GOOD OLB

Hatch

• 2.6 cm thick insulated hatch of sandwich type; 
• finished with HDF board white on both sides;
• equipped with a snap lock;
• opened by means of included control rod.

Box

• made of pine wood;
• stiffened in corners by means of a spring catch;
• equipped with seal.

Ladder

• 3-section ladder;
• made of pinewood.

Treads

• treads connected to the strings by means of dovetail joints for increased connection durability;
• equipped with special anti-slipping grooves for extra security.

Available sizes

• 60x111*, 60x120, 60x130, 70x111*, 70x120, 70x130 [cm]

* recommended length of the ceiling opening is 113 cm
/in all KRONMAT loft ladders models with a length of 111 cm, the actual length of the box is 111 cm/

Energy-efficiency
2.6 cm thick insulated hatch reduces heat loss.

Perfect tightness
White on the outer side, the hatch matches perfectly with the interior design.

Safety of use
Hatch is equipped with a snap lock which presses the hatch against seals.

Comfort of use
Metal handrail increases comfort and safety of loft ladder use.

Technical data:

• Maximum loading: 150 kg 
• Ladder width: 38 cm
• Tread width: 8 cm
• Tread length: 34 cm
• Distance between treads: 25 cm
• Hatch thickness: 2.6 cm
• Box height: 14 cm
• Heat transfer coefficient*: U=1.54 W/m²K

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