HELUZ AKU Z 17,5 brick, P20

Product category: Bricks for Siding and Inner Walls / HELUZ AKU
Dimensions (LxWxH): 375 x 175 x 249 mm
Weight: 16.5 Kg
Class of compression strength: 20 MPa
Heat diffusion coefficient U: 1.07 W/m2K
Thermal resistance R: 0.68 m2K/W
Airborne sound insulation: 51 dB
Comsumption of bricks per m2: 10.7
Comsumption of bricks per m3: 61
pcs on the pallet 118x100: 60

The heat diffusion coefficient values “U” are given with plasters for the production plant in Hevlín at the strength 8 MPa or 10 MPa and thermal insulation mortar or mortar for full-area thin joint Heluz with ground bricks, if not mentioned otherwise.


For structures with higher demands for sound insulation.

AKU brick blocks are used to separate individual apartments in apartment buildings, accommodation facilities, engine rooms and in family houses, e.g. for the separation of bedrooms from noisy areas.


  • for enhanced acoustic parameters of buildings
  • high levels of sound insulation
  • improved acoustic comfort of housing
  • a high wall strength

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