 Independent Acoustics and Noise Control Specialists |
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Acoustic Mineral Wool | Rigid Stone Wool | Mineral Wool | Sound Slab | ||
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ACOUSTIC PERFORMANCE 60kg AMW, when used in a standard studwall, can increase the sound insulation performance by up to 6dB. 60kg AMW typically provides a reduction in reverberant noise levels of up to 10dB when fitted under roof constructions. 60kg AMW typically provides a reduction in airborne noise levels of up to 4dB when fitted inbetween floor/ceiling joists. PLEASE NOTE: When fitting mineral wool slabs between joists or between frameworks you won't need as much material as the total overall area because of: a) the thickness of the joist or frame b) the width of the joist / frame. c) the spacings between. The larger the area to be treated the less packs you will need so for a small area don't worry but when you get to 100m² plus it can make a difference. As a generalisation, assuming width of a frame to be 50mm at 600mm spacings, you would have an approx. 8% excess. |
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If you want to upgrade a ceiling to 1 hour fire resistance without adding any extra plasterboard below then you can use our rabbit wire mesh to hold the mineral wool between the joists
to meet this requirement. The combination of the secured mineral wool sitting on the wire mesh, and the existing ceiling, is usually accepted by Building Control as
being in compliance with the required fire resistance of a separating floor between flats. Usually the material is friction fitted tightly between the joists so you won't need
any if working from above. However, it is sometimes useful to use it if working from below to prevent the material dropping back down before the plasterboard and bars are fitted.
Rolls are supplied 1.05m wide x 50m long (52m²). The hexagonal holes are 31mm, so it's an extra strong version (as opposed to chicken wire which is thinner and weaker), and the wire gauge is 19 which is 0.92mm thick wire. |
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Dense Fibre Matting (DFM) Slabs manufactured to a higher density than 60kg/m³ are often referred to as Dense Fibre Matting or DFM. They can provide slightly improved acoustic control and come in 100kg/m³ and 140kg/m³ densities. This product costs approx. twice that of our 60kg version and should only really be considered for specialist applications as you don't get twice the acoustic performance for double the cost ! Owen Corning 703 Rigid Fibreglass:- We can supply a product with almost the same specification as Owens Corning 703 rigid fibreglass which is widely used in the States. 50mm thick Part Code A560 or 100mm thick Part Code A570 45kg 50mm Part Code A460 45kg 100mm Part Code A470 60kg 25mm Part Code A480 60kg 50mm Part Code A490 60kg 75mm Part Code A500 60kg 100mm Part Code A510 140kg 50mm Part Code A560 140kg 100mm Part Code A570 We also supply acoustic mineral wool in a wide range of other thicknesses and densities:- Thicknesses of 30, 40 and 60mm are also available subject to 5pack min. order. Densities of 33kg/m³, 80kg/m³, 100kg/m³, 140kg/m³ and 200kg/m³ are also available subject to 5 pack min. order. | |||||||||||||||||||||||||||||
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All information contained in these details is given in good faith but without warranty. Custom Audio Designs reserves the right to alter the specifications of any product without notice. ©Custom Audio Designs 2004 | ||
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