Open-plan living space with full-height glazing and sheer curtains

Slim System

Slim bi-fold doors & windows

When you want the whole opening gone, not just a panel moved aside. Bi-folds concertina back to fold almost the entire width clear of the threshold.

Is this for you?

  • You want to fully open a wall between an indoor room and a terrace or majlis.
  • You entertain and want an unbroken threshold when the doors are stacked back.
  • You want a bi-fold servery window between a kitchen and an outdoor counter.

Options & configurations

Multi-panel bi-fold doors

Panels hinged in pairs that fold and stack to one or both sides.

Traffic-door configuration

A single access leaf for everyday use without folding the whole set.

Bi-fold servery windows

Fold-back window sets for kitchen pass-throughs and outdoor bars.

Threshold choices

Rebated or low-profile thresholds balanced for weather and step-free access.

How bi-folds differ from sliders

A bi-fold clears almost the full opening because the panels fold away rather than sliding behind a fixed pane. The trade-off is a stack of folded panels that needs somewhere to sit, and more frame visible when the doors are closed. If an uninterrupted view when closed matters most, a slider may suit better.

Getting the stack and swing right

The number of panels, which way they fold and where the traffic door sits all change how the space works. We plan the fold direction around furniture, prevailing wind and the step so the doors are pleasant to use every day, not just impressive on opening day.

Plan it here

Sliding vs bi-fold, which suits your opening?

Both open up a wall, but they behave differently. It builds a short brief you can send with your enquiry. Open the full tool.

How it works

01

Enquiry

Tell us the space and the goal; add photos or a tool brief.

02

Survey

We confirm sizes and conditions on site and advise.

03

Quote

A clear, itemised quote with the real cost factors.

04

Make & fit

We fabricate and install, then check it all works.

What affects the cost

We don't publish invented prices. These are the honest factors that shape a made-to-measure quote:

Number of panelsMore leaves mean more hinges, hardware and weight to carry.
Threshold detailLow-profile weather thresholds need careful floor preparation.
Glass & finishSafety glass, tint and premium finishes affect the total.
Structural openingA sound, level, well-supported opening keeps installation straightforward.
Sliding vs bi-fold doors: how to chooseGuide · Sliders keep big fixed panes and a flat threshold; bi-folds clear almost the whole opening but stack in a concertina.
Ready to plan your slim bi-fold doors & windows? Get an itemised quote with the real cost factors, no invented prices.

Selected work

A look at the work

Good to know

Frequently asked questions

Most of it, the panels fold and stack to the side, leaving a near-full-width opening. Exactly how much depends on panel count and the stacking side, which we plan with you.

They concertina to one or both jambs. You need a little clear wall or reveal for the stack, which we account for in the design.

Low-profile thresholds are possible with the right floor preparation and drainage. There is a balance between step-free access and weather resistance, which we detail per opening.

Keep exploring

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Like what you see?

Get an honest, itemised quote for your project.