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  LWT

  
  

  • varnished ladder
  • stile ends
  • white hatch
  • three seals
  • non-slip treads set flush with ladder strings
  • handrail
  • easy installation
  • possibility of installing additional accessories
  • fully assembled and ready for quick installation in the ceiling
  • 3 year warranty

  LWT

  • 160 kg maximum loading U=0.51 W/m²K loft ladder U-value 7.4 cm insulation thickness 8 cm hatch thickness EN 14975 norm requirements

  The LWT loft ladder is a highly insulated (U=0.51W/m²K) ladder intended for energy efficient buildings where great emphasis is placed on minimizing heat loss.

  The ladder achieved Class 4 air tightness.

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  LWT Passive House

  
  

  • varnished ladder
  • stile ends
  • white hatch
  • three seals
  • non-slip treads set flush with ladder strings
  • handrail
  • easy installation
  • possibility of installing additional accessories
  • fully assembled and ready for quick installation in the ceiling
  • 3 year warranty

  LWT Passive House

  • 160 kg maximum loading U=0.51 W/m²K loft ladder U-value 7.4 cm insulation thickness 8 cm hatch thickness EN 14975 norm requirements

  The LWT Passive House section loft ladder is a comprehensive solution designed for passive buildings where a large emphasis is placed on minimizing heat loss. Using a highly insulated LWT loft ladder and insulation kit connecting the ladder with the ceiling ensures excellent tightness and insulation without the risk of thermal bridges. See Passive House Institute certificate for certified configurations, dimensions and performance parameters.

  The ladder features the highest rating of air tightness - Class 4.

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  LTK_Energy

  
  

  • varnished ladder
  • stile ends
  • white hatch
  • two seals
  • non-slip treads set flush with ladder strings
  • handrail
  • easy installation
  • possibility of installing additional accessories
  • fully assembled and ready for quick installation in the ceiling
  • 3 year warranty

  LTK Energy

  • 160 kg maximum loading U=0,68 W/m²K loft ladder U-value 6 cm insulation thickness 6,6 cm hatch thickness EN 14975 norm requirements

  The LTK Energy highly insulated loft ladder intended for energy efficient buildings. It provides the declared U-value and Class 4 airtightness in the tested configuration and can support user comfort.

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