Fireproof windows are made of VA-FORM steel profiles produced by Voestalpine Austrian corporate group. Their fire resistance is up to the E 30-E 60.
- The profile cross section is 50 × 50 mm.
- 2mm of the profile wall thickness provides:
- an increased structural-load capacity;
- maximal size of glass.
- Applying any paint for metal, as well as powder paint, by RAL color palette.
- Both design and production of the profile are certified (which includes EN, ISO).