of roof covering to specify for the building he may have under consideration. This is a much more important item in building construction than seems to be generally recognised, and one to be decided early, as the type of covering to be used has an influence, not only on the roof design, but on the whole supporting structure. A new roofing, however efficient and economical in actual use it may be, does not always appeal immediately to the conservative architect or engineer. He probably has had experiences, or is profiting by the experiences of others who have been carried away by the verbosity of the salesman to his ultimate disillusionment. The architect and engineer must be satisfied that the material he proposes to employ on his roof is the most efficient and economical he can procure, that it will be suitable for his purpose, and that, when in use, it will be a lasting
credit to himself and satisfactory to his client.
IN 1921, on the occasion of crushing tests being carried out with hooped columns made in concrete composed of aluminous cement mmufactured at Bex (Electro-cement), Professor A. Paris, Engineer, drew our attention to the considerable heating disclosed
on lifting out of the mould.
THIS subject is of particular importance in these times of shortage of bricks and skilled labour, since concrete block building provides a simple means of obtaining a really satisfactory substitute for the older methods, and offers a solution to the present difficulties.
Major W.H. Smith