Innovators in window and door technologies

Sustainable, secure, energy efficient.

Established in 1982 in Germany, aluplast is one of the world’s leading extruders of premium quality PVCu window and door profiles.


Our next generation window systems have been designed to maximise manufacturing efficiencies and simplify installation, delivering advanced thermal performance with u-values as low as 0.7W/m2K.


German-engineered, our inline sliding patio and lift-and-slide door systems combine infinite design flexibility and effortless operation, with Passiv Haus equivalent levels of performance.


Our product ranges are available in wide range of finishes, including aludec and woodec, our real to the touch, aluminium foil and natural woodgrain options.

Global innovator. Family owned. And committed to the UK.

aluplast brings global leading innovation in energy efficient window and door systems to the UK and Irish home improvement and new build sectors.

Founded in Germany in 1982 we have grown to operate in more than 30 countries across the world, while remaining a family-owned business.

Working in partnership with leading UK window and door manufacturers for more than two-decades, we have a dedicated UK facility bringing global scale, expertise, and support, to the doorstep of our customers in the UK and Ireland.

Our values


We are a global innovator in PVC-U window and door technology, helping to make homes warmer and more sustainable, while maximising manufacturing and installation efficiencies.

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We’re big but we’re also family-owned. We know that the personal touch counts, and we work in close partnership with our customers in the UK and Ireland.

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aluplast window and door systems are engineered to deliver efficiency-gains in manufacture, lowering stockholding by maximising modularity across ranges.

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We are committed to minimising the impact of our operations on the environment, lowering our CO2 emissions and pioneering closed-loop manufacture in energy efficient PVCu windows and doors.

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Thermally efficient five-chamber fully sculpted 70mm system

U-Values as low as 1.2W/m2K 

24mm-40mm glazing options

Advanced ecotech system



Redefining expectations

Window systems options

Ideal70 is where we started. It was developed specifically for the UK and Irish markets and offering extensive design reach, it remains one of our best-selling window profiles.

Since its launch, we’ve added the contemporary, Ideal4000 window to our range, plus flush sash options across Ideal4000 and Ideal70.

We also offer Ideal neo. It’s a highly innovative energy efficient profile that can create windows with a U-value of just 0.9W/m2K with a standard double-glazed unit.

It’s also been designed to be easier to recycle at end of life, using less energy and creating a positive circular cycle.

Smart-Slide. The next generation patio door

Available in aludec and woodec foils, the NEW premium aluminium and natural timber effect finishes from aluplast.

Call 01684 273401 or email to find out more.

Minimalist, modern, Ideal neo, sets a new bar for energy efficiency

Innovators in PVC-U window and doors since 1982

We opened our new £26 million state-of-the-art extrusion facility in summer 2022.

Covering more than 15-hectares it includes a raw material mixing facility and new extrusion hall with the capacity to accommodate more than 50 twin-extrusion lines, plus R&D facility.

Latest News

Stay up to date with our latest news

Aluplast’s new flush window
aluplast has unveiled its new mechanically joined flush window, which promises to open-up new opportunities...
Why you should invest in sustainability
aluplast’s modern ecotech profile is helping to forge new relationships in the window supply chain. We...
Sustainable focus for aluplast at FIT Show 2025
aluplast has signed up to FIT Show 2025, in a move that supports its new product development programme...
aluplast manufacturing
Supplying support
It’s one thing having a supplier who offers the highest quality products to their customers. But having...