Tegelvloer met vloerverwarming onder een houten vloer

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Alphen a/d Rijn Amsterdam

Tile floor as a basis

On an existing tiled floor where underfloor heating is already present in the floor, it is quite possible to place a wooden floor directly over it to paste. You do not have to remove the existing floor and you can simply install the new wooden floor over the existing floor. However, the floor must be flat and firm.

Only with Slate it is not possible to glue the wooden floor directly onto it. Slate is too porous to glue a floor onto.

Preparations Tile floor

Before a wooden floor can be placed on a tiled floor, a number of points must be completed.

  • Check whether the tiles are secure, you can do this by tapping on them. If there is a hollow sound, the tile is not fixed. The advice is to take it out.
  • Remove or replace broken tiles. Also check whether the tiles are flat. If this is not the case, the tiles may need to be leveled. If the height differences are too great, the tiles must be removed.
  • Level deep joints to create a level base.
  • After this, you should degrease the existing 'old' floor with a cleaner and then mop with clean water.
  • After this, roughen the existing tile floor with grit 24, then vacuum.
  • Prime the roughened floor with a primer, then glue the wooden floor with a coarser comb to properly fill any height differences.

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Alphen a/d Rijn Amsterdam

Installing The Floor

A wooden floor can be installed either floating or glued. With patterns such as the chevron or herringbone, we always choose to fully glue them to the subfloor. The advantage of this is that the floor is well secured and has less resistance on your underfloor heating system. In the case of a floating floor, we will install a special subfloor on which the wooden floor is installed. This subfloor is suitable for combination with underfloor heating .

What about the Underfloor heating ?

It is already known that a wooden floor can be installed on a tiled floor with underfloor heating . But what about the operation of underfloor heating ? The warm-up time, time required for the system to reach the desired temperature, will increase slightly. This is because there are now 2 layers on top of the underfloor heating . However, nowadays composite wooden floors are often used. These are specially made to combine with underfloor heating . Both as main or additional heating.

View The Patterns

View various floors

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New underfloor heating

If the old underfloor heating is no longer sufficient, you can choose to have new underfloor heating installed by Uipkes. If you do not have enough space to install a wooden floor on top of the tile floor, we can remove and level it for you. Visit one of our showrooms for advice.

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Frequently Asked Questions

Can I install a wooden floor directly over an existing tiled floor with underfloor heating ?

In most cases, a wooden floor can be installed directly over a tiled floor with underfloor heating . However, this is not possible with Slate.

Do I need to remove the tile floor before installing a wooden floor?

The tiled floor often does not need to be removed. If the tile floor is properly secured, it can serve as a surface. 

Is a subfloor necessary under a wooden floor on a tiled floor with underfloor heating ?

Yes, in some cases the use of a suitable underlay between the tiled floor and the wooden floor may be an option. The subfloor must be suitable for use with underfloor heating and help improve heat transfer. In many cases, however, it is not necessary and the wooden floor can be glued directly to the tiled floor.

Do I have to take the height of the floor into account when installing a wooden floor over the tiled floor with underfloor heating ?

Yes, you must take the height of the floor into account when installing a wooden floor over the tiled floor with underfloor heating . Adding an underlay and a wooden floor can increase the overall floor height, potentially affecting doors, thresholds and adjoining rooms.

Do I need to switch off the underfloor heating during the installation process of the wooden floor?

Yes, during the installation process of the wooden floor it is advisable to temporarily turn down the underfloor heating . However, the underfloor heating does not have to be turned off completely; after installation, ensure a gradual increase of a few degrees per day.

Do I have to take the expansion and contraction effect of wood into account when installing a wooden floor over the tiled floor with underfloor heating ?

In many cases yes, wood has the property of expanding and contracting with changes in humidity and temperature. This is the natural image that every wooden floor shows. However, there are floors, such as Uipkes floors, that expand and contract minimally. This ensures a stable floor in combination with underfloor heating .