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Insulit BI+9 - Acoustic underlay for screed - Insulco
Acoustic underlay for screed against impact noise and airborne noise .
This high-performance membrane is placed under a screed at least 6 cm thick .
Price and quantity per m². Please indicate the quantity in m².
Volume discounts
Quantity | You Save | Unit price |
---|---|---|
45 | 5 % | CHF9.63 |
150 | 10 % | CHF9.12 |
270 | 15 % | CHF8.61 |
Insulit BI+9 - Acoustic underlay for screed - Insulco
Price and quantity per m². Please indicate the quantity in m².
Insulit Bi+9 is an underlay intended for the acoustic insulation of the floor. It greatly limits the transmission of impact noise and airborne noise between floors.
This high-performance membrane is placed under a screed at least 6 cm thick.
This is the most technical and high performance thin underlay on the market.
Composition :
Insulit Bi+9 is made of cross-linked EVA polyethylene foam with closed microcells assembled with a felt with very low dynamic stiffness.
This double structure allows, thanks to the felt, to correct the low frequencies from 100 to 500 Hz and the foam corrects the medium and high frequencies from 500 Hz to 5000 Hz.
The upper part of the foam is provided with a highly tear-resistant reflective aluminized film . The lateral foam covering of ± 10 cm and its integrated adhesive offer a clean, neat work and guarantee an ideal installation.
Benefits :
- Very high performance.
- Attenuation of impact noise and airborne noise.
- Low dynamic stiffness = superior acoustic performance.
- Effective on all frequencies.
- Quick and easy installation.
- Flexible and tear resistant.
- Low creep.
- Integrated self-adhesive cover.
- Recent CSTC reports = guaranteed results.
Floating pose:
The insulit Bi+9 acoustic underlay is placed under a floating screed at least 6 cm thick. It separates the screed from the rest of the building structure and thus prevents the transmission of noise through the floors.
Technical characteristics :
- Materials: Aluminized film, cross-linked EVA polyethylene and acoustic polyester felt.
- Thickness: ≥ 10 mm (under 1.5 kPa).
- Colour: Metallic (film) / Blue (foam) / White (felt).
- Impact sound reduction:
- ∆Lw = 30dB(A) (ISO 717-2:2013; EN ISO 10140-3:2010)
- ∆Lw = 34dB(B) (ISO 717-2:2013; EN ISO 10140-3:2010)
- Dynamic stiffness: s't = 5 MN/m³ (EN 29052-1).
- Tear resistance: 50 - 50 N (EN 12310-1).
- Compression: ±10% under 2 kPa (10% tolerance).
- Thermal resistance: R = 0.30 m² K/W (EN 823:2013).
- Thermal conductivity :
- λ = 0.0356 W/m K at 10°C (foam) (EN 12667:2001)
- λ = 0.0353 W/m K at 10°C (felt) (EN 12667:2001)
- Size: 30m x 1.50m.
- Weight: ±350gsm.
- Weight / roll: ±18 kg.
- Covering: Integrated self-adhesive covering (±10 cm).
- Packaging: In plastic with installation instructions.
Attention :
- For logistical reasons: orders that are too small or too light may be declined. In general, the minimum order is 20m², but we are still listening.
- All orders with problematic or too weak logistics can be picked up directly by the customer.