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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
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
The Government’s national calculation methodology for assessing water efficiency in new dwellings.
FRA Quote in Brondesbury
August 13 at 1:29pm
Today takes 2 of our engineers, air testing this enormous modular classroom in Tring, It took 4 fans to test this space and unfortunately resulted in a Fail. Remedial sealing will be required to areas that we have identified as leaking cold air infiltration. #preperationiskey
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