Material Information
Acoustic Floor Blocks are specially designed to meet high-performance requirements at low frequencies. Made from Sylomer® material, these elastomer point bearings are suitable for use beneath both dry and wet screeds.
Thanks to their outstanding dynamic properties, they are ideal for constructing floors with low natural frequencies – a critical feature in environments such as recording studios, cinemas, and stage productions, where vibration isolation has long been essential.
Applications
Impact noise insulation of hollow floor constructions including:
- Sound studios
- Cinemas and clubs
- Theatres
- Dwellings and offices
- Sport floors
- Bowling alleys
Floor Blocks Datasheet
Download the Acoustic Floor Blocks datasheet.
File size: 78kb
Specifications and tabular data for acoustic floor blocks
High improvement of impact noise even in low frequency ranges / Low creeping behaviour / Excellent shock and impact resistance / Allows services to be installed within the void / Outstanding performance over lifetime of the building. More information and product enquiries available on request.
Material properties |
Test methods |
Explanatory notes |
|
|---|---|---|---|
| Load range | 800 kg/m2 | ||
| Natural frequency | ≥ 8 Hz | ||
| Flammability | Class E | EN ISO 11925-2 | Normal flammable EN 13501-1 |
| Temperature range | -30 °C to 70 °C | Higher temperatures possible for short periods | |
| Weighted impact noise improvement ∆Lw | 31 dB | EN ISO 10140-3 | Classifi cation as per EN ISO 717-2 |
Impact noise improvement level according to EN ISO 10140-3
Experimental set-up
50 mm Trockenestrich Platten (59 kg/m2)
50 mm Acoustic Floor Blocks (st‘ 1,5 MN/m3)
140 mm Stahlbetondecke (320 kg/m2)
All information and data is based on our current level of knowledge. It can be used in calculations and for reference purposes. It is subject to typical manufacturing tolerances and does not represent warranted properties. Subject to change without notice.
f in Hz |
Ln in dB |
L in dB |
|---|---|---|
| 50 | 51.6 | 6.1 |
| 63 | 51.8 | 9.2 |
| 80 | 61.0 | 12.9 |
| 100 | 56.6 | 9.0 |
| 125 | 63.5 | 8.1 |
| 160 | 59.6 | 11.3 |
| 200 | 54.5 | 17.6 |
| 250 | 49.9 | 21.0 |
| 315 | 46.2 | 25.0 |
| 400 | 43.1 | 29.9 |
| 500 | 40.4 | 32.4 |
| 630 | 38.3 | 33.9 |
| 800 | 35.6 | 37.0 |
| 1,000 | 31.3 | 41.6 |
| 1,250 | 27.6 | 45.5 |
| 1,600 | 23.8 | 49.5 |
| 2,000 | 21.8 | 51.8 |
| 2,500 | 18.6 | 54.6 |
| 3,150 | 16.8 | 55.9 |
| 4,000 | 10.2 | 60.7 |
| 5,000 | 7.0 | 61.6 |
Floor Blocks Installation Guide
All information and data are based on our current knowledge. These instructions can be used as a proposal for the installation of Getzner Acoustic Floor Block.
Information is subject to change. For enquiries and related information, please contact us
1.
Before you begin, please read the installation instruction carefully.
2.
Requirements for the loadbearing surface:
Sufficiently dry.
Well swept (free of debris).
Level surface.
Protruding reinforcement (or similar) and sharp objects must be removed.
3.
Use a chalk line to create gridlines according to the installation plan on the substrate make for placement of the floor blocks.
Distance of the first line should be a maximum of 20 cm from the wall. Spacing (a) of the grid lines are approx. 40-60 cm.
4 (a).
Place the floor blocks by type according to the installation plan.
(Optional) Commercially available adhesives can be used during installation to prevent the floor blocks from moving.
4 (b).
As an alternative the floor blocks can be placed in a profile. The floor blocks must be spaced according to the installation plan.
5.
Laying the lost formwork (OSB – panels). Leave a 1 cm gap between the panels and the wall.
6 (a).
When laying layers of dry screed make sure that the joints of the panels are offset by a minimum of half the grid spacing.
Continue with point 8
6 (b).
When casting wet screed, make sure to place vibration mitigation material along the side walls and all vertical components. Tape all joints of prior to placing PE film. Lay PE foil to the lost formwork. PE foil joints should overlap 20 cm and run up on rising formwork components. Tape joints with suitable adhesive tape.
7.
Place the floor topping according to the manufacturer.
8.
Lay the finished floor. Provide a 0.5 cm gap between the floor and walls.
9.
Protruding parts of PE foil and the edge insulation strip can be cut off after installation of the finished floor is complete.