Offices Nationwide
Sound Absorption
The loss of sound energy when sound waves come into contact with an absorbent material such as ceilings, walls, floors and other objects...more
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
The Government’s national calculation methodology for assessing water efficiency in new dwellings.
Our other services include:
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CSH can also be known as:
Code for Sustainable Homes, Code for Sustainable Homes Daylight Calculation, Code Assessment, C4SH, Sustainable Homes,
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