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Do you have any questions?

We are ready to help you!

[UZIN_UK] Contact-Flyout

Consultation

UZIN Customer Service & Technical Support

Locations

UZIN near you

Luxury vinyl floor tiles advice

Luxury vinyl floor tiles advice

 1. What needs special attention in the installation of LVT?

The deciding factor for the attractive appearance of the floor is perfect subfloor preparation of the substrate. When replacing cushioned vinyl or carpets with LVT, the impact sound absorption can be significantly reduced. This problem mainly occurs in rental properties. Some other factors to consider:

  • Acclimatising the luxury vinyl floor tiles is very important, especially when tape adhesives or tackifiers are used. These adhesives cannot prevent changes in dimension due  temperature variations during installation (image 1).
  • If something is intended to be installed on underfloor heating, then this should only be on hot-water underfloor heating and with a limit on the surface temperature of up to 28 °C maximum (image 2).
  • When using in medical areas, it should be noted that luxury floor coverings must be disinfected due to their high proportion of joints, and joint formation can be increased when using disinfectant (this extracts plasticisers), which can then strengthen the detrimental effect even further.
  • Make sure that chairs have suitable castors. Castor cups or rubber feet are recommended to use under chairs and tables.

2. Have you experienced any problems when installing LVT? What was the cause?

Installing on installation underlays: Wet bonding is generally not possible on installation underlays due to insufficient absorbency. If the pressure bonding method is then used as an alternative by selecting a suitable adhesive, the combined effect of two “soft” layers creates a considerable risk for impressions. Similar applies for resistance to castors. If the installation underlay itself still contains plasticisers, the damage can no longer be prevented (image 3). Using a suitable underlay such as UZIN RR 620 provides a solution to this problem.

Complaints are inevitable when installing diagonally on tackifiers. The many intersectional planes lead to a high number of small flooring pieces that cannot be securely locked by the roll tackifier. If movement joints are running in the space, the situation will be further exacerbated by the increased proportion of waste.

3. Which type of adhesive do you personally prefer?

“Prefer” would be the wrong word. What’s key in your selection is which application you’re planning on. 

First choice: Wet adhesive
Wet adhesives are good for universal use under LVT as they provide secure and relaible installation. Pressure-sensitive adhesives are popular but comes with a significant risk of residual indentations and dimensional changes They are therefore no longer considered to be the best type of adhesives to install LVT.  Installing with wet adhesives such as UZIN KE 66 reaches more than 50% of its final strength within the first hour, which fosters high security and best installation result for LVT.  

Special requirements: Dry adhesive
Selection criteria include fast processing and immediate load-bearing ability, installation on old flooring, installation without impacting the job site negatively, and can be removed without leaving residue.

Limited performance requirement and flooring selection: Tackifier
Roll tackifier for “simple” requirements and only for dimensionally stable floor coverings. There is a restriction, however, that takes effect once the floor covering has been removed. Removing the old tackifier is extremely difficult due to their softness and lasting adhesive properties - in our experience, a new construction can follow once the tackifier residue has been “isolated” with a 2-component PUR levelling compound. 

In cases of application wherein dry or wet adhesives can be used equivalently, we would give the  preference to dry adhesive: It’s innovative, sophisticated in installation, and unmatched for environmentally compatibility.

Which type of adhesive for which installation case?
Wet adhesive is universal because 

  • it works with all application conditions
  • it works with all usage conditions
  • it works for all types of luxury floor covering
  • ensures a permanently attractive view of the floor without joints 

It is the only adhesive that can be used safely with underfloor heating, high temperatures/direct exposure to light, and all floor coverings, and can work against joint formation.
The only drawback: You have to pay attention to product-specific setting times. Dry adhesive and roll tackifier are special products for the applications described above.

4. What are typical mistakes in installing luxury floor coverings

  • Failing to acclimatise the floor coverings before installation is one of the most common mistakes, in our experience. A possible consequence is that the edges of sheets bounce (image 1). The specifications from floor covering and adhesive manufacturers should be followed as a matter of principle. Unpacking the elements can be to your advantage, because these can be adapted to the environment conditions faster.
  • Installing in adverse indoor climate. A possible consequence is bubbling due to defective drying of the adhesive.
  • Uncoordinated systems, such as in the case of an insufficiently absorbent levelling compound, that lead to delayed hardening (image 4) or longer open time for roll tackifier when combined with wed adhesive.
  • A levelling compound coat that is too thin (thickness < 2 mm) or levelling compound that hasn’t dried enough likewise lead to the described effects.
  • Undersized dirt traps. These can lead to visual nuisances due to scratches.

Uzin Utz AG

United Kingdom

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