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Interactive guide: Floors

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  • Usable properties Please select
  • Insulation type Please select
  • Application area Please select
  • Support orientation Please select
  • Substrate type Please select
  • 1. Ambient humidity Please select

Ambient humidity?

Substrate type?

Support orientation?

Application area?

Insulation type?


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By clicking on one of the items below choose the floor environment humidity.

By clicking on one of the items below choose the floor type.

By clicking on one of the items below choose the support orientation.

By clicking on one of the items below choose the floor application area.

By clicking on one of the items below choose the insulation type.

Size and flooring materials.

By clicking on one of the items below choose other usable properties.

The best solution for the floor designed by you

This floor system is currently being laboratory tested.

Technological procedure of assembly
can be downloaded in PDF format.

Download information

Entered parameters:

  • Room floor area: m2

Excerpt of material needed:

Under thin-layer flooring (PVC, carpet etc.) the CETRIS® board floors must be recemented across the full surface with emphasis on contact joints. Also unused predrilled holes or individual joining elements must be cemented. Bigger irregularities should be ground with angular grinder before cementing.

Penetrant must be applied onto dry floor before wooden parquet gluing. where the parquets are laid as floating the penetrant is not required but a separation membrane of unwoven textile or foam polyethylene between the parquets and the CETRIS® boards is recommended (to reduce creaking).

If a mosaic, stone of ceramic tiles are to be glued onto CETRIS® floors the maximum tile size recommended is 200 × 200 mm. These compositions are also recommended for anchoring of heating (resistance) mat and subsequent ceramic tile gluing. When gluing floor tiles it is necessary to follow instructions of the glue manufacturers (recommended consumption, size of cogged spatula at least 8 – 10 mm, glue application on both glued surfaces). Hydro insulation is not needed in rooms not stressed with water splashes. When using a floor tile size bigger than 200 × 200 mm it is recommended to increase the floor compactness – ideally by reducing axial distance of the supports to a half (by beam insertion), or by increase of the slab thickness by 30%.

Detailed information
about floor gluing can be downloaded in PDF format.

Download information

Size and flooring materials:

  • m2
    Show result

Size and flooring materials:

  • m
  • kN/m2
  • m2
    Show result
Room nature Standard load in kNm-2
Lofts, inaccessible terraces and flat roofs with roofing element span up to 9.00 m<0.75/td>
Residential apartments including corridors and antechambers, rooms in dormitories, hotels, nurseries and creches, bedrooms of school dormitories and sanatoria, hospitals, polyclinics and other healthcare facilities, medical surgeries and waiting rooms1.5
Rooms and offices of research institutions, office buildings, reading rooms, school classrooms and other teaching facilities without installation of heavy equipment or material storage, agricultural rooms and spaces2
Yards and corridors in the above buildings except for schools, auditoria, dining halls, cafés and restaurants3
Yards and corridors of dining halls, cafés, restaurants, schools, stations (their public access parts), theatres, cinemas, clubs, concert halls, sports halls, department stores, museums, exhibition halls and pavilions, libraries and pavilions, libraries and archives of industrial buildings4
Class A Areas for domestic and residential activities.
Class B Offices.
Class C Gathering areas.
Class D Commercial areas.
Class E Goods storage and access areas.
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