Flush structurally glazed showroom facade in Dubai with dark glass and thin silicone joints between panes

SHOWROOMS AND LOBBIES
NO OUTER FRAME

Structural glazing

Structural glazing takes the aluminium off the outside face of the building. Each pane is bonded to a carrier frame along its edge with a structural silicone joint, and that joint — not a pressure plate screwed over the glass — is what hands wind pressure and suction back to the frame. From the street the elevation reads as glass and shadow lines, which is why it ends up on showrooms, corporate lobbies and penthouse elevations rather than on a warehouse. It also means the bond is made indoors on a bench: dust and damp on a bonding face are the two things silicone will not forgive.

silicone bond what holds the pane
bonded indoors where it is made
flush outside face

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Why choose aluminium windows?

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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What the bonded joint depends on

Structural grade

Silicone

A load-bearing joint, not a sealant
Cleaned and primed

Bonding face

The step nobody sees afterwards
Controlled

Curing

Warmth and humidity held steady
Behind the bond

Retention

Mechanical restraint as second line
Gunned and tooled

Weather joint

Line between panes, not a cap

Modern villa with panoramic aluminium glazing and a pool at sunset

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How a bonded elevation is put together

Elevation measured and the pane grid drawn Our engineer on site within 48 hours
Carrier frames machined one per pane Made in our Dubai workshop
Bonding faces cleaned, primed and joined On the bench, away from site dust
Units left to cure before they are moved Nothing travels green
Anchors set, units hung and lined through Shadow gap held right across
Weather joints gunned, tooled and washed Then walked and checked pane by pane

Examples of solutions

The honest downside

The trade-offs of structural glazing

A bonded pane does not come out on its own. If one cracks, the glass and its carrier frame are removed together and a replacement pair is made and cured in the workshop, so a single broken pane means an access platform and a wait measured in weeks.

The flush face also shows everything. With no caps to break it up, streaks from dust and the first rain run across whole panes, and the weather joints between them keep the water out on their own — they have to be inspected and remade over the life of the building.

Where the look matters but easy maintenance matters too, semi-structural glazing keeps a capped edge on one axis, so a unit can be released with tools from outside. Fully bonded glazing is the right choice for a showroom or lobby where an unbroken glass face is the whole brief.

Consider instead Semi-structural glazing

Frequently asked questions

The joint works because it is continuous. Instead of pinching the pane at a few clamps, the bond runs the whole way round the edge and spreads pressure and suction along it, so nothing is concentrated where the glass is weakest. The engineer sizes that joint for the pane and the exposure it faces, and a mechanical restraint sits behind it so the unit cannot leave the frame even if the bond were damaged. It is a designed connection, not glue.

Because you cannot control a bench that is hanging off a rope. A structural bond needs a clean, primed face, a stable temperature and humidity while it cures, and time before the unit is moved — none of which a live elevation offers, and none of which can be inspected afterwards by looking at it. So the pane and its frame arrive already married, and site work is anchoring, alignment and the weather joint.

As a unit. The glass and the carrier frame come out together and a replacement pair goes back in, because separating a bonded pane from its frame is workshop work, not something done on an access platform. That is why the fabrication drawing is kept with the job record: the replacement is ordered to the original sizes and reaches site in the usual 3–5 weeks from approval.

Structural silicone is specified to sit in ultraviolet light, because on a bonded facade the edge of the joint is exposed at the perimeter of every pane. The failures people actually point at are different: a weather joint that was never properly tooled and pulled away at a corner, or a bond made onto a face that was wiped rather than cleaned. Both are workmanship, and both are why we do the bonding ourselves.

Profile Systems

Schuco

Schüco aluminium systems carry large panes on slim frames — for villas, apartments and offices where the view matters.

Learn more about Schuco
GUTMANN

GUTMANN systems are offered by Gutmann Middle East LLC, based in Dubai Investments Park: hinged windows and doors, sliding and lift-and-slide doors, curtain walls and glass railings

Learn more about GUTMANN
Deceuninck

Deceuninck uPVC profiles are designed in Belgium for superior insulation, weather resistance and a sleek finish. A popular choice for energy-efficient homes across Europe

Learn more about Deceuninck
Cortizo

Cortizo aluminium systems combine precise Spanish engineering with high thermal and acoustic performance. A reliable choice for windows, doors and facades that need to perform in demanding climates

Learn more about Cortizo
Montana 120

Montana 120 is a thermal-break sliding series from Gulfex (Gulf Extrusion LLC), with the profile extruded here in Dubai. A straightforward choice for sliding windows and balcony doors of ordinary size

Learn more about Montana 120
TB-600

TB-600 is the thermal-break hinged window and door series of Gulfex (Gulf Extrusion LLC). The profile is extruded in Dubai, and the same maker covers sliding, folding and curtain-wall systems

Learn more about TB-600
ALUK

ALUK is an Italian aluminium systems brand known for slim, minimalist frames that maximise glass area without compromising strength. Perfect for architectural projects that call for a light, contemporary look

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Vetromax

Vetromax combines advanced glazing technology with aluminium framing for maximum light, strength and energy efficiency. A modern solution for panoramic windows and glass facades

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REHAU

REHAU uPVC systems are engineered in Germany for outstanding thermal insulation, soundproofing and long-term durability. A proven choice for energy-efficient windows and doors worldwide

Learn more about REHAU