MAD Bituminous Membrane for Low Frequency Acoustic Insulation.
M.A.D. (short for Membrana Acústica Danosa, or ‘Danosa Acoustic Membrane’ in English) is a high density bitumen modified membrane specifically designed to behave as an anti-resonant material. It is an efficient substitute for lead sheets. Between porous absorbers materials works like a panel absorbers (most efficient at absorbing low frequencies).
Application
- It is used in industrial insulation as an anti-resonant material, providing acoustic mass to galvanised steel sheets.
- It is used between rigid elements, such as gypsum plasterboard, to improve low-frequency insulation in both vertical and horizontal walls.
- Used between spring elements to increase the overall isolation of the treatment, improving significantly at low frequencies.
Advantages & Benefits
- By adhering to galvanised steel sheets, it improves the resonance of the sheet.
- By increasing the insulation at low frequencies, cavaties used can be kept to a minimal size.
- By increasing the mass of lightweight walls, a higher acoustic performance is achieved.
- It shifts the resonance frequencies of the rigid elements making the insulation stronger.
- Between insulators, it transforms acoustic energy into dynamics, improving insulation at low frequencies.
- Easy to install by stapling to the surface or using M.A.D. Self-adhesive.
Sizes
- 610034 – MAD2 1m x 12m (12m²) 2mm thick
- 610035 – MAD4 1m x 6m (6m²) 4mm thick
- 610036 – MAD4 Self Adhesive 1m x 6m (6m²) 4mm thick
- 610017 – MAD4 Self Adhesive Sheet 1m x1.2m (1.2m²) 4mm thick
- 610011 – MAD6 1m x 4.5m (4.5m²) 6mm thick
- 610019 – MAD6 Self Adhesive 1m x 4.5m (4.5m²) 6mm thick
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