Sports floors
- Meets the standard of combi-elastic sports flooring class 4
- Meets the load requirement for room category C5 according to EKS
- Able to accommodate natural frequencies that are as low as 10Hz
- Recommended by Byggvarubedömningen
- Approved according to SundaHus
Granab has five unique sports floors that fulfil all requirements and standards for sports floors. The unique construction of the sports floors allows them to meet the load requirement C5 according to EKS (European Construction Standard).
The girders can be installed on uneven surfaces and adjusted to a precise height using the adjustment screws, the structure can also be supplemented with underfloor ventilation.
Granab has developed various constructions for sports floors to meet your project’s sound requirements. We have sports floors that can handle a natural frequency of as low as 10 Hz.
Read more about Granab sports floors in sports halls
The system can be fully customised according to the requirements of your premises
You decide:
- Height of the system
- Natural frequency requirements
- Over floor construction
- Load requirements
- Floor covering on top of the system
Granab Sport flooring with sports mat
COMBI ELASTIC S-3000N25 – Sport, Natural frequency: 25 Hz
Granab’s COMBI ELASTIC S-3000N25 steel system enables the use of a 25 mm Sylodyn damping element. In combination with two 22 mm floor chipboards above, this gives a natural frequency of 25 Hz. A sports floor construction that can be used in projects with extremely low building heights. The system builds 70 mm to the top of the chipboard.
S-7000N25 – Sport (standard), Natural frequency: 25 Hz
Granab’s steel system 7000N25 contains Granab’s unique 25 mm Sylodyn damping element, which, in combination with two 22 mm floor chipboards above, provides a natural frequency of 25 Hz. A common construction for sports halls without extreme sound requirements.
S-8000W25 – Sport (wooden beam), Natural frequency: 25 Hz
Granab’s 8000W25 wooden beam system, combined with two 22 mm floor chipboards, provides a natural frequency of 25 Hz. This is a common construction for sports halls without extreme sound requirements.
S-7000 ND25 – Sport, Natural frequency: 17 Hz
Granab’s steel system 7000 ND25 contains Granab’s unique damping element ‘ND25’, which is softer than the standard element. In combination with two 22 mm floor chipboards on top and a plasterboard/Recoma in between, this gives a natural frequency of 17 Hz. A sports floor construction that can be used for higher sound requirements.
S-9000 NE50 – Sport, Natural frequency: 14 Hz
Granab’s steel system 9000 NE50 enables the use of a 50 mm Sylodyn damping element. Granab’s unique ‘NE’ damping element is softer than the standard element, and in combination with two 22 mm floor chipboards on top and a steel plate in between, it provides a natural frequency of 14 Hz. A sports floor construction that can be used for projects with high acoustic requirements.
S-9000 ND50 – Sport, Natural frequency: 10 Hz
Granab’s steel system 9000 ND50 enables the use of a 50 mm Sylodyn damping element. Granab’s unique ‘ND’ damping element is softer than both the standard element and the ‘NE’ element. In combination with two 22 mm floor chipboards on top and three plasterboards/Recoma in between, this gives a natural frequency of 10 Hz. A sports floor construction that can be used for extremely high sound requirements.
Granab Sports Flooring with sports flooring parquet
AREA ELASTIC SPORTS FLOOR A4, Natural frequency: 25 Hz
Granab’s steel system 7000N25 enables the use of a 25 mm Sylodyn damping element. In combination with two overlying floor chipboards of 22 and 16 mm, this gives a natural frequency of 25 Hz. A sports floor structure that can be used for sports parquet flooring. The sports floor is designed and tested to meet the requirements for premises category C4 according to the load requirements in EN Eurocodes.
AREA ELASTIC SPORTS FLOOR A3, Natural frequency: 23 Hz
Granab’s steel system 7000N25 enables the use of a 25 mm Sylodyn damping element. In combination with two 22 mm floor chipboards above, this gives a natural frequency of 23 Hz. A sports floor structure that can be used for sports parquet flooring. The sports floor is designed and tested to meet the requirements for premises category C5 according to the load requirements in EN Eurocodes.
Choosing a sports floor
A sports floor must meet high standards of safety, comfort, load-bearing capacity and performance in order to create optimal conditions for all types of sporting activities. There are a variety of sports floors adapted to different sporting activities and acoustic requirements.
We offer sports flooring that complies with the EN 14904 standard and provides the right balance between deflection, friction and durability for both professional sports facilities and school environments.
We offer a sports flooring construction where any sports flooring mat or sports flooring parquet can be used, regardless of the type of sport or facility you have. The entire floor surface must maintain consistent, high performance to ensure safety and comfort. It is easy to install, and our floor constructions with type-approved floor support systems have the longest service life on the market. We also offer more than just flooring – we help you find the right solution based on your needs.
Different types of sports flooring for every need
When choosing sports flooring, it is important to understand the difference between the three main types: point-elastic, area-elastic and combined-elastic sports flooring. Each type has its own specific characteristics and is suitable for different areas of use.
Point-elastic sports floors
Point-elastic sports floors provide a soft and flexible surface that reduces the risk of injury by adapting to the load at each specific point. These floors are ideal for preschools, gyms and smaller training facilities where comfort and safety are priorities. The point-elastic function allows the floor to have abit of deflection locally, thereby significantly reducing the load on joints and muscles.
Area-elastic sports flooring
Area-elastic sports floors distribute force over a larger area and are ideal for ball sports such as basketball and handball. These floors offer the right bounce resistance and friction for fast movements, making them suitable for secondary schools and sports halls where several different sports are played.
Combined-elastic sports flooring
Combined-elastic sports floors combine the advantages of both point and surface elastic systems through a resilient subfloor with point elastic covering. This creates an optimal balance between shock absorption and stability that suits most sports, from martial arts and dance to handball and floorball.
Key factors when choosing sports flooring
A good acoustic environment is now a priority requirement, just like safety, performance and user comfort. Here are some of the factors you should consider:
Comfort and flexibility for reduced risk of injury
It is important that the floors are not hard or completely rigid. The Granab system meets the standard for class 4 combination elastic sports floors, which is the highest class for combination elastic sports floors according to EN 14904.
Safety and friction
According to EN 14904, a safe sports floor must offer the right balance between slip resistance and slip. Too much friction can lead to twisting injuries, while too little friction increases the risk of slipping.
Sports flooring for different uses
Our sports flooring is suitable for many different activities, including:
• Sports halls and arenas
• Gyms and training facilities
• Dance studios
• School gyms
EN 14904-standard
All our sports floors comply with the EN 14904 standard, which defines minimum requirements for shock absorption, friction, vertical deformation, ball bounce and rolling load. This ensures that the floors meet the high demands placed on modern sports facilities.
Load requirement
All Granab sports floors consist of at least two layers of board material to meet load requirements in accordance with European construction standards (EN Eurocodes) and the Swedish National Board of Housing, Building and Planning’s construction regulations. Our systems meet room categories from C4 to C5.
A 22 mm chipboard floor is approved for a point load of 2.0 kN, thus for premises category A, which includes rooms in residential buildings. Two layers meet premises category C5, the highest load index.
A common misconception is that load requirements do not apply to a raised sports floor. According to RISE and Boverket, these requirements apply regardless of the area of use and premises category. A sports floor with only one board material that is thinner than 38 mm is therefore not approved according to EN Eurocodes and Boverket’s load requirements. It is difficult to meet these requirements as neither the surface layer nor the joist construction may be taken into account in these tests.
If you would like to know more about load requirements, please contact us.
Environmental benefits
The Granab system is environmentally friendly, with up to 50% less CO2 impact than concrete casting (applies to systems 3000N, 7000N and 9000N). The Granab system is also approved by SundaHus, which means that the system is classified and approved according to SundaHus criteria for environmental and health aspects. It is also recommended in the Byggvarubedömningen and listed in Svanen.
Projects with Granab Sports floors
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
Sports floors
Eight unique Sports floors able to accommodate natural frequencies that are as low as 10Hz.
Read more
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).