Designed to cover the rear of in-ceiling and in-wall speakers, a fire and acoustic hood is a legal requirement for many new buildings.
But whether legally required or not, we'd recommend them as a safety precaution.
Using a fire and acoustic hood helps resist the spread of fire through the floors of a building and to reduce the transmission of noise to adjacent rooms and properties.
It's a requirement for all speakers that are installed below any habitable rooms and escape routes.
Maintaining Fire Ratings
The hoods maintain fire rating integrity of the ceiling to which they are fitted, thus enabling 30 minutes or 60 minutes of fire rating to be maintained.
Tested at the UK Building Test Centre and complies with Part B and Part E of UK building regulations - reports are available on request.
Reducing Sound Leakage
When a speaker is installed into a ceiling or wall it can help transmit unwanted sound, potentially into another property, even when the speaker is not in use.
Adding these hoods effectively restores the acoustic integrity of the ceiling or wall.
When the speaker is in use it can also reduce the rear transmission of sound by around 10dB over the mid to high frequency range.
Preventing the transmission of low (bass) frequencies is a specialist field and may require substantial additional treatment.
Specifications
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Woven Glass Fabric: Thickness - 0.40mm, Weight/m² - 430 g/m²
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Warp count: 1360 d’tex
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Finish: Starch weave lock
Sponge Properties
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Physical form/appearance: Solid, voluminous material, more or less elastic.
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Specific gravity: 10-600 kg/m³
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Solubility in water: Insoluble
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Odour: None or mild odour
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Flash ignition point: Between 315ºc to 370ºc
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Decomposition temperature: Above 180ºc
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Thermal energy: 28 000 KJ/kg
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Stability and reactivity: The product is stable at temperatures between -40c and +12ºc
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Auto-ignition point: Between 370ºc to 427ºc (ASTM D 1929)
Test Details
Complies with Part B and Part E UK building regulations
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Trada FR 1739 240 mins 46 mins
External Dimensions
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Qi 50CF - Dia. 270mm, Depth 100mm
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Qi 65CF - Dia. 290mm, Depth 100mm
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Qi 80CF - Dia. 320mm, Depth 110mm
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Qi 65RF - Dim. 270mm x 350mm, Depth 100mm
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Qi 80RF - Dim. 320mm x 400mm, Depth 110mm
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Qi 65 LCRF - Dim. 270mm x 540mm, Depth 110mm
Our aim is to get your product to you as soon as possible from your order.
We do however strongly suggest that you order in good time before you need the item(s) to ensure safe delivery.
DELIVERY COSTS
All orders are shipped via next working day courier using a combination of DPD & ParcelForce.
Next Working Day = £6.99 + VAT
Orders Over £250 + VAT = £FREE
Saturday Delivery = Call Us To Book & Confirm Costs.
STOCK
We hold good stock of the majority of our goods however some items are ordered in as and when required.
If you need an item urgently please call us on 02392 006118 to first confirm lead time.
Our aim is to keep stock so you don't have to and we'll always endeavour to get your product to you ASAP.
ORDER CUT OFF
All orders received before 2pm will be processed for next working day delivery. Orders received after 2pm will be processed and dispatched the following working day.
