BEST OST-B

Hatch

• two-sided white 3.6 cm thick insulated hatch of sandwich type; 
• equipped with a catch, unloading mechanism presses the hatch against the box.

Box

• made of pinewood;
• stiffened in corners by means of patented hinges;
• equipped with a seal.

Ladder

• metal with the scissors system of folding that makes it possible to suit its length to the room height;
• finished with special rolls protecting the floor from scratching.

Treads

• equipped with anti-slipping profile. 

Available sizes

• 50x80, 50x90, 60x90, 60x110, 60x120, 70x80, 70x110, 70x120 [cm]

Energy-efficiency
Two-sided white 3.6 cm thick insulated hatch of sandwich type reduces heat loss.

Perfect tightness
The box is equipped with a seal ensuring high level of tightness.

Safety and comfort of use
Anti-slipping profile of the tread protects foot from slipping when ascending or descending the ladder. S-shaped stringers facilitate use of the loft ladder.

Technical data:

• Maximum loading: 160 kg 
• Tread width: 8 cm
• Tread length     for size 55 x ... 24 cm
                           for other sizes    30 cm

• Hatch thickness: 3.6 cm
• Box height: 14 cm
• Hatch heat transfer coefficient*: U=1.1 W/m²K

*manufacturer’s internal testing for the middle part of the hatch