In accordance with the Regulation (Dz. U. nr 152 poz. 926) from January 1st, 2021 will change the requirements concerning of thermal insulation of windows and doors for new construction.
In this case Uw coefficient cannot exceed:
for windows - 0,9 W/m2K
for doors - 1,3 W/m2K
This regulation applies in the product sales on the territory of Polish Republic.
