Our systems
Documentation
With Granab subfloor system, you get a flexible solution tailored to each project – whether it’s new build, renovation or complex rooms with strikt acoustic requirements
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 are installed here
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).
