ABSORPTION COEFFICIENTS - acoustic
ABSORPTION HzMATERIALTHICKNESS125250500100020004000 MASONRY WALLSRough concrete0,020,030,030,030,040,07Smooth unpainted concrete0,010,010,020,020,020,05Smooth concrete, painted or glazed0,010,010,010,020,020,02Porous concrete blocks (no surface finish)0,050,050,050,080,140,2Clinker concrete (no surface finish)0,100,200,400,600,500,60Smooth brickwork with flush pointing0,020,030,030,040,050,07Smooth brickwork with flush pointing, painted0,010,010,020,020,020,02Standard brickwork0,050,040,020,040,050,05Brickwo rk, 10mm flush pointing0,080,090,120,160,220,24Lime cement plaster on masonry wall0,020,020,030,040,050,05Glaze plaster on masonry wall0,010,010,010,020,020,02Painted plaster surface on masonry wall0,020,020,020,020,020,02Plaster on masonry wall with wall paper on backing paper0,020,030,040,050,070,08Ceramic tiles with smooth surface0,010,010,010,020,020,02Breeze block0,200,450,600,400,450,40Plaster on solid wall0,040,050,060,080,040,06Plaster, lime or gypsum on solid backing0,030,030,020,030,040,05STUDWORK AND LIGHTWEIGHT WALLSPlasterboard on battens, 18mm airspace with glass wool0,300,200,150,050,050,05Plasterboard on frame, 100mm airspace0,300,120,080,060,060,05Plasterb oard on frame, 100mm airspace with glass wool0,080,110,050,030,020,03Plasterboard on 50mm battens0,290,100,050,040.
Glass wool 50mm, 48 kg/m3 0,30 0,80 1,00 Glass wool 75mm, 48 kg/m3 0,43 0,97 1,00 Glass wool 100mm, 48 kg/m3 0,65 1,00 Rock wool 50mm, 33 kg/m3 direct to masonry 17 0,15 0,60 0,90 0,85
Download ABSORPTION COEFFICIENTS - acoustic
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: