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Glue down or underlay?

Mapei Ultrabond Eco S948 1K Adhesive and woods good eco gold underlay

What type of flooring needs to be glued down?

Solid Wood Flooring – is a 100% natural product which expands and contracts significantly with changes in moisture and temperature. It needs to be glued securely to the subfloor to minimise the amount of expansion and contraction.

Glue Down LVT – is specifically designed to be glued down, the intended purpose of the floor requires it to be glued down. The floor type is designed for high traffic areas which require a completely solid and secure floor. Floors in high traffic areas are also more likely to become damaged, replacing damaged planks is much easier for glue down LVT as single planks can be replaced as the planks are not connected to each other.

Plank Engineered Wood Flooring – Can be either floated on underlay or glued down. A common question is do you glue engineered wood flooring joints together? You glue tongue and groove joints. You do not glue click joining mechanism joints.

Which is better glue down or floating floor?

Neither is better than the other, it depends on the floor type;

Laminate for example is designed to be floated on underlay, therefore floating is best for laminate flooring.

Solid Wood Flooring should be fully bonded, so glue down is the best choice.

Plank Engineered Wood Flooring can be floated on underlay or glued down. It is easier and quicker to float on underlay, but more secure to glue down. Floating vs glue down engineered floor installations are simply down to preference.

Parquet Wood Flooring is always a glue down wood flooring. Floating on underlay is not suitable for this floor type.

Click LVT flooring is designed to be quick and easy to install with built in underlay, so it should be floated on the built in underlay.

Glue Down LVT is designed to be very hard wearing and easy to replace individual damaged planks, and it needs to be glued down.

Click LVT Flooring is the easiest floor type to install thanks to click together planks and built in underlay

What happens if you don’t put underlayment down?

If you don’t put underlay down under carpet for example, the carpet can feel hard and uncomfortable to walk on. It can also feel cold as the missing underlay would have provided extra insulation. Many carpet manufacturers actually specify that their products need to be installed over underlay, and that not doing so can not only increases the wear and tear on the carpet but can even void the warranty.

Why can’t you glue down laminate flooring?

People often wonder can you glue down a floating floor, and we always explain how important it is to follow the installation guidelines for the product in question. The reason you can’t glue down laminate flooring is that laminate expands and contracts with the changing temperatures of its environment. Only when laminate is floated over underlay is it able to move freely without damaging itself.

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