The comparative analysis of perlite and haydite as materials to insulate the floor.
You should know not only how to generate heat but also how to accumulate and store it. Thanks to the installation of an insulated floor you will be able to save 10% to 50% of thermal energy. According to research, in rooms up to 3 meters high the consumption of thermal energy can be reduced by 15-30%, and in rooms over 3 meters high: up to 50%. In this case the insulated floor plays the role of a “protective shield” preventing the heat from “going away” downstairs or to cellars, and keeping the cold away from your home.

Why perlite? 
Perlite is the ecologically clean natural porous material that features miraculous heat insulating properties and ideally fits to floor and wall insulation purposes.

As it is known the highest heat insulating are proper to porous materials, which are composed of numerous closed and filled with air pores. Still air is characterized by extremely low thermal conductivity of 0.02 W/(m-°С) under t of 20°С. Consequently, the porosity reduces its heat-conductivity, i.e. makes it best suited for filling in the insulated floor. Opposite to other substitute commodities perlite is a natural and therefore ecologically safe material.
 

 Comparative analysis of perlite and haydite

	Thermal conductivity, W/mK	Apparent density, kg/cubic meter	Density when compressed in the cylinder, MPa	Actual porosity, %
Perlite	0,043	100-150	Not standardized	85-90
Haydite	0,1-0,12	350-400	1-1,5	-

Thermal conductivity
The lower is thermal conductivity of the material the better material serves as the “protective shield” to keep the heat in your home. It is explained by the fact that the insulated floor does not “give away” heat to lower stairs and into cellars, and keeps the cold away.

Density of material
This value directly impacts the load on the structure. For example, with the apparent density of material equal to 100 kg/cubic meter and thickness of 100 mm the load will be not less than 10 kg. Correspondingly, the lesser is the material density the lighter and safer it is in terms of maximum allowable load on the structure. This by the way might save you of a lot of unpleasant surprises.

Density at compression
The compression density is one of major factors you should take into consideration when insulating floors. The sturdier the material is the lesser will be limitations you will face when installing the furniture in your office or room.