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How to insulate the foundations

How to insulate the foundations

The freezing of the soil leads to a deformation of the ground, and building envelope.

To address this it is necessary to insulate the foundation that will prevent freezing of the soil and its consequences.

You will need

  • - Extruded polystyrene
  • - sand

instructions

1

Excess moisture in the soil under the structure of the freeze andsignificantly increased with soil in the volume. These processes give rise to forces that can push out the foundation from the ground. And at thawing the ground becomes pliable and durable. The result is that sags and foundation, with all the consequences for the structure.

2

If there is excess moisture in the soil to beprovide drainage. Reducing the forces of frost heaving by conventional sand cushion under the foundation thickness within a hundred millimeters does not solve the problem completely. An effective way to deal with the freezing of the soil as a cause of the swelling, insulation works are the foundations for the perimeters of buildings:
Make a notch on the perimeter of the house depth of 400 or 500 millimeters.

3

The bottom of the recess to fill sand two hundred millimeters and well compacted.

4

With a slight slope away from the wall to fit into the recessextruded polystyrene, and the plate width shall be not less than the depth of freezing soils in this region. This type of insulation material is resistant to the presence of a moist environment without losing its properties.

5

The layer thickness of the zone corners to fit into half the thickness, given the fact that the heat loss to the outside corners are significantly higher than in the plane of the wall.

6

On the insulation layer of sand on top to fill about 300 millimeters.

7

After completing work with insulation on the perimeter around the house is filled with blind area of ​​concrete.

8

This method of insulation will preventfreezing of the soil and the ejector force heaving soils will not have destructive effects on the foundation, as well as reduce the heat loss of the basement. At the same time it creates a constant temperature during the summer in the ground recessed space that prevents condensation.

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