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Passive-house criteria

One of the main criteria for a passive house is its compact thermická box without thermal bridges in the design of optimized glazing ratio A / V All structural components forming the outer shell of the house must have a thermal transmittance value of U 0.15 W (m2.K) and lower.

Investor demand for passive houses is increasing. A new passive houses and institutions interested in public administration. This trend is certainly supported by a new Directive on energy performance of buildings.

Additional insulation - disadvantages

The time complexity of construction, or for isolating the house is another building process extra insulation needs professional installation, soft material prone to mechanical damage, low fire resistance, surface volume is unstable when exposed to external influences, due to higher diffuse resistance can lead to accumulation of moisture in walls or under the styrofoam.

Claydite and low-energy houses

Keramzitové blocks HOTBLOK

Clay, which is obtained from specially vytřízené earth, is a traditional, wholesome, natural materials used in construction for many years, especially in the construction of low-energy houses. (Claydite is used in the manufacture of building blocks HOTBLOK )

Claydite is porous aggregates with rounded grains, which is obtained by expansion of thermal clay suitable chemical and mineralogical composition in rotary kilns. These clay burning at temperatures of 1100-1200 ° C increase in volume, mainly by creating cavities in them gas. Keramzit Bargain Properties: waterproof, freezeproof, the closed pores, minimal water absorption, resistant to bacteria and completely weather resistant . Its density is Continue →

Low-energy houses yourself

Stavební systém HOTBLOK

HOTBLOK-warmest building material

In recent days, more and more often we get questions about the construction of the system HOTBLOK yourself so here we bring you some advice and recommendations, which will be pleasant work with this system.
Working with this material is very simple. The blocks are large, while handling is easy. Moreover, these blocks are incorporated for easy carrying grooves for better grip. Of course, the system Continue →

Green Savings

Zelená úsporám

Green Savings

Vividus Tech Company Ltd. , a supplier of building materials HOTBLOK obviously perceived customer needs and try them as pleasant as possible the construction of new low-energy house , so well understands how to play a key role in any such investment in all ways to save even more of your finances, so we in March came the next important step is to register it in the list of contractors in the program GREEN SAVINGS . Currently running 30-day deadline for registration, but grants may be drawn today.