New Rockfon Color-allandreg; Special takes the guesswork out of specifying colourful acoustic ceilings February 4, 2015 Uncategorized A designer’s dream, new Rockfon Color-allĀ® Special stone wool ceilings feature a bespoke colour matching service to ensure a perfect match every time. Posted via Industry Today. Are you into it? Follow us on Twitter @IndustryToday