Information

Internal coat, all the info

Internal coat, all the info

The inner coatit is useful to guaranteethermal insulationand acoustic, during the construction phase special attention must be paid to the characteristics of thematerialchosen insulation.

The insulation of the walls, as well as the roof and floor, is a necessity in order to ensure the ideal environment in which to live (living comfort). Theinner coatis one of many solutions forinsulate house. Theinner coateliminates the problem of condensation, thermal bridges, humidity, mold and above all offers good thermal insulation and, based onmaterials of use, including acoustic.

Internal coat, materials

Thethermal coat,be it internal or external, it goes torepair thewallsfrom winter cold and summer heat so as not to overload the systems HVAC (Heating, Ventilation and Air Conditioning), namely heating, ventilation and air conditioning.

For the implementation of a goodthermal coatthey are usedheat-insulating materials. The insulating materials for the construction of the thermal coat can be:

  • Natural thermal insulation (wood fibers, wool fibers, cellulose fibers, cork ...)
  • Artificial thermal insulation (polyethylene, insulation foams, polystyrene fiber, polyurethane foam ...)
  • Mineral thermal insulation (rock wool, expanded vermiculite, pumice ...)

Generally, the best thermal insulating materialsforinner coatthey are not synthetic. For the making of ainner coatthey choosematerialsnatural because man-made heat insulators tend to be toxic. Sure anatural thermal insulation materialit is more expensive than an insulating material of synthetic origin, however, due to the toxicity of the synthetic insulators, these are only used for certain insulation works such asouter coato the insulation of cavities in the walls or in the attic.

In choosing thebest thermal insulatorit is always advisable to consider the conditions of implementation and its function. To overcome the problem of condensation, humidity and mold, to create ainner coatit is always wise to use amaterial Hygroscopic and breathable.

Thermal insulation: inner coat or outer coat

Acting in an ideal context, the best thermal insulation is obtained withouter coatbecause this can be designed with a greater thickness. Unfortunately the conditions in which we go to intervene forinsulate houseare not always the ideal ones, so we are faced with renovations in which we have the opportunity to intervene fromexternalthey are with special permits and only occupying limited thicknesses. If we do not have the appropriate building permits, we can use theinner coatacting on the perimeter walls of your home.

In any case, with thethermal coat(external or internal), it will create a protective barrier that will go to isolatethe wall from condensation, mold and heat loss.

Analyzing thecostof the intervention, aouter coatsees a greater overall investment but gives the certainty of correcting thermal bridges and with them condensation problems as well as thermal dispersions.

Theinner coathas acostminor but has the disadvantage of subtracting space from the living environment.

Internal coat and the problem of condensation and mold

The lower cost is mainly linked to the greater ease of installation which is simple and fast so that it can also be performed independently, with thedo-it-yourself. Even if it is a simple intervention, the implementation of theinner coatit must be done with the utmost accuracy otherwise condensation and mold problems could be generated. The problem of condensation is very common in the case of a bad internal coat: the steam that is normally generated in the home, in the absence of adequateair exchange, migrates towards the walls and, if it finds leaks in the "coat‚ÄĚPenetrates by coming into contact with the underlying wall which is cold, condensing and generating humidity and mold.

To overcome the problem ofcondensationand ofmold, at the time of installation of theinner coat, you will need to add avapor barrierboth on the intervention wall and on the adjacent walls. As an alternative to the vapor barrier, amaterial Hygroscopic and breathable.

In conjunction with the creation of ainner coat the replacement of fixtures should be evaluated, preferring those of high energy class (low transmittance). These interventions can benefit from the 65% tax deductions provided for by the2016 restructuring bonus.


Video: Fusion Bonded Epoxy FBE Internal Coating of Vessel (July 2021).