60x111, 60x120, 70x111, 70x120 [cm].
The 3.6 centimetre thick insulating hatch, white on both sides, reduces heat loss considerably.
The box has been equipped with a seal that guarantees the maintenance of great tightness.
Safety of use
The grooves on the surface of the steps prevent slipping down during ascent and descent.
Comfortable to use
metal handrail increases comfort and safety of stairs’ use
*according to producer’s internal testing