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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

Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part L1B
Conservation of fuel and power in Existing Dwellings

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Part F Ventilation Certificates can also be known as:
Ventilation Commissioning Certificate, Part F Testing, Part F Fan Testing, Air Flow Rate Testing, Ventilation Testing Equipment, Part F Ventilation Testing, Duct Testing, Part F Ventilation Certificate,
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Company No. 06728970
In County H
Ventilation Testing & Compliance in Hampshire, Ventilation Testing & Compliance in Herefordshire, Ventilation Testing & Compliance in Hertfordshire, Ventilation Testing & Compliance in Highlands and Islands,