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Different types of underlay explained

There are a few different types of underlay, so you need to be sure that you use the correct one for the type of flooring that you have. It is basically a thin layer of material. It sits between the subfloor and your choice of floor covering.  The most popular types are either for sound proofing or thermal resistance.

Here are some of the different types and what they are used for:


Thermal Resistance

If you are looking for an something to provide you with thermal resistance, then check out our Silver Bam. It has a tog rating of 0.9 so will give you a good level of insulation.  This is a great choice if you have wooden or bamboo flooring.

Silver Bam

Sound Proofing

Underlays with sound proofing qualities have a decibel (dB) rating.  The higher the rating, the better they are a reducing sound. With a wooden floor, you should be looking for a rating of at least -25dB. We would recommend Cush N Wood underlay.


Underfloor heating 

If you have an underfloor heating system you will need a specially designed underlay which will allow the transfer of heat.  It should be a low tog rating to provide the least thermal resistance.  Have a look at our range of underfloor heating underlays.

Suitable for underfloor heating

Laminate underlay

If you are installing laminate flooring, you should make sure that you use the correct type of underlay. We have a range  for laminate floors.  Please contact us if you are not sure which one is most suitable for you.


LVT underlay

There are a few different types of underlay for LVT (Luxury Vinyl Tile) floors, depending on where your floor is being installed.  Please contact us for advice if you are unsure of which one to use.


For more detailed information, have a look at our Guide to Underlay.


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