• Insulation of the foundation on screw piles: important, tips, features

    02.10.2021

    Each of us wants his house to become a model of comfort, warmth and harmony. To achieve these goals, you need to take care of a comfortable environment in your home. Your home should protect you from the most severe frosts. To achieve this, you need to carry out the procedure of warming your home. Thus, the insulation of the foundation on screw piles contributes to the achievement of a comfortable environment in the house.

    Features of the pile type foundation

    Increasingly, in cities you can find buildings with foundations in the form of screw piles. Consider the main advantages of this type of base:

    • A simple and affordable way to build
    • Speed ​​of work
    • This type of base can be used on almost any type of soil.

    Features of the foundation on screw piles require construction work at almost any time of the year and without the help of professional specialists.

    When a pile foundation is needed

    • On land plots with a high level of groundwater flow
    • On loose soils
    • On sandy soil types
    • Locations prone to flooding
    • In places with a humid climate
    • In places with unstable ground of various types

    What is the foundation

    The main part of the base is a beam - a pile. It bears all the main load of the building. Therefore, rather high requirements are usually applied to piles.

    The screw pile is made of durable hardened metal. To evenly distribute the main load of the building, the base grillage system is used.

    • Screw pile diameter can vary from 10 to 35 cm
    • The length of the beam is from 1.5 to 9 m
    • The thickness of the pile is approximately 1 cm

    At one end of the pile there is a sharp tip, at the other - a cap for deepening into the ground.

    Foundation installation

    When carrying out work, they are guided by the following scheme:

    1. Digging holes around the perimeter of the construction site
    2. Installation and deepening into the ground of piles
    3. Strengthening the beams with a drainage cushion
    4. Fixing them by filling the cavity of the cap with a solution of cement
    5. Installation of a grillage
    6. Carrying out waterproofing
    7. Insulation of the foundation on piles
    8. Facing piles with protective materials

    As you can see, the construction process is quite easy and quite accessible for independent work.

    Do you need thermal insulation

    Many builders want to save as much as possible on the work, so they often refuse such necessary measures as waterproofing and insulation.

    When wondering whether it is necessary to insulate the foundation, one should consider its design in more detail.

    The fact is that this type of basement is a system of pillars installed under the building. However, there is a lot of free space between the posts. This serves as a source of accumulation of cold air flows, which leads to a general decrease in the thermal conductivity of the entire building.

    To avoid this, it is imperative to carry out the warming procedure. We figured out why to insulate the foundation. Now let's take a closer look at the object of work.

    What needs to be insulated

    • Carrying out waterproofing works.

    Work is carried out on the surface of the grillage. Roofing material is used as a waterproofing material. It is laid in the gaps between the grillage and the building itself.

    The surface of the piles and the grillage must also be treated with a mastic that does not allow moisture to pass through.

    • Installation of thermal insulation. After choosing the material for work and calculating its parameters, you can proceed directly to the installation of the thermal insulation layer.

    Using an adhesive, sheets of heat-insulating material are applied around the entire perimeter of the grillage and along the surface of the piles.

    It is necessary to firmly fix the waterproofing materials. For this, mounting foam is used, which is laid in the seams between the material plates.

    • Conducting exterior cladding. Various types of decorative tiles are used as materials. So, you can use materials that imitate brick, natural stone. For cladding, you can use marble, granite, porcelain stoneware. As a budget option, a profiled sheet or siding panels are used.

    The lining of the base is necessary to protect it from external environmental influences and damage to the surface of the thermal insulation.

    Economical work option

    In cases where there are no sufficient financial resources for the insulation of the foundation on screw piles during construction, you can use the following method of insulation:

    1. Installation of roofing material
    2. Work with mastic
    3. Filling the spaces between screw piles with a layer of soil
    4. Carrying out finishing work

    Features of this method:

    • High economy
    • Low price category
    • Long working time
    • Quite a complicated process
    • Low level of efficiency

    Carrying out basic calculations

    Before starting work, a preliminary analysis should be carried out. To obtain accurate calculations on the parameters of the heat-insulating layer, to calculate its effective thickness, the following measurements must first be made:

    • Building perimeter
    • Room area
    • Area of ​​living rooms
    • The degree of load on the base
    • Parameters of used screw piles
    • Number of people living in the building
    • Features of the local climate
    • The level of freezing of the earth's surface

    Only after taking into account all the above factors, it is possible to accurately calculate the required amount of heat-insulating material and the thickness of the layer used.

    • After completion of the procedure for warming the basement of the building, it is necessary to withstand at least 7 days to strengthen it. Then you can proceed to install the waterproofing layer.
    • Do not forget about the installation of ventilation. Ventilation openings must be strictly opposite each other with a step of at least 1.5 or 2 m.
    • To prevent destruction and shift of the soil, do not move, move or try to unscrew the foundation piles. This can lead to its complete destruction.
    • To strengthen the base and increase the level of its reliability and strength, you can lay a layer of reinforcing mesh.
    • With a properly carried out procedure, the space inside the base can be used for various household needs (underground, shed, warehouse, storage space for homework, etc.). In this case, communications can be carried out into the room. Thus, you get an additional technical floor in your own home.

    As you can see, the procedure for strengthening the pile foundation through its thermal insulation is available to almost everyone. It can easily be done by any builder. There is no need to resort to the use of specialized equipment and acquire additional theoretical skills.



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