How insulate fabrics
Which material is best for thermal insulation?
Thermal insulation is an inexpensive and effective method of thermal insulation. With it, the heat loss can be reduced by 50 - 70%. It is mainly used where external insulation cannot be implemented - for example in half-timbered houses or old buildings that are listed. The question arises as to which materials are particularly suitable for which masonry. A distinction is made primarily between organic and inorganic insulation materials, but also between capillary-active and diffusion-inhibiting insulation materials. In addition to the material, the thickness of the insulation should also be taken into account. The thickness must also adapt to the special masonry, so that the highest possible thermal insulation is guaranteed without the masonry cooling down and frost damage occurring. In the following you will find out what you need to consider when choosing an insulation material.
Organic and inorganic insulation materials
A fundamental distinction can be made between organic and inorganic insulation materials. Organic materials are not necessarily substances that can also be found in nature in this form. Inorganic insulation materials are also not limited to synthetically produced materials. The difference between the two variants lies in the material level: organic insulation materials are ecological and consist of carbon compounds, inorganic ones are not. Both types can be produced synthetically as well as from naturally renewable raw materials. Neither of the two can be classified as healthy or unhealthy in principle. Various types of dust from natural insulation boards are suspected of being hazardous to health, and chemically treated insulation boards are only waxed in with harmless agents against fungal infestation or insects. If you have any questions about possible health risks, it is best to ask your energy advisor. The fact is that all available insulation materials have a positive energy balance, i.e. they save more energy than is required for their production.
It all depends on the diameter
We are talking about the thickness of the insulation material. Thicknesses between 6 and 8 cm are recommended. A thick insulation material always leads to more effective thermal insulation. However, this also results in a greater loss of space in the interior. In addition, the temperature of the masonry decreases as soon as the heat is insulated more inward. The consequences can be moisture and frost damage, as water may condense on the cold wall. However, there are additional measures to protect against rain, such as extending the roof overhang. In addition to the insulation thickness, another factor plays a decisive role: the thermal conductivity. As a rule, insulation materials with a thermal conductivity of 0.04 are traded. An insulation material with a thermal conductivity of 0.035 is approx. 10% more effective with the same insulation material thickness. With insulation material with a conductivity of 0.035, you can choose a smaller insulation material thickness in order to achieve the same thermal insulation effect.
Capillary-active and diffusion-inhibiting insulation materials
Capillary-active or diffusion-open insulation materials are capable of absorbing large amounts of water and releasing it back into the room air. Condensation is absorbed and distributed over the plates. A clear advantage is that the risk of mold formation is significantly reduced. Compared to diffusion-inhibiting insulation materials, however, they have a lower insulation effect. In order to achieve an equivalent insulation effect, a higher thickness is required, which means that the capillary-active interior insulation system is often more expensive.
Which variant you should choose depends primarily on the destination. Capillary-active insulating materials such as Getifix ambio are particularly suitable for insulating walls. This natural insulation material provides thermal insulation for exterior walls and ceiling surfaces in the interior for a pleasant moisture balance. In addition, the material is not flammable. Diffusion-inhibiting insulation materials such as the hydrophobic version of ambio, on the other hand, are recommended for basement ceilings, for example. In general: Hydrophilic insulation materials are always used when the room to be insulated is in the 'warm' living area, hydrophobic when it is a cold room such as the undeveloped attic or basement.
There are also other factors to consider
If you live in an apartment building, the options for suitable insulation materials are limited. Here you have to choose an insulation material that corresponds at least to fire protection class B1. Above the high-rise limit of 22 m, only class A insulation materials may be used.
If you want to insulate the floor slabs, it is best to use our wood fiber insulation mat placa in the attic. It is freely accessible and is characterized by its high compressive strength. If the top floor ceiling has a cavity, then insulation using baca is recommended. This bulk insulation material is particularly effective for insulating hollow-core ceilings and 2-shell stud, wall or transom constructions. You can also find information on this on our technical data sheet.
Ultimately, the nature of the masonry and the ceilings are decisive for choosing the right insulation material. Among other things, the moisture content of the walls must be measured for this purpose. Interior walls can be effectively and efficiently insulated with vapor-permeable insulation materials without any problems. When insulating an external wall or roof insulation, caution and particular care is required. You can find out from an expert which material is suitable for your home.
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