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Q.

How to build a cavity wall with insulation?

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0 2022-07-08T10:31:35+00:00

To understand how to build a cavity wall with insulation, I would like to explain the meaning of cavity wall insulation first. 

What is cavity wall insulation?

During construction, two layers of the wall are created with equal widths apart. The area becomes void which is known as a cavity. This cavity is generally found in the external walls of the building. Now, let us understand what is cavity wall insulation.

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Cavity insulation is a method to reduce the heat through a cavity wall and fill air space with thermal insulation. 

How to build new cavity wall insulation?

With modern methods, you can build an insulation layer (cavity batt) for cavity wall construction. Insulation can be filled partially or fully. Insulation should be placed in the inside layer so that if the void occurs it will be in the outer layer of the wall. Due to this method, air circulates back without too much heat loss. That is why the region is not affected by dampness. And it also prevents the wall from getting moisture inside the wall. Even if the moisture appears it will occur outside the wall. 

The insulation boards are placed with the help of retaining clips. They are placed in a cross formation between blocks of bricks. Due to insulation, the cavity doesn't need any type of fillings because the air void works as a thermal break.

This was all about cavity wall insulation. I hope you find this informative.

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