Nuances of insulation of the ceiling, walls, floor + Video

Nuances of insulation of the ceiling, walls, floor + Video With the independent construction of a wooden house, many ask themselves how to insulate a log house from the inside. This stage is very important, since it depends on how well your home will be protected. Properly selected material and compliance with thermal insulation technology will be important here.

Thermal insulation of a building implies the process of warming all internal surfaces from floor to ceiling.

Preparatory work

It is not advisable to neglect this stage, because after all the work on insulation is completed, the beam will be closed and to fix something you will have to completely dismantle the whole insulation material.

First, all walls are cleaned of dirt, and then all irregularities and cracks are sealed. Further, the tree is treated with a special agent that protects against rotting and the appearance of parasites.

If electrical wiring runs along the walls, it must be checked to ensure that it is in working order and correctly insulated. Before the direct installation of the insulation material, you need to create a kind of vapor barrier to protect the insulation from moisture that will form on the wooden walls. Also, here we must not forget about high-quality ventilation, without which, when creating a vapor barrier, the effect of a thermos is formed and the walls will rot.

Note: A special membrane film can be used as a vapor barrier. It does its job very well, but is not cheap.

Internal insulation of the ceiling

The insulation of the house should be started from the ceiling, because warm air always rises and if there is no insulation, part of it comes out through the roof. If the house is one-story with an attic space, work begins with spreading waterproofing material on the ceiling from the attic. Mineral wool or sawdust can be used as insulation, which should be distributed around the entire perimeter of the waterproofing.

The thickness of the insulation can be 150-250 mm. Planks are spread on top so that you can move freely around the attic.

Important : If the house has an attic, then insulation is carried out, in addition to the interfloor overlap, and the roof slope. For wooden floors, loose materials are poured between the logs, and with concrete, slabs or roll material are laid.

The ramp is insulated first with a waterproofing film, on top of which a heater is placed, and on top of an impermeable membrane.

Everything ends with a crate.

Note: Mineral wool can be used for ceiling insulation, and parchment as a waterproofing layer.

In order to insulate the ceiling from the inside, a wooden frame is first made, in which the distance between the boards must be up to one meter. Parchment is glued between the boards with tile glue.Insulating material is placed on top of it, to fix which you can also use a small amount of glue.

Further, the ceiling is sheathed with plasterboard. It is screwed onto a wooden frame with a screwdriver.

Important: Ceiling insulation should be carried out after construction no earlier than a year later and only during a warm period.

Internal thermal insulation of the walls

First, proceed to the arrangement of the waterproofing barrier. Then the vertical crate is installed.

It is made from a bar with a section of 5 * 5 in steps of thirty centimeters.

Nuances of insulation of the ceiling, walls, floor + Video Note: The timber in front of the battening device is processed by a special antifungal agent.

Before laying mineral wool on the crate, it is cut into strips of the required length and width, twenty millimeters exceeding the distance between the beams. Each strip is neatly stacked and secured firmly with anchor bolts. A vapor barrier film is mounted on top with an overlap of up to ten centimeters with a construction stapler.

Note: Walls can be insulated with foam only of a lesser thickness than with external insulation.

For sheathing the heat-insulating layer, a lathing with 3 * 4 cm bars is also arranged. The walls can be sheathed with wooden clapboard. Ecowool, glass wool and expanded polystyrene can also be used for thermal insulation of walls.

The process of wall insulation can be conditionally divided into stages:

  • Cleaning the surface from dust and dirt;
  • Sealing gaps with foam, linen felt or tow;
  • Treatment of the timber for lathing with antiseptics;
  • The device of the lathing from the timber;
  • Mark where the extreme elements will be installed, since from the device the first bar will be depend on the evenness of the entire structure;
  • Fastening the bars to screws and dowels in increments of 25 to 30 cm;
  • One meter is measured from the initial bar and attached parallel to the first second.

    And so along the entire perimeter;

Note: At the locations of the windows, the bars are chipped around the window opening.

  • Insulation is placed between the crate;
  • Then vapor barrier is made over the insulation using film or polyethylene.
  • Wall cladding using drywall, which is screwed to the battens.

Note : It is not recommended to use a metal frame for the lathing, since metal has high thermal conductivity.

Floor insulation device

Floor insulation helps to create warmth and comfort for your home.

Here it is very important to comply with the technology of installation work of the floor covering on the ground. First, pouring is done, after which waterproofing is installed, and then insulation material.

If the floors are wooden, the thermal insulation is laid between the logs with a layer of one hundred to one hundred and fifty millimeters.Then rough or final floors are equipped. And if it is necessary to insulate concrete floors, then this can be done using the raised floor method.

For the device of a raised floor, they first begin to level the surface and eliminate defects. A waterproofing membrane is spread on the concrete surface, logs are laid with a step between the bars of up to fifty centimeters.

Important: The extreme lag to the wall should not be located closer than thirty centimeters.

The planks divide the floor into straight lines. The voids are filled with insulation, on top of which a membrane is placed and flooring is made.

Often a log house is insulated with a floor heating system.

Features of insulation materials

Mineral wool is considered a very effective and inexpensive insulation material.

It has the following advantages:

  • Good sound and heat insulation;
  • durability;
  • has low density;
  • not deformable;
  • affordability;
  • available as flexible mats or hard slabs;

Competitive wool material is a practical and easy-to-use polystyrene foam.

Although many experts do not recommend using non-environmentally friendly and combustible foam as insulation material, it has its own advantages:

  • With its help you can reduce heat loss even with unsealed gaps;
  • The small thickness of this material is quite enough to protect the house from winter cold;
  • a wooden house with such a heater warms up much faster;
  • lightweight installation;
  • excellent sound insulation.

Another suitable material for internal insulation is ecowool.

The material is breathable and not blown through, with its help all voids in the wall are filled. Prevents moisture ingress and prevents the spread of mold and mildew.

When choosing glass wool for insulation, high-quality thermal insulation of the room will be necessary, since this material is able to pass moisture, which worsens the thermal insulation properties.

Mistakes when insulating a log house with your own hands

Some believe in this myth that the more insulation you put inside the building, the better. However, in the presence of a very thick layer of insulation, the dew point may move into the material itself, and if it is with a cotton base, it can dampen its thermal insulation characteristics.

As a result, your insulation simply won't last long.

Another mistake is the desire of some owners to insulate the house on both sides, thereby causing damage to the wall of the building itself. The point here is that the vapor barrier feature of the insulation simply will not allow the walls to dry out, which will provoke the spread of mold and mildew.

Expert advice

Professionals recommend that when insulating a log house independently, adhere to the following rules:

  • Insulate a wooden house from the inside should be done only in extreme cases, it is better to do it outside;
  • Any insulation, whether internal or external, must be done in a warm period;
  • If the facade of the building is cladded, then in front of the internal with insulation, it is necessary to make sure that there are air vents between the wall and the cladding so that the wall can dry out;
  • It is necessary to process all wooden surfaces before installing the insulation material. After insulation, a microclimate is formed in the walls that is not entirely favorable for wood and unnecessary processing will not harm;
  • It is better not to use materials such as polystyrene as internal insulation.

    Many are bought for its inexpensive cost and good thermal insulation characteristics, but it is completely unsuitable for interior decoration.

If you decide to insulate a log house from the inside, then this must be done completely, that is, walls, floor and ceiling. If you insulate only the ceiling, then the heat will somehow escape through microcracks in the walls or floor. Now there is a huge selection of various insulation materials and tools, thanks to which everyone can insulate their home even without the help of professionals.

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