| Aluminium profiles | EN AW-6060 in acc. with EN 573-3, T66 temper in acc. with EN 515 |
| Frame depth | 78 mm |
| Sash depth | 86 mm |
| Filling | fire resistant IGUs: EN 1279-1, EN 1279-5: in acc. with the National Technical Assessment, fire resistance Classification; 39-42 mm |
| Sound reduction | with 39.5 mm fire resistant IGU: RA1 – 41 dB, RA2 – 38 dB, RW – 45 dB |
| National Technical Assessment | ITB-KOT-2017/0351 – “Procural PE78EI internal fire resistant and/or smoke control doors, fire resistant windows and internal and external fire resistant partitions kit made of aluminium profiles with thermal breaks” |