Sobinco Silentbloc
Purpose made acoustic (sound attenuating) glazed-in ventilator
For use on PVCu, timber or aluminium windows
Silentbloc is a thermally broken purpose made acoustic (sound attenuating) glazed-in aluminium ventilator that provides an Equivalent Area (EA) of 12500mm² per metre. The Silentbloc is available in made to measure sizes in a variety of colours. Silentbloc is ideal for installation in commercial applications such as hospitals, schools and offices.
Features & Benefits
- Two versions available depending on acoustic requirement.
- Supplied made to measure.
- Thermally broken.
- Suitable for fitting over the glass, above a transom or over the top of the window.
- Suitable for various glass thicknesses.
- Special colours available on request.
- Different internal and external colour combinations possible.
- Cord or rod operation also available.
- Fascia detachable for cleaning.
- Note to Specifiers – Silentbloc type ventilators are purposely designed to offer sound attenuating capabilities. Independent tests have demonstrated other smaller slot or glazed-in 'acoustic' ventilators do not give any significant improvement in the acoustic performance of a window complying with background ventilation requirements, compared to one using standard non-acoustic ventilators.
- When specified correctly, complies with Building Regulations.
Manufactured From
Aluminium 6063 HIT T6, component parts PVCu, POM, PA6 & PP (UV Stable)
Standards
Tested in accordance with BS EN 13141-1:2004 (air flow, air leakage and weather tightness).
Acoustic performance tested in accordance with BS EN ISO20140-10:1992, BS EN ISO140-10:1991 and single figures to BS EN ISO717-1:1991.
Performance
(Full test details available on request)
Equivalent Area (EA) (mm²) – Silentbloc 3 12500 per metre, Silentbloc 5 - 14000 per metre.
Free Area (mm²) - Silentbloc 3 - 20000 per metre, Silentbloc 5 - 20000 per metre.
Air Leakage (m³/hr @ 50Pa) - Silentbloc 3 - 2.65 @ 507mm overall length, Silentbloc 5 - 1.21 @ 507mm overall length.
Acoustic D n,e,w (+/-) - vent open 40, vent closed 49 (Silentbloc 3; 1000mm overall length), vent open 43, vent closed 52 (Silentbloc 5; 1000mm overall length).
Finishes
Available on request.
More information
enquiries@titon.co.uk / 01206 713801


