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GLOSSARY

GLOSSARY

Acoustic behaviour

First and foremost, a distinction must be made between ambient and impact sound: ambient sound can be heard in the same room, impact sound in rooms located below or adjoining rooms. Full-spread gluing of parquet floors improves the ambient sound values significantly compared to floating installation.

 

Brinell hardness

The hardness grade of a wood type is an important indicator of the wear and impression resistance to be expected.

 

Brinell hardness comparison

A wood's hardness can be determined by the Brinell hardness test. The test consists of pressing a steel ball with a diameter of 10 mm against the surface of the wood. The material's Brinell hardness is determined by the size of the indentation and the force applied to the ball. The higher the Brinell hardness, the harder the wood. Indicated hardnesses are always average values. The hardness of wood can vary depending on where the tree grew and how it was cut (all woods are harder when cut lengthwise to the fibre).

 

Colour changes due to the effect of light

Chemical reactions in the wood substance, prompted by daylight, cause colour changes. This natural change tends to happen early on and testifies to the authenticity of the natural product.

 

Effect of moisture

When exposed to moisture, wood reacts by swelling and shrinking. Installation on polyethylene sheeting does not constitute absolute sealing from underneath. A dry subsurface is therefore always required. Standing moisture should also be prevented from above in any case. Gap openings resulting from this are not a cause for complaint.

 

Glueless, floating installation

In case of floors intended for heavy use, in case of underfloor heating and in case of installation in larger rooms and for long-term installation we recommend the additional use of glue at the head edge inside the groove-shaped notch. Lengthwise gluing is also possible.

Always lay a vapour hindering and rot secure polyethylene sheeting of at least 0.2 mm in thickness under your tilo floor. It will not only protect the floor from damp, but also create an even sliding base so that the floor can float without hindrance.

 

Suitable for renovating

Parquet floors can even be renovated after decades of heavy use. Sanding of the surface, resealing or oiling or waxing restores the floor to mint condition.

 

Rift sawn

Cut goods are, among other things, differentiated according to their annual rings.


Rift sawn (rift cut / mirror cut) means that predominantly standing annual rings are present i.e. annual rings appear on the wide side of a board as fine parallel lines. Wood cut in this way has greater dimensional stability than wood with lying annual rings. In practice, not only standing and lying annual rings exist, but also diagonal, which are known as half-rift.

 

Full spread gluing with adhesives

tilo floors can also be glued with the subfloor. To this end use tilo adhesive systems. Before starting with the installation work you must check the subfloor to be sure it is ready for the installation (DIN 18356 „Laying of parquet floors“) and it meets the specified requirements.

Reference to adhesive: Use the products from the tilo range of adhesives. Make sure to follow the application instructions given on the package and/or the relevant manufacturer‘s instructions. If you need further installation hints and/or if you have any questions please contact the tilo service team.

 

Climate of living

Floorings made of wood, wooden materials, cork or linoleum are ideal both in terms of well-being and of building physics. A healthy room climate will contribute to maintaining the value of the natural floor and is simultaneously important for the general well-being of people. The relative air humidity shall be between 40 and 60 %. Dry air can be prevented by using humidifiers and arranging indoor plants. Hygrometers and thermometers will help you monitor the values.

 

Thermal conductivity

Wooden floors are perceived as warm to the feet due to their low thermal conductivity.

 

Thermal conduct resistance

Thermal conduct resistance indicates the insulating value of a material on the basis of the thermal conductivity index, which also considers the thickness of the material. In case of an underfloor heating the thermal conduct resistance for all layers above the heating must not exceed 0,15 sqm K/W, otherwise the heat can not be sufficiently transmitted to the room. Minor deviations from the limit, however, will be insignificant.