Loft ladder SW64-1

Insulated and draught proof with 64 mm trapdoor

Draught-proofing loft ladder with a 14 cm high casing made of spruce and a 64 mm trapdoor. To prevent heat loss the casing contains a continuous seal and the trapdoor is provided with 58 mm insulation.

Product Properties

U-value (W/m²* K)
58 mm

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Draught-proof loft ladder with a 64 mm trapdoor with 58 mm insulation and a 14 cm high casing made of spruce.

The SW stands for sandwich construction which is a construction DOLLE has been using since 1951. The 64 mm trapdoor is made of a 58 mm expanded polystyrene insulation framed in spruce and protected by two 3 mm white-facing HDF plates. DOLLE SW64-1 is a traditional wooden loft ladder. It has a high quality finish with a white-facing trapdoor. Easy operation is obtained with the included push/pull rod.

Very good insulation an extremely solid ladder!

The loft ladder is manufactured in a very high quality and with a solid ladder to ensure safe access to the attic. The treads and strings of the 3-section ladder are made from spruce. It has non-slip treads for extra security.

The loft ladder DOLLE SW64-1 is particularly well suited for low to non-developed attics or a rarely used roof space due to the very good insulation values.

Control air leakage in your home

Vapour barrier with TwinActive-foil seals your product for optimal heat-insulation. Easy to attach.

Optional accessories:

Plastic feet, architraves and handrails are not included as standard.


  • Very good insulation
  • Air tight class 4 according to EN 12207
  • Easy to use
  • High stability
  • Produced according to EN 14975


1 Opening size (length)
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2 Opening size (width)
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3 Floor-to-ceiling height
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4 Total going
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Product number
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U-value (W/m²* K)
Attic ladder type
Folding ladder
Ladder material
Trapdoor material
Sandwich construction
Trapdoor thickness
64 mm
58 mm
Casing material
Casing thickness
18 mm
Outside casing (length)
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Outside casing (width)
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Casing (height)
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Tread material
Tread thickness
28 mm
Tread depth
82 mm
String material
String thickness
21 mm
String depth
84 mm
Maximum load
150 kg
Product weight
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Airtight EN 12207 class 4, FSC® certified wood, Manufactured according to EN 14975

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