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IDEALU Trendline IV 68 aluminum clad wood windows

High quality wood-aluminum system

from 195from 195

incl. 19% VAT, free delivery**

  • High value system in semi-recessed design
  • 68 mm construction depth
  • Extremely weatherproof and easy to maintain
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Estimated production time 6-9 weeks1

Your Advantages at a Glance

10 year guarantee

RAL Seal of Approval for the aluminum cladding

High quality hydroplaned wood surfaces and special color options

Grade 1a wood

Made in Germany

High quality components from well-known manufacturers


Over 200,000 happy customers and counting

Jack’s Point, Otago, New Zealand
Residential building
Jack’s PointOtago, New Zealand
uPVC-alu windows and doors for a passive house

“windows24.com brought windows and doors with amazing quality to our project. The products are well-built and certified for passive house values.”

Heathmont, Melbourne, Australia
Residential building
HeathmontMelbourne, Australia
Composite windows and doors for a passive house

“We spent more than a year searching for a window manufacturer with high product quality and maximum design flexibility. At windows24.com we found the perfect solution for us.”

Cornwallis, Auckland, New Zealand
Residential building
CornwallisAuckland, New Zealand
uPVC windows and a sliding door for high wind zone

“Our architect recommended windows24.com to us. Their German-based window expert team was very helpful in finalising details, organising transport and training my onsite-builder.”

Private house Massachusetts
Residential building
Private houseMassachusetts, USA
uPVC windows

“windows24.com was a great partner for constructing our house. With their help we reached highest quality in terms of design and isolation.”

Profile Description

  • Glazing: Choose between double or triple glazing.
  • Glass seal: The glass seal provides optimum protection against water penetration.
  • Sash design: Modern with a semi-recessed design.
  • Layer glued wood: Glued wood edge bands with continuous laminated top layer provide stability and durability.
  • Sealing levels: Three sealing levels ensure both good thermal and noise insulation.

IDEALU Trendline Aluminum Clad Wood Windows - Description


  • Insulating glass can be combined with sun protection, sound reduction glazing (to class 4) as well as anti-burglar and ornamental glass options
  • UV-resistant seals
  • Wet glazing


  • Surface treatment increases durability and window life
  • Natural wood finishes and RAL paint colors available


  • Custom feature combinations for insulation, noise reduction, security, opening method and location. 


  • Thermal insulation per DIN 4108 and EnEV standards
  • Sound insulation from levels II to V (per VDI 2719 SSK, SSK)
  • Anti-burglar level options up to Resistance Class 2 (DIN V ENV 1627-1630)
  • Wood windows with an RSG 10-year guarantee are only coated with products which conform to all European requirements.
Advantages in Detail

Idealu Trendline - Advantages in Detail

10 Year Guarantee

The excellent quality of our aluminum clad wood windows means that we offer a 10 year guarantee on the exterior aluminum shell and a 5 year guarantee on the wood surfaces of all our models. This window is perfectly suitable for all houses built in a modern architectural style as the  sash and frame are flush on the outside. We want you to enjoy your house and your matching windows for many years to come.

Idealu - RAL Seal of Approval for the Aluminium Casing from "Stemeseder Alto Nova"

The RAL-approved aluminum casing means that you can expect the highest quality. This is regularly monitored and tested by independent third parties. So you as the consumer or end-user can rest assured that the windows and doors you receive are long-lasting and of excellent quality. By using welded corner units, the corners will not warp, even under heavy strain. This gives it an attractive look while being water tight at the same time. Aluminum as a working material is very weather resistant and can be supplied in virtually any RAL color. That gives you an extremely wide color selection and a maintenance-free product.

High quality hydroplaned surfaces and special interior color options

This new and innovative method of machine planing means that the wood surfaces are especially smooth and high quality. The wood fibers on the top surface are not only cut off but pressed flat leaving the pores open. The primer thereby penetrates deeply and permanently into the wood and protects it. This means an an attractive and high quality window for a long time to come.

Grade 1a Wood

In order to manufacture wood windows, it is necessary to have high quality wood without knots, coloring or excessive resin. While the main reason is usually cosmetic,  these properties can also negatively affect the stability, durability and functionality of the wood. All wood profiles are manufactured in continuous glued laminated layers. No jointed wood is used in the production of our windows. This guarantees warp-free frames with clean, smooth, rigid joints.

Quality Made in Germany

All of our windows and doors are manufactured in Germany. We are members of the German Association of Window and Façade Manufactures. Being based in Germany is not just due to high quality craftsmanship and manufacturing, but also important for economic reasons. Our customers receive the best possible quality at an excellent price-performance ratio. 

High Quality components from well-known manufacturers

We use only the highest quality components from well-known manufacturers into our windows and doors. This is another way of guaranteeing only the best quality. Handles made by Hoppe, glazing supplied by Fandel and fittings from Siegenia Aubi and Winkhaus are just a few of the high quality components we use. To ensure you get the longest possible life out of your new windows and doors and are completely satisfied with your purchases, we focus on offering only the best products, Made in Germany 

Buy Aluminum Clad Wood Windows online

By focusing on e-commerce, we are able to keep our overhead low and pass these savings on to our customers in the form of high quality yet low-priced windows and doors. Compared to standard market prices, we are able to offer our customers' savings of up to 35% over competitors and bricks and mortar stores. Moreover, every aspect of our products is customizable in contrast to those offered at DIY stores. Buy your aluminum clad wood windows of pine, larch or meranti online at windows24.com and see for yourself!

Affordable Aluminum Clad Wood Windows

Our Idealu Trendline aluminum clad wood windows is a unique window insofar as being made of a combination of two high quality materials. With beautiful wood on the inside and weatherproof, maintenance-free, aluminum cladding on the outside, it's a perfect match Personalize your windows and choose from the wide variety of colors we can offer to suit your taste and project's requirements. With a different interior and exterior surface, the possibilities are even greater than with single material windows. With a tough aluminum shell, maintenance is considerably lower compared to conventional wood windows which require more upkeep and repainting.

Aluminum Clad Wood Windows: Top of the Line

The Idealu Trendline composite window is the highest quality window offered by us at windows24.com given its technically advanced production process combining two different materials into a single end product. On the inside, you get a beautiful wood look providing the warmth and a traditional feel that only wood can. On the exterior is an aluminium shell, which is welded in the corners of the windows and applied as a shell coating on the outside of the wood base. We offer wood-aluminium windows in multiple wood species including pine, meranti, larch and oak as well as in a wide variety of colors. And thanks to our special varnishing process, the wood surfaces  are extremely durable adding to their lifespan and low maintenance requirements.

Product information

IDEALU Trendline IV 68 wood-aluminium window

The IDEALU Trendline wood-aluminium window is available in pine, meranti, larch and oak and is extremely weather-resistant.

ImageProfileModelProduct TypeWidthHeight
IV 68IDEALU Trendline IV 68Wood-aluminium window from 50 cm from 50 cm
windows24.com available New White, Mahogany, Teak,
, Walnut,
RAL colours
from € 195

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