Ceiling joists & existing ceilings

To exceed Rw45

Peace & Quiet Insulation Pty Ltd; installed acoustic insulation to Commonwealth Govt; specifications to some 2400 houses, 20 churches and 10 schools for the Sydney Aircraft Noise Insulation Project (S.A.N.I.P.). Houses and halls near traffic noise can be treated with dense polyester absorption and acoustic barriers as per these specifications.