HELUZ NATURE Energy 12/25

HELUZ NATURE Energy 12/25
Product category: Clay blocks for Siding and Inner Walls / HELUZ NATURE
Dimensions (LxWxH): 250 x 120 x 240 mm
Weight: 12.1 Kg
Heat diffusion coefficient U: 1.62 W/m2K
Thermal resistance R: 0.36 m2K/W
Airborne sound insulation: 47 dB
Comsumption of bricks per m2: 15.4
Comsumption of bricks per m3: 128.2
Number of pieces per pallet: 80

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.
More information about the product can be found in the current Pricelist or the Product Catalogue.


Unfired bricks designed for internal non-load-bearing brickwork laid on clay mortar.

NATURE Energy unfired bricks are used for internal partition and thermal accumulation walls with thicknesses of 12 and 25 cm. The bricks and masonry must be protected against water, and contact with flowing water must be avoided.


  • they create a healthy indoor environment that is favourable for asthma sufferers
  • they have excellent acoustic properties
  • they perfectly absorb moisture from the air
  • they achieve high heat accumulation parameters
  • for those who love natural building

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