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To make a facade renovation in plaster (15 m x 10 m, 3.20 m in height), can we isolate thermally by an insulating coating? Is it as efficient as rail-mounted panels?

Insulating plaster can not be considered as a true means of insulation of a façade, but only as complementary elements. No insulating coating achieves (in 2018) the thermal resistance (R = 3.7) giving access to ISCED, that is to say the Tax Credit for Energy Transition. An "insulating" plaster of 5 cm does not exceed R = 0.5. On the other hand, this type of plaster can be part of the composition of a thermal insulation from the outside (ITE) traditional, with insulation, framing and siding.

On the same topic

  • DIY tips
    • The work to be done and the materials to be used to insulate well
    • External Thermal Insulation: Insulating and Coating
    • Overall insulation of the walls from the outside
  • Questions answers
    • How to insulate the walls of a very old house?
    • How to isolate an old house from the outside?
    • Insulation of a facade from the outside (ITE)

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