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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 Transmissions

Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more

Section 6 - Energy - Technical Handbook - Non Domestic

Ensure that effective measures for the conservation of fuel and power are incorporated.

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Display Energy Certificates can also be known as:
Display Energy Certificate, DEC,

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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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