Frameless glazing
Frameless glazing encloses a balcony or a terrace without walling it in. Toughened panes run in slim tracks at the head and the floor, and each one slides along the run and then pivots to hang flat at the parking end, so a whole side opens in about a minute. Between the panes there is a joint rather than a mullion — that is the point of it, and also the limit. It takes the wind, the dust and much of the noise off a balcony you want to use, but it is a screen, not a sealed thermal envelope, and it should never be sold as one.
- slide and pivot how panes park
- single toughened the glass
- screen, not envelope what it does
Why choose aluminium windows?
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Durable EPDM seals
Three contours of EPDM seals keep the glass off the aluminium and close the gap between sash and frame, so dust, humid salt air and wind-driven rain stay outside.
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Foamed thermal inserts
Foamed inserts fill the profile chambers and stop air circulating inside them, so less outside heat and street noise passes through the frame into the cooled room.
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Polyamide thermal breaks
Glass-filled polyamide thermal breaks up to 40 mm wide keep the outer and inner shells apart, so the frame holds its shape and its insulation through a UAE summer.
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Energy-efficient double glazing
Double glazing up to 60 mm thick puts a sealed gap of still air or gas between the hot street and the cooled room, so less heat crosses the glass into the room.
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How a balcony is enclosed
- Balcony measured, parapet and slab checked Engineer on the balcony within 48 hours
- Building's rules confirmed before we design Most communities set what is allowed
- Parking end chosen against the view Panels stack where they block least
- Track fixings taken into sound structure Not into a tile bed or a screed
- Bottom track drainage proved with water Sand and rain both have to leave
- Panes hung, aligned, locks and stops set Handed over opened and closed once
What a frameless run is made of
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Head and floor
Tracks
Panes are carried, then guided
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Toughened
Glass
Single pane, edges polished
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Slide then pivot
Movement
Panels stack flat at one end
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Drained
Bottom track
Rain and wash water get out
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Brush or gasket
Pane joint
A contact line, not a mullion
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What are we making
Shape and opening
Size
Width and height: 300–6000 mm. Not sure? Clear the fields — we’ll measure at the free survey.
Width under 300 mm — check that it is in millimetres.
Width over 6000 mm — we’ll confirm it at the survey.
Height under 300 mm — check that it is in millimetres.
Height over 6000 mm — we’ll confirm it at the survey.
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Glazing unit
Extras
Do you need a windowsill?
Do you need a coloured profile?
Do you need installation?
The honest downside
Where frameless glazing falls short
A single toughened pane has no insulated cavity, so it does little to hold back the sun. Closed on a still afternoon, a south- or west-facing balcony behind it warms up quickly, and the usual answer is to open part of the run again — fine, as long as nobody expected a cool room.
Everything is glass, so everything shows: salt, dust and fingerprints sit on both faces of every pane, and on a high floor the outside face is cleaned by opening the panes one by one. When the run is open, the parked panes stand as a stack at one end of the view.
If you want a terrace that closes into a cooled room in summer, a framed sliding system with insulated units is the one to look at. Frameless is the better choice when the space stays outdoors and you want it open, sheltered and usable for more of the year.
Consider instead
Terrace glazing
Frequently asked questions
No, and anyone telling you otherwise is describing a different product. The panes meet each other on a brush or a gasket, not in a frame with compressed seals, so there is always a path for air. What you get is a large reduction in wind, blown dust and street noise, and a balcony that becomes usable for months of the year when it was not before. What you do not get is a sealed room.
Not sensibly. Cooled air will leak out through the pane joints as fast as you make it, and you will be paying to condition the outside. If the aim is to turn the balcony into part of the flat, the right product is a sealed glazed system with insulated units and proper seals — a different job, with different structural loads and, usually, a different approval from the building.
Almost always. Towers and communities here take a view on balcony enclosures, because they change how the elevation looks from outside and they are visible from every other flat. Some allow them within a defined appearance, some do not. We ask for the rule before drawing anything, since a system designed around a stacking end that management then rejects is a wasted design.
It goes straight into the bottom track, which is why the track is designed to be swept out and drained rather than sealed shut. Grit is what wears the rollers and what makes a smooth run start to grate, so the maintenance is genuinely simple and genuinely necessary: clear the track, rinse it, keep the drainage holes open. Done occasionally, the run stays light on the hand for years.
Related pages
Nearby pages and the rest of the catalogue.
- All-glass corners
- Aluminium railings
- Balcony glazing
- Balcony glazing upgrade
- Cassette facades
- Conservatories
- Curtain wall
- Floor-to-ceiling glazing
- Frameless balcony glazing
- Garden rooms
- Glass balustrades
- Glass canopies
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Main Office
Dubai — Showroom
The Pinnacle Building, Sheikh Zayed Road, Office 607
Mon–Fri: 9:00 – 18:00
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Dubai — Showroom
The Pinnacle Building, Sheikh Zayed Road, Office 607
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