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Designo - Wooden Loft Ladder - Passivhaus Certified - Loft Ladder

Verified by manufacturer 1 month ago

Premier Loft Ladders Ltd

High strength wooden loft ladder with insulated and airtight hatch box. Available Passivhaus (Passive House) certified.

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Application

Loft applications.

Description

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. It offers excellent energy efficiency (0.60 W/m²K) thanks to a highly insulated trapdoor with six-point locking mechanism providing a Class 4 certified airtight seal.


It is also fitted with the patented WDL sealing and insulation tape, which provides a perfect seal between the hatch box and building and saves time during installation.


Features and benefits:

  • Wooden folding loft ladder.
  • High strength load rating (180 kg per tread).
  • Available with Passivhaus (Passive House) certification.
  • 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.
  • Supplied with a two-year full warranty and a ten-year parts warranty.
  • Low maintenance with excellent durability.
  • Supplied ready to install.

General information

Color

White

Guidance for specification option:

Hatch.

Finish

Natural

Guidance for specification option:

Loft ladder.

Material

Wood

Shape

Rectangle

Length

Bespoke

Width

Bespoke

Height

2800 mm

3300 mm

Manufacturer guidance

Maximum heights. Minimum aperture sizes apply.

Warranty description

Two year

Guidance for specification option:

Full manufacturer warranty.

Ten year

Guidance for specification option:

Parts warranty.

Uniclass

Pr_25_30_85_36 Hardwood loft laddersPrimary

CAWS

L30/41 Loft ladders

L30/421 Loft ladders

Product range

Wooden Loft Ladders
Passivhaus Certified Loft Ladders

Specification data - Hardwood loft ladders

Standard

To EN 14975, DIN EN 12207/ 12114 (Class 4), TÜV SÜD Product Service GmbH.

Format

Folding.

Timber species

Pine.

Strings

-

Number of sections

Three.

Floor-to-ceiling height (minimum)

2300–2800 mm.

Guidance for specification option:

Insert requirements.

Special order.

Guidance for specification option:

2300–3300 mm. Insert requirements.

Handrails

Top section.

Treads

330 x 80 mm.

Loft trapdoor

-

Minimum opening size (l x w)

1200 x 550 mm.

Guidance for specification option:

For ceiling heights up to 2800 mm.

1400 x 550 mm.

Guidance for specification option:

For ceiling heights up to 3300 mm.

Operating mechanism

Spring assisted trap door.

Guidance for specification option:

Supplied with operating pole and hook.

Hatchbox/ trapdoor

18 mm thick laminated wood.

Size (l x w)

1200 x 600 mm.

1200 x 700 mm.

1300 x 700 mm.

1400 x 700 mm.

Special order.

Guidance for specification option:

Insert requirement. Available 1200–1600 x 550–800 mm. Minimum length of 1400 mm for ceiling heights greater than 2800 mm.

Depth

200 mm.

Guidance for specification option:

Standard.

Special order.

Guidance for specification option:

Insert requirement, available 190–710 mm.

Passive House Certified

Not required.

Required.

Guidance for specification option:

Minimum hatch box depth of 290 mm.

Accessories

None.

Additional handrail.

Guidance for specification option:

Right-hand side only.

Upper loft hatch (Designo DD).

Guidance for specification option:

Combined U-value 0.29 W/m²K. Requires minimum depth of 670 mm.

Three side upper level guard rail.

LoadBearingCapacity

180 kg.

Guidance for specification option:

Per tread.

Sustainability data

Contains Red List materials

No

Manufacturer guidance

Contains Pentachlorophenol in compliance with EN 13986 (<5ppm) and Formaldehyde in compliance with 717-1 with (<0.05 ppm) and fulfils class E1.

Country of product manufacture

Germany

Material

Wood

Manufacturing plant location

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

-

Manufacturer guidance

We hope to be able to publish this data from early 2025.

Recyclability

90% of all materials used in the product and packaging are recyclable.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

-

Manufacturer guidance

Data currently unavailable.

Expected Life

30 year

Guidance for specification option:

With correct installation and maintenance.

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
Revit

Revit 2017

2

IFC
-

2

Literature

Wooden Loft Ladder with Highly Insulated Hatch Box - Designo

Wooden Loft Ladder with Highly Insulated Hatch Box - Designo

Case studies

Loft ladders for Passivhaus (Passive House) projects

Loft ladders for Passivhaus (Passive House) projects

Passivhaus certified loft ladder with fire protection

Passivhaus certified loft ladder with fire protection

Passive House certified loft ladder

Passive House certified loft ladder

Keeping in the warmth - Loft Access Hatch and Ladder

Keeping in the warmth - Loft Access Hatch and Ladder

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