Exterior door T0NT

Doors will serve you a long time.

This leads to:

– Decades of improvement in construction;

– Use of high quality materials;

– Manufacturing process quality control.

However, to prolong door lifetime it must be properly installed.

Exterior doors will fully protect your heat. Door heat transfer coefficient (U=0,72─1,25 W/m²K). Also there are no “cold bridges” , because inner and outer parts of the door are separated by wooden profile and polyurethane foam layer.