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Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Part L1B
Conservation of fuel and power in Existing Dwellings
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In County S
Energy Statements in Shropshire, Energy Statements in Somerset, Energy Statements in South Yorkshire, Energy Statements in Staffordshire, Energy Statements in Stirlingshire, Energy Statements in Strathclyde, Energy Statements in Suffolk, Energy Statements in Surrey, Energy Statements in Swansea County,