
Fire-restraining EI₂45 according to EN 1363 and EN 1634
U-value 0,667 W/m²K
Air permeability class 4 according to Din EN 1026
60 mm strong insulated hatch
2-point turning lock

Equipped with steel safety hand rail and stair shoes
Strong wooden frame with the thickness of 27 mm
Holds weight 150 kg
Special strong 27 mm treads equipped with special grooves preventing slipping










