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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
The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS
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In Area N
Part L1B Compliance in Nailsea, Part L1B Compliance in Nailsworth, Part L1B Compliance in Nairn, Part L1B Compliance in Nantwich, Part L1B Compliance in Narberth, Part L1B Compliance in Nayland, Part L1B Compliance in Neath, Part L1B Compliance in Needham Market, Part L1B Compliance in Nelson, Part L1B Compliance in Neston, Part L1B Compliance in Netherton, Part L1B Compliance in New Mills, Part L1B Compliance in New Milton, Part L1B Compliance in New Romney, Part L1B Compliance in New Southgate, Part L1B Compliance in Newark, Part L1B Compliance in Newbury, Part L1B Compliance in Newcastle, Part L1B Compliance in Newcastle Emlyn, Part L1B Compliance in Newcastle upon Tyne, Part L1B Compliance in Newchapel, Part L1B Compliance in Newcross, Part L1B Compliance in Newent, Part L1B Compliance in Newhaven, Part L1B Compliance in Newlyn, Part L1B Compliance in Newmarket, Part L1B Compliance in Newnham, Part L1B Compliance in Newport, Part L1B Compliance in Newport, Part L1B Compliance in Newport, Part L1B Compliance in Newport on Tay, Part L1B Compliance in Newport Pagnell, Part L1B Compliance in Newquay, Part L1B Compliance in Newry, Part L1B Compliance in Newton, Part L1B Compliance in Newton Abbot, Part L1B Compliance in Newton Aycliffe, Part L1B Compliance in Newton le Willows, Part L1B Compliance in Newton Stewart, Part L1B Compliance in Newtown, Part L1B Compliance in Newtownabbey, Part L1B Compliance in Newtownards, Part L1B Compliance in Normanton, Part L1B Compliance in North Berwick, Part L1B Compliance in North East, Part L1B Compliance in North Finchley, Part L1B Compliance in North Kenningston, Part L1B Compliance in North Walsham, Part L1B Compliance in Northallerton, Part L1B Compliance in Northampton, Part L1B Compliance in Northern Ireland, Part L1B Compliance in Northleach, Part L1B Compliance in Northolt, Part L1B Compliance in Northwich, Part L1B Compliance in Norton, Part L1B Compliance in Norwich, Part L1B Compliance in Norwood, Part L1B Compliance in Nottingham, Part L1B Compliance in Nottinghill, Part L1B Compliance in Nuneaton, Part L1B Compliance in Nutfield,