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Folding sliding door IDEALU IV 78

The wood and aluminium system with added quality

from 5,941from 5,941

incl. 19% VAT, free delivery**

  • Almost complete opening of the folding sash
  • High-quality system in an offset design
  • Extremely weather-resistant and easy to care for
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Estimated production time 6-9 weeks1
Idealu IV 78

Overview of features

Standard triple glazing with a Ug-value of 0.7 W/m²K

High-quality folding hardware from Siegenia

Effortless sash movement thanks to ball bearing rollers made of a special plastic material

10-year guarantee on the surface of the aluminium shell

Blue stain protection

High-quality surface thanks to hydroplaning

Grade 1a wood

German brand quality

Customer satisfaction

Over 200,000 happy customers and counting

Great value for money. Wouldn't hesitate to order again.

No risk, just a great experience.

The sales support is friendly, knowledgeable and always available.

Profile description

  • Glazing: You may wish to opt for triple glazing, depending on your requirements
  • Glass seal: The glass seal provides optimal protection against water penetration
  • Sash design: The sash has a classic offset design
  • Layer-glued wood: The layer-glued wood with continuous cover lamination ensures high stability and guarantees a long-lasting wood window
  • Sealing levels: The three circumferential sealing levels ensure perfect heat and sound insulation

Idealu IV 78 – system description

  • 78 mm construction depth with a Uf-value of 1.1 W/m²K (in spruce)
  • Standard triple glazing, Ug 0.7 W/m²K
  • Layer-glued sawn timber, available in pine, spruce, meranti, larch, eucalyptus and oak.
  • Smooth wood surface due to hydro-tensioned fine planing
  • Factory-applied finish to protect against UV rays and moisture
  • Finished with an electrostatic spraying process using environmentally friendly paints and varnishes
  • Effortless sash movement thanks to ball bearing rollers made of a special plastic material
  • The lower frame moulds, which are particularly affected by the weather, are protected by a coated or anodised water drainage channel
  • High-quality folding hardware from Siegenia
  • Maintenance-free sash hinges with plastic pins
  • Glazing unit thickness from 20 to 32 mm
  • Thermal, safety and soundproof glazing possible


  • Integrated multipoint locking system, lockable from inside and outside

Folding sliding door IDEALU IV 78

The IDEALU IV 78 folding sliding door combines high-quality Grade 1a wood with weather-resistant, easy-care aluminium.

ImageProfileModelProduct TypeWidthHeight
IV 78mmIDEALUFolding sliding door from 201 cm from 188.50 cm
windows24.com available New White from € 5,941

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