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Sliding Doors vs Stacking Doors: Which Suits Your Cape Town Home?

  • CGAW TEAM
  • 5 MIN READ
  • UPDATED JULY 2026

Cape Town’s climate practically demands indoor-outdoor living — and the door system you choose to connect your living area to your garden, patio, or pool deck makes a bigger difference than most homeowners expect. The two most popular options we install are sliding doors and stacking (folding-stacking) doors. Here’s how to decide between them.

Sliding doors: the basics

A sliding door system uses one or more panels that slide horizontally along a track, typically with one fixed panel and one or more operable panels. It’s the classic, proven option for connecting living rooms to patios and is by far the most common aluminium door system in Cape Town homes.

Best for:

  • Openings where you want a clean, large glass panel with minimal moving parts
  • Homes prioritising thermal and weather sealing (fewer joints than stacking systems means fewer potential air/water infiltration points)
  • Budget-conscious renovations — generally the more affordable of the two systems

Trade-off: even fully open, a sliding door only opens roughly half (or less) of the total opening width, since panels stack behind one another rather than folding away.

Stacking doors: the basics

Also called folding-stacking or concertina doors, this system uses multiple narrow panels hinged together that fold and stack to one or both sides of the opening, allowing the entire width to open up.

Best for:

  • Homes wanting a true, uninterrupted connection between indoor and outdoor entertaining areas
  • Larger openings — 3m, 4m, or wider — where a single sliding door isn’t practical
  • Properties built around entertaining, braai areas, or pool decks where “opening up the whole wall” is the goal

Trade-off: more moving parts and seals means more potential points for wear over time, and stacking systems typically cost more than an equivalent-width sliding door due to the additional hardware and hinges involved.

Planning a renovation or new build? We’ll measure your opening and recommend the system that actually suits your home.

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What about security?

Both systems, when fitted with quality hardware and toughened safety glass, offer comparable security — multi-point locking systems are available on both sliding and stacking configurations. The deciding factor here is hardware quality and correct installation, not the door type itself.

What about weather sealing?

This is where Cape Town’s coastal wind matters. Sliding doors, having fewer joints and a simpler single-track mechanism, generally offer slightly better resistance to wind and water infiltration out of the box. Stacking doors can match this with quality seals and correct installation, but it’s worth discussing wind exposure with your installer if your property is in an exposed coastal position — Bloubergstrand, Hout Bay, and similar areas see significant wind-driven rain.

Our recommendation process

When clients ask us which system to choose, we look at three things:

  1. Opening width. Under 3m, sliding is usually the simpler, more cost-effective choice. Over 3-4m, stacking starts to make more sense for true open-plan flow.
  2. How you actually use the space. If you want a fully open “wall” for entertaining, stacking wins. If you want a clean, low-maintenance connection to a patio you use daily, sliding is often the practical answer.
  3. Budget. Stacking systems carry a higher cost per metre due to the additional hardware — worth factoring into a renovation budget early.

Both systems are manufactured and installed in-house by our team, using AAAMSA and SAGGA compliant aluminium and glass.

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