So, you have assessed the condition of the walls and decided to insulate your apartment or house from the inside. The only thing left to do is to understand what materials are suitable for your home and how to make it warmer. Home insulation Sydney improves the comfort of your home.
Materials
There are not so many material options to insulate the walls of a private house or apartment from the inside, the easier it will be to understand the advantages and disadvantages of each.
Non-combustible
Plates with a density of 100 kg/m3 or more, are well suitable for thermal insulation of a wooden house – timber or log. But it has a significant drawback: high absorbency and the ability to transmit water vapour. Therefore, it is important to protect mineral wool well from the space of rooms using a vapour barrier to avoid contact with moist air. The higher the density of the slab, the less it will settle when moistened and the easier it will be to release moisture. This means it will retain its insulating properties longer.
Fiberglass-based mineral wool can be harmful to human health, so you should not choose it for internal thermal insulation.
Slab foam
Polystyrene foam is a good option for insulating wooden and brick walls. It is popular due to its low cost and is suitable for budget thermal insulation. But you will have to spend money to compensate for its disadvantages: like mineral wool, it needs a vapour barrier, and due to its flammability, it is better to hide it behind a plasterboard finish or plaster it. For interior work, for example, Knauf Therm House is suitable.
Penoplex
Penoplex, or extruded polystyrene foam in slabs, is an excellent insulation material in all respects. It has the highest thermal insulation properties and does not allow water vapour to pass through, which is why there is no need for vapour barrier when using it. In addition, the penoplex is quite thin, which will allow you to preserve the area of the room as much as possible – Penoplex Wall is only 50 mm thick. The best material can only be polyurethane foam like Penoplex Fastfix.
hin insulators with foil
Penofol, isolon, foamed foil polyethylene is used as additional insulation instead of a vapor barrier. The main thing is to install it correctly.
Wall insulation technology
For brick and wooden walls, insulation work from the inside will be very different. Let’s first consider the algorithm for installing thermal insulation for bricks:
- First of all, you need to prepare the working surface – the walls. It is important to ensure that during installation there is no air left between the wall and the thermal insulation. Brick walls need to be plastered, levelled and treated with an antifungal primer.
- To insulate brick walls, it is better to choose penoplex with a thickness of 20 to 50 mm (depending on the climate) or polyurethane foam.
- Glued the slabs tightly to the wall one by one, fitting as close to each other as possible.
- When the glue dries, you should fix the slabs. To do this, you need to use dowels in the form of mushrooms (no more than 2-3 pieces per slab).
- The insulation of the house or apartment from the inside has been completed; finishing work remains.
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What will the insulation of a wooden house look like:
- In the case of a wooden building, it will not be possible to completely get rid of air pockets: it is very difficult to level the surface of the log house through small horizontal gaps between the beams, and with round logs, it is completely unrealistic to avoid air pockets. All that remains is to seal all the joints as much as possible and treat the wood with an antiseptic primer.
- Now covers the wall with a vapour-permeable diffusion membrane. the walls.
- Lay mineral wool without using additional fasteners.
- Then install a vapor barrier film.
- The interior finishing.
The technology for insulating a timber house allows the use of any described thermal insulation material due to the provided ventilation.