OptiStep - Loft Ladders - OLB Basic - KRONmat

Loft ladders OLB Basic

Loft ladders OLB BasicCharacteristic:

  • Energy-efficiency - 2.6cm thick insulated hatch reduces heat loss
  • High aesthetics - two-sided white hatch
  • Snap lock - hatch is equipped with a snap lock which presses the hatch against seals

Technical Specifications:

  • Maximum loading - 150 kg
  • Tread width - 6,7 cm
  • Tread length- 35 cm
  • Hatch thickness - 2,6 cm
  • Box height - 11 cm
  • Hatch heat transfer coefficient* - U= 1,54W/m²K

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

OptiStep - Loft Ladders - OLB Basic - KRONmat łatwy i szybki montaż wysoki komfort użytkowania OptiStep - Loft Ladders - OLB Basic - KRONmat
high insulation easy and quick installation high comfort of use warranty 2 year



  • two-sided white 2.6 cm thick insulated hatch of sandwich type
  • equipped with a snap lock
  • opened by means of supplied control rod


  • made of spruce wood
  • stiffened in corners by means of a spring catch
  • equipped with clinging seal


  • made of spruce wood


  • 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

  • 60x120, 70x120 [cm]



Foldery i katalogi

Catalogues and Brochures

Deklaracje CE Declarations CE
Deklaracje CE Fitting instructions and User manuals