Designo Wooden Loft Ladder

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The Designo wooden loft ladder perfectly balances aesthetics with strength and quality. Available as a certified Passivhaus loft ladder (by the Passivhaus Institute). The three-part folding heavy-duty wooden loft ladder is contained within, and attached to, an insulated wooden hatch box (U value 0.60 W/m²K). Offers an airtight seal (class 4 certified). 6 point latching system around the trapdoor, with concealed hinges for a high quality and discrete finish. Both sides of the trapdoor are finished in white for improved aesthetics. It is also fitted with WDL sealing and insulation tape, providing a perfect seal between the hatch box and building. Manufactured to EN 14975.

Custom sizes are available. Please contact Premier Loft Ladders to discuss requirements.

Features and benefits:

  • Wooden folding loft ladder
  • High strength load rating (180kg per tread)
  • Available Passivhaus certified
  • Highly insulated trap door / hatch box (U value 0.60 W/m²K)
  • Class 4 certified airtight seal
  • Available made-to-measure to suit specific project requirements
  • Includes handrail and anti-slip treads to provide comfort and safety
  • Manufacturer's 2-year full warranty and a 10-year parts warranty
  • Low maintenance
  • Supplied ready to install
Platform Compatible Version Certified to
IFC IFC - 2 2.1
Revit Revit 2017 + 2 2.1

  • Properties and values
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Properties and values

IFC
IfcExportAs
IfcStairType
IfcExportType
STRAIGHT_RUN_STAIR
COBie
BOS_General
NBS_Data
Accessories
Installation assembly aid, 3-sided upper level guard rail, upper trapdoor (min. case height 670mm)
AirPermeability
Class 4 certified
CaseHeight
200 - 710 mm
Handrails
Supplied with handrail as standard
LoadCapacity
180 kg per step
LoftTrapDoorOperatingMechanism
Manual pull and push
MaxFloorToCeilingHeight
2800 mm
Operation
3 part folding
StepDepthRange
80 mm
StepWidthRange
330 mm
Pset_DoorCommon
Pset_StairCommon

More information

  • NBS specification data
    Case studies and technical literature
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    What's Changed?

    29/07/2019

    System.Data.Entity.DynamicProxies.WhatsChanged_A83DF4F687751E1E2672B9C760C4BBA8A30C5F8438919E335528C906849FBB36

    12/07/2019