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Insulation of a floor can be done from above or from below. That is, you can place the insulation on the floor of the room, or on the ceiling of the lower room. Insulating soil from above is more common, especially when building a house.

Why isolate a soil from above?

Top insulation involves placing insulation on the floor and under the floor covering. Even if your flooring is naturally insulating, this is not enough to ensure effective insulation of the room.

If you have a crawl space, cellar or garage, or if you can not access the floor, prefer the insulation from below.

The problem of the insulation from above is to pay attention to the thickness of the insulation. It should not be put in place that makes the door openings more difficult.

How to isolate a soil from above?

Some steps are needed to insulate your soil from above. First, take measurements of the room and get all the necessary equipment. Put the insulation on the floor according to the recommended technique according to the product. For example, if it is a flexible insulation, you can overflow a little on the walls then cut the surplus to the cutter at the end. If it is an insulation in the form of panels, they can fit through grooves for example.

The insulation can be positioned directly on the floor, or on a concrete slab, depending on the case. The techniques of laying an insulation depend in particular on the location of your room (basement, ground floor...).

Which insulator to choose for the insulation from above?

Some insulating materials have both thermal and sound insulation characteristics. However, this is not always the most recommended solution for maximum efficiency. You can put a sound insulation and then a thermal insulation.

Insulators can be in the form of rigid panels or flexible rollers. Many types of insulators exist with specific characteristics.


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