The latest generation of the MB-104 Passive window and door system has excellent thermal insulation, which makes it suitable for use in passive houses and low-energy constructions. The passive standard has been confirmed through certification by the Passive House Institute (PHI) in Darmstadt, Germany. The system also provides high protection against water, noise and air ingress.


Parameters and advantages

  • Excellent insulation and tightness
  • Glazing range up to 81 mm
  • Burglary resistance RC1, RC2, RC3
  • Air permeability
    • Windows – Class 4
    • Doors – Class 4
  • Waterproofing
    • Windows – for Class AE 1800
    • Doors – for Class E (1200 Pa)
  • Thermal insulation
    • Windows – Uw from 0.53 W/m²K aero version with leaf size 1700×2100 (glass Ug 0.4 W/m²K)
    • Doors – Ud from 0.53 W/m²K aero panel doors with leaf size 1230×2180
  • Wind load
    • Windows – Class C5/B5
    • Doors – Class C4/B5



We are very satisfied with ALIGNO s.r.o.

Their products are of high quality. They help us a lot with regards to aluminum components for our production. We also appreciate their customer support and the communication with the company representative Jiří Zimmer. Whenever an issue has arisen, they have always taken care of it and solved it without any unnecessary delay. We can therefore highly recommend them.

SCHOTT Flat Glass CT, s.r.o.

Regarding this contract, there was no problem with the price or with meeting the deadlines.

I was also satisfied with the maintenance of the construction log and the overall commitment of the company. From the first quotation to the completion of the contract.

Metrostav a.s.

Overall, we are satisfied.

The work was done with quality and precision. Overall we are satisfied.

SVJ Krajczova