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Acousti Roll is an isolation system that has been developed to reduce the cost of the acoustic floating floor systems that are designed to prevent transmission of noise through a building’s structural components in acoustically critical environments.
This system is produced in a roll form with the type SVA/EVA isolators inserted into the roll at predetermined spacing and locations to provide a standard range of acoustic blankets to solve most airborne noise problems. The isolators are 75mm x 75mm x 50mm thick with varying load ranges depending upon material density.
The new "roll-out" acoustic blanket and the SVA isolators it uses are supplied in 10m long x 1.2m wide x 50mm thick rolls with a density of 24kg/m The top surface of the blanket is finished with a glass reinforced aluminum foil/kraft, laminate facing. With the isolators spaced at 300mm or 400mm centres dependant upon the loading requirements of the concrete slab and any machines that need to be supported. |
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- Easily installed, just roll it out
- High performance - provides the same attenuation as a 5 to 8 times increase in floor slab mass.
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Installation of the "roll-out" acoustic blanket is simple and easy, as its name implies the blanket is rolled out in strips to cover the area designated for acoustic treatment. With the vertical perimeter expanded neoprene isolation strip in place the plywood panels are laid on top then clipped together to prevent movement. Cover the plywood with a double layer polythene and the system is ready to accept the reinforced concrete slab.
Typically a sound transmission class of STC 70 and an impact insulation class of IIC 68 is achieved with the type SVA/EVA roll out acoustic blanket system which should satisfy the acoustic requirements of nearly all airborne structural |
The graph below shows static deflection vs static load for 75mmx75mmx50m SVA 200 and SVA300 floating floor isolators for steady state loads. For impact or shock loads reduce the loading by 50%.
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