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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
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 aim is to recognise the level of sustainability already achieved by the building regulations.
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In Area R
DEC in Radcliffe, DEC in Radcliffe on Trent, DEC in Radlett, DEC in Radstock, DEC in Rainford, DEC in Rainham, DEC in Rainham, DEC in Rainworth, DEC in Ramsbottom, DEC in Ramsbury Ridge, DEC in Ramsey, DEC in Ramsgate, DEC in Randalstown, DEC in Ravenglass, DEC in Rawtenstall, DEC in Rayleigh, DEC in Reading, DEC in Redbourn, DEC in Redcar, DEC in Redditch, DEC in Redhill, DEC in Redland, DEC in Redruth, DEC in Reigate, DEC in Renfrew, DEC in Retford, DEC in Rhayader, DEC in Rhoose, DEC in Rhuddlan, DEC in Rhyl, DEC in Rhymney, DEC in Richmond, DEC in Richmond, DEC in Rickmansworth, DEC in Ringwood, DEC in Ripley, DEC in Ripon, DEC in Ripple, DEC in Risca, DEC in Robertsbridge, DEC in Roby, DEC in Rocester, DEC in Rochdale, DEC in Rochester, DEC in Rochford, DEC in Romford, DEC in Romsey, DEC in Ross on Wye, DEC in Rossendale, DEC in Rostrevor, DEC in Rothbury, DEC in Rotherfield, DEC in Rotherham, DEC in Rotherhithe, DEC in Rothesay, DEC in Rothwell, DEC in Rothwell, DEC in Rowlands Castle, DEC in Rowledge, DEC in Rowley Regis, DEC in Royston, DEC in Royston, DEC in Royton, DEC in Rugby, DEC in Rugeley, DEC in Ruislip, DEC in Runcorn, DEC in Rushden, DEC in Rushwick, DEC in Rutherglen, DEC in Ruthin, DEC in Ryde, DEC in Rye, DEC in Ryton,