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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

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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

Part L1B

Conservation of fuel and power in Existing Dwellings

Guidance for work to existing dwellings including alterations, conversions and extensions.

SAP Extension Calculations is sometimes referred to as SAP Extension Calculations, SAP Extension, SAP Extension Assessment, Part L1B Compliance, SAP Extension Calcs, SAP Extension Calc.

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E2 Specialist Consultants
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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