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Only high quality windows and doors manufactured by professionals will ensure good heat insulation and pleasant climate in the room.

“U” value means heat permeability coefficient, which shows how effectively construction materials, for example, windows or doors, ensure heat insulation of a building. The lower U value, the better the insulation and the lower heat losses.

Only high quality materials, which ensure high heat insulation efficiency, are used in windows manufactured by “Staļi” Ltd. “Staļi” Ltd windows have u≤1 W/m2, which complies, for instance, with the high Scandinavian requirements.

Selective glass is used in wooden windows. From one side they are coated with transparent, thin layer of metal oxide, thus, ensuring additional heat insulation.

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