San Francisco : Architect and Engineer, Inc · leaf 661
air again, a certain amount of thesound energy is absorbed and the intensity ofthe sound is reduced. The problem of sound in-sulation or sound deadening is to obtain a wall,ceiling and floor construction which will reducethis diaphragmatic transmission to a point whereit is negligible. It is not… … s composed of crossedal fibres imbedded inmd covered by layers•aft paper. The eon-exclusive. Made inrolls 3, 4, 5, 6 and 7 feet tvide. SPRE.4D on as soon as the concrete is set, Sisalkraft provides a water-proof cover which keeps in the moisture necessary for curing, andat the same time provides a…
Architecture · Building
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