MB-86 is the world's only aluminum window system that utilizes aerogel – a material known for its exceptional thermal insulation properties. One of the advantages of MB-86 is its high profile strength, allowing for the production of heavy and large-sized windows.
Technical specifications:
| Mounting width | 86 mm |
| Glass thickness | from 52 to 60 мм |
| Maximum sash height | 2800 mm |
| Maximum sash width | 1700 mm |
| Maximum weight | 150 kg |
| Air permeability | class 4, PN-EN 12207:2001 |
| Water tightness | class E 1500, PN-EN 12208:2001 |
| Thermal transmittance coefficient (Uf) | MB-86 ST from 1,39 Вт/м2K MB-86 SI from 0,92 Вт/м2K MB-86 AERO from 0,57 Вт/м2K |
| Resistance to wind loads | class C5, PN-EN 12211:2001, PN-EN 12210:2001 |



