System 3000N
- Adjustable height 30 – 180 mm, excl. floor covering
- 6mm, 12mm dampening element
- Suitable for projects with low building height
A subfloor system made of steel that provides effective impact and airborne sound insulation. Granab is fast and dry to install and without wet surface levelling and can be used to conceal installation in the space between the slab and the floorboards. An environmentally friendly option with 50% less CO2 impact compared to concrete.
The system can be fully customised according to the requirements of your premises
You decide:
- Height of the system
- Natural frequency requirements
- Overfloor construction
- Load requirements
- Floor covering on top of the system
Impact and airborne sound reduction 3000N
Sound insulation measurements Granab subfloor system installed on HD/F 200 mm.
Accredited sound insulation measurements according to SS-EN ISO 140-4-7 performed by KM Akustikbyrån.
Design:
Granab subfloor system installed on HD/f 200mm and 22mm chipboard + carpet.
Result:
Impact sound: Lnw+c 43 dB, Airborne sound: Rw+c 65 dB.
Design:
Granab subfloor system installed on HD/f 200mm and 22mm chipboard + 15mm parquet.
Result:
Impact sound: Lnw+c 43 dB, Airborne sound: Rw+c 65 dB.
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6mm, 12mm dampeningelement. -
Steel girder with details. -
S-3000N can be combined with 25mm cellular plastic insulation.
Projects with Granab S-3000N
Documentation
Installation instructions
Read and download our installation instructions and other catalogues.
Learn more
Type approval
Read and download the systems type approval from RISE, Swedish Research Institute.
Our systems
Environmental certification
Granab works actively to reduce environmental impact and has certifications that confirm our commitment to sustainability. All our subfloor systems have Environmentally Product Declarations (EPD).
