Easy insulation of cellar ceilings and soffits

The basement ceilings and soffits usually form the lower termination of the heated parts of the building. This often leads to

This often leads to cold floors and increased energy losses on the floor above. With the weber.therm external thermal insulation composite systems, these soffits can be provided with efficient and long-term thermal insulation.

Simple & safe to the goal

  1. 1. The insulation boards for facades weber.therm MW 041 Fassade speedy and for ceilings of cellar rooms weber.therm MW 036 Kellerdecke standard are glued and covered with the special bonding mortar weber.therm 370, by using a notched trowel 10 x 10 mm.
    In case of weber.therm EPS 035 Kellerdecke deko the bonding and reinforcing mortar weber.therm 300 can be also used.

  2. 2. Apply the bonding mortar according to the floating-buttering method.

    Alternative: spray the mortar in stripes on the ceiling.
    In case of weight > 15 kg/m² the insulation boards must be dowelled.

  3. 3. Outdoors the insulation boards are covered with the bonding and reinforcing mortar weber.therm 301 or weber.therm plus ultra (including the woven mesh weber.therm 310).

  4. 4. Alternatively to point 3 the bonding and reinforcing mortar weber.therm 303 in connection with the woven mesh weber.therm 311 can be used.

  5. 5. Subsequently, the external surface can be painted with a coating such as the silicate paint weber.ton 410 AquaBalance. Indoors, the insulation boards can also remain uncoated.