Slim-framed aluminium bi-fold doors fitted to a patio

Aluna

Aluminium Systems

About our aluminium

Strong, slim-framed aluminium, made to measure

Aluminium lets you go bigger — larger panes, slimmer sightlines and more glass for the same opening. We install the Aluna (Alunet Systems) range, with thermally broken frames that keep the warmth in and a wide choice of colours to match your home, whether you want doors that fold fully open for summer or large sliding panels with uninterrupted views.

Bi-Fold & Sliding Doors

Aluna bi-folds that fold neatly to one or both sides, and sliding doors with large panes and slim sightlines.

Thermally Broken Frames

Warm, energy-efficient aluminium frames in a wide range of colours, with matching aluminium windows available.

the range

Aluna bi-folds, sliders & windows

One aluminium system, three ways to use it — fold it fully open, slide it wide, or match it across your windows for a clean, consistent look.

Fold fully back to one or both sides and open the whole wall to the garden.

Large glass panes and slim sightlines for uninterrupted views all year round.

Matching aluminium windows to tie the whole elevation together in one finish.

recent work

Aluminium projects we're proud of

Aluna

Alunet Systems Range

Thermal

Broken Frames

SEAI

Registered Installer

Family-Run

& Referral-Led

Free, no-obligation quotes on aluminium doors

Talk to a local, family-run team. Call or send a message and we'll come back to you.

Call Michael today

086 173 9010

the aluna range

Browse the full Aluna brochures

Want to see the full range of styles, configurations and colours before you decide? Download the Aluna brochures, then call Michael and we'll talk through what suits your home.

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Some FAQ

Aluminium questions, answered

Bi-fold doors fold back like a concertina to one or both sides, so you can open the whole wall right up — ideal for connecting the kitchen to the garden in summer. Sliding doors glide on a track with large, fixed-size panes and very slim frames, giving you the biggest possible glass and uninterrupted views even when they're closed. We'll help you pick the one that suits how you actually use the space.

Modern aluminium isn't the cold metal of years ago. The Aluna frames we fit are thermally broken — an insulating barrier runs through the frame to stop heat escaping — so you get the slim, strong look of aluminium without losing warmth. Paired with energy-efficient glazing, they keep your rooms comfortable all year.

Aluminium comes in a wide range of colours, from classic anthracite grey and black through to softer shades, so you can match your doors to your windows, render or brickwork. Have a browse of the Aluna brochures above for the full options, and we'll confirm what's available for your chosen system.

Yes. The Aluna range includes matching aluminium windows, so you can carry the same slim frames and finish across the whole elevation for a clean, consistent look. A lot of customers do their bi-folds or sliders first, then come back to us for the windows — either way, we'll keep it all matched.

Aluminium bi-fold doors open to a garden
Slim-framed aluminium sliding door
clients testimonial

What our customers say

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Graeme Morrison

Verified Google review

I chose Paddy to install my triple glazing based on his excellent reputation, and I was not disappointed. The quote was fast and accurate, the price was competitive, and Paddy's guidance on my options was invaluable. Delivery time was perfect and his workers were a joy to have in our home. If you're after windows and doors, look no further.

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Siobhain Topping

Verified Google review

Fantastic service, a pleasure to deal with from the initial measuring up to the delivery of the large window I had installed. Work and installation was perfect. Very neat and tidy after, no mess. O'Sullivan did my aunt's house and I highly recommend them. When I'm getting the rest of the house done, there is nobody else I will be calling on.

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Iva

Verified Google review

Fantastic experience from start to finish. The team was incredibly fast, helpful and clearly took real pride in their work. The windows were installed with great care, and they even proactively swapped out a few that didn't meet their own high standards. Michael kept us in the loop every step of the process and made sure everything was completed to the highest standard. Highly recommend!

Aluminium sliding doors connecting a living space to the garden
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Product imagery courtesy of Aluna / Alunet Systems.