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Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...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
Part L1B
Conservation of fuel and power in Existing Dwellings

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In County D
SAP Extension in Denbighshire, SAP Extension in Derbyshire, SAP Extension in Devon, SAP Extension in Dorset, SAP Extension in Dumfries and Galloway, SAP Extension in Dunbartonshire, SAP Extension in Durham, SAP Extension in Dyfed,