Glass and aluminium works in Dubai: safety glass, balustrades, windows and repairs
Windows, sliding doors, glass balustrades, shopfronts, partitions and shower screens are everywhere in Dubai buildings, and the Dubai Building Code sets clear rules for them: where safety glass is required, how high balustrades must be, how far windows may open, and how well glazing must keep out heat. This guide explains those rules and the practical side of keeping glass and aluminium working: leaks, seals, rollers and replacement.
The Dubai Building Code requires safety glazing in critical locations: low-level glazing must meet at least Class 1 under BS EN 12600, glazing in doors below 900 mm Class 2 and door side panels above 900 mm Class 3, or the ANSI Z97.1 or CPSC 16 CFR 1201 equivalents. Guardrails are required where a floor is 760 mm or more above the level below; they must be at least 1,200 mm high, with no gap that lets a 100 mm sphere pass and no climbable elements within 865 mm of the base, and glass balustrade panels must provide containment and resist the loads in ASCE/SEI 7-16. Operable windows must sit at least 900 mm above the floor and be restrained to open no more than 100 mm, and overhead glazing must be laminated with post-breakage containment. Glazed façades must also meet thermal limits, from U-value 2.1 W/m²K and shading coefficient 0.4 for less than 40% glazing.
Updated 17 October 2026. Every rule in this guide links to its official source at the end of the page.
Key facts
- Safety glass: BS EN 12600 Class 1 for low-level glazing, Class 2 in doors below 900 mm, Class 3 door side panels above 900 mm.
- Balustrades: required at 760 mm drop; at least 1,200 mm high; no 100 mm gaps; nothing climbable within 865 mm.
- Windows: operable windows at least 900 mm above floor, opening restricted to 100 mm.
- Overhead glass: laminated, with post-breakage containment.
- Manifestation: markings on clear glass between 750 and 1,500 mm, covering at least 50% horizontally.
- Thermal: U-value 2.1 / 1.9 / 1.7 W/m²K for under 40% / 40 to 60% / over 60% glazing.
Why glass and aluminium have rules
Glass is easy to walk into, fall against or have fall from above, and in Dubai it is also a major route for heat into air-conditioned buildings. The Dubai Building Code's building envelope part therefore regulates glazing for safety, through its section on protection from falling, collision and impact, and for energy, through limits on heat transmission and solar gain. Its architecture part regulates guardrails and balcony doors. The code states that its safety glazing rules supersede the safety glazing sections of the UAE Fire and Life Safety Code, so for glass safety in Dubai the code is the reference.
Safety glazing: where it is required
Section E.9.1 requires safety glazing in critical locations in doors, side panels and low-level glazing. Safety glazing in critical locations must meet the minimum classifications in either of two tables:
| Critical location | Height | Classification in BS EN 12600 |
|---|---|---|
| Low-level areas | All heights | Class 1 |
| Doors | Below 900 mm from finished floor level | Class 2 |
| Door side panels | Above 900 mm from finished floor level | Class 3 |
| Area of glazing in critical location | ANSI Z97.1 | CPSC 16 CFR 1201 |
|---|---|---|
| Up to 0.9 m² | A | I |
| Over 0.9 m² | B | I |
BS EN 12600 is a pendulum impact test that classifies how glass behaves when struck, and the classes reflect impact performance. As guidance, safety glass in practice usually means toughened (tempered) or laminated glass, and the product's marking or certificate should show the classification achieved. When a broken pane in a door or low window is replaced, the replacement must meet the same rule, which ordinary float glass does not.
Glass that protects a drop: containment
Section E.9.2 requires glazing in areas lower than 800 mm from the finished floor level that protects a change in level greater than 760 mm to provide containment, meaning it must hold a person back rather than just resist a knock. If a glazing panel covers areas both above and below 800 mm, the entire panel must provide containment. As guidance, this applies to full-height glazing beside a drop, such as floor-to-ceiling windows in mezzanines, stair voids and atriums, as well as glass balustrades.
Glass balustrades and guardrails
Section B.4.2.5.2 sets the rules for guardrails for fall protection:
| Item | Dubai Building Code B.4.2.5.2 |
|---|---|
| When required | Any space, walking or standing, elevated 760 mm or more above the finished floor level, with listed exceptions such as loading docks and stages |
| Height | At least 1,200 mm from the finished floor level or from the lowest stepping feature |
| Gaps | No opening that allows a 100 mm diameter sphere to pass, including between posts and design features |
| Climbability | No horizontal climbable elements within 865 mm of the bottom of the guardrail |
| Bottom gap | Any gap between the finished floor and the bottom rail no more than 100 mm |
| Loads | Balcony, handrail and guardrail assemblies withstand the loads in ASCE/SEI 7-16 |
| Glass panels | Glass used in balcony construction must provide containment and withstand the ASCE/SEI 7-16 loads |
As guidance, glass balustrades are a structural safety system, not a decorative panel: the glass type, thickness, fixing method and supporting structure should be specified by the designer and supplied with evidence that they meet the loads, and broken or damaged panels should be replaced like for like, never with thinner or untreated glass.
Manifestation: making glass visible
Section E.9.3 requires transparent glazing adjacent to doors, in doors without frames or handles, and in other areas where people might walk into it, to carry manifestation:
- located between 750 mm and 1,500 mm above the finished floor level;
- occupying at least 50% of the area horizontally at each 900 mm width interval, with at least 50% opacity;
- using visual elements such as bands or marks, including logos and artistic illustrations;
- preferably permanent, such as etching, or otherwise durable applied materials that are not easily removed.
Manifestation is not required where the glass is less than 500 mm wide, does not extend more than 850 mm above the floor, is fully blocked by a fixed element in front, or is upper-floor façade glazing with no outside access that cannot be confused with access glazing. As guidance, office glass partitions and frameless shopfront doors are typical places where manifestation is needed.
Windows: sill heights and restrictors
Section E.9.4 requires sliding and operable windows to be located at least 900 mm above the finished floor level, and operable windows to be restrained to limit the opening to 100 mm to prevent falls. There must be no construction feature at the bottom of the window that could be used as a ladder or climbing feature. Operable windows, skylights and ventilators must be able to be opened, closed and adjusted safely, with controls and handles at accessible heights where practicable, or remote manual or electrical operation where they are not. As guidance, window restrictors are a simple, inexpensive safety measure in homes with children, and broken or removed restrictors should be replaced rather than left.
Overhead glass and skylights
Section E.9.5 requires overhead glazing to be laminated with a post-breakage containment system, so that if the glass breaks it is held in place until it can be replaced. The safety and fragility of overhead glazing are determined under CWCT TN 66, and overhead glazing is tested under CWCT TN 67. Skylights must also meet thermal limits: a U-value of no more than 1.9 W/m²K, with shading coefficient and light transmittance depending on how much of the roof is glazed. As guidance, glass canopies, atrium roofs and skylights should be inspected for cracked panes and failed seals as part of roof maintenance, and anyone working on them must treat them as fragile surfaces.
Thermal performance of glazing
Section E.5.2.3.2 sets performance criteria for glazed vertical surfaces based on the total glazed area of the façade, using overall U-values that include the frame and edge effects:
| Total glazed area | U-value (W/m²K) | Shading coefficient | Light transmittance |
|---|---|---|---|
| Less than 40% | ≤2.1 | ≤0.4 | ≥40% |
| 40% to 60% | ≤1.9 | ≤0.32 | ≥32% |
| More than 60% | ≤1.7 | ≤0.25 | ≥25% |
The code also limits the share of each elevation that may be glazed by orientation, for example no more than 40% on south-facing elevations, requires thermal bridges in new air-conditioned buildings to be eliminated or insulated, including around doors and windows, and recommends external shading. As guidance, when windows are replaced, matching or improving the original glazing performance keeps the building within the code and avoids higher cooling loads; a cheaper single-glazed or clear replacement can noticeably increase heat gain in a sunny room.
Shopfronts and showrooms
For shopfronts and showrooms other than at ground-floor level, the code sets a U-value of no more than 1.9 W/m²K and a shading coefficient of no more than 0.76. Shopfront doors and side panels are critical locations for safety glazing, and large clear panes beside entrances need manifestation. As guidance, shopfronts also face security requirements in some sectors, covered below, and entrance doors carry heavy daily use, so hinges, floor springs, locks and seals need regular servicing.
Keeping water out: joints and flashing
Section E.7 requires joints between curtain walling, doors, windows and interfaces with other walls to resist rain penetration and not allow moisture to reach any part of the building that could be damaged. Flashing must be installed at the perimeters of exterior door and window assemblies, at penetrations and terminations of exterior walls, at wall intersections with roofs, balconies and projections, and at built-in gutters. Section E.5.6 requires exterior door and window frames to be sealed with materials meeting the fire code, preventing air and sound transmission. As guidance, common causes of window leaks in Dubai are blocked drainage slots in sliding tracks, perished gaskets and cracked perimeter sealant, all of which are usually repairable without replacing the unit. Power Zone's waterproofing guide covers leaks that show up inside.
Condensation and thermal breaks
Section E.7.4 requires the envelope not to promote surface condensation or mould growth, and notes that curtain walls, skylights, doors and windows can incorporate thermal breaks in their glazed frame systems to reduce condensation risk. As guidance, aluminium conducts heat well, so non-thermally-broken frames in air-conditioned rooms can run cold enough for humid outdoor air to condense on the outside or, around leaks, inside; thermally broken frames and good seals reduce this. Persistent condensation around frames can feed mould, which Power Zone's mold removal guide covers.
Balcony doors and sliding doors
Section B.4.2.5.3 says balconies and terraces must not have self-closing, self-latching or self-locking doors that could accidentally lock people outside. Glazing in balcony doors below 900 mm is a critical location for safety glass, and balcony guardrails follow the rules above. As guidance, sliding balcony doors are among the most-used moving parts of many Dubai apartments: worn rollers, dirty tracks, blocked drainage and misaligned doors cause sticking, jumping off the track, draughts and leaks, and are usually fixed by cleaning, new rollers and adjustment rather than replacement.
Shower screens and glass partitions
As guidance, shower screens and frameless glass partitions are often in critical locations under the code, because they are low-level glazing and often door-like, so they should use safety glass with the classification marked. Frameless shower doors rely on hinges, clamps and seals that need occasional adjustment and replacement, and limescale should be cleaned with products that do not damage coatings or seals. Office glass partitions need manifestation where people could walk into them.
Security glass
Where SIRA's Preventive Systems Manual requires physical protection, it specifies penetration-resistant glass, or penetration-resistant film fixed to a strong frame on glass façades, that resists penetration for at least 90 seconds. Power Zone's CCTV and access control guide explains SIRA's rules and which establishments they apply to.
Structural rules for glazing and frames
The building envelope part treats any piece that could become detached as a hazard. It requires the envelope and its openings to carry all static and dynamic loads, including wind, thermal and seismic, without fracture or permanent deterioration; to be securely fixed with vertical support and horizontal restraint; to accommodate movement; to use durable products with corrosion-resistant fixings lasting at least the envelope's design life; not to detach fully or partially; and not to make noise or resonate in wind. Wind loads are calculated under the code's structural part or by wind tunnel testing, and deflections must be limited so no defect occurs and they fully recover. Parts of the envelope protecting occupants from a drop of more than 760 mm must either resist the forces in Section 4.5.1 of ASCE/SEI 7-16 or have a compliant guardrail. Internal ledges and horizontal framing members must take 0.6 kN/m² or a 1 kN load, whichever is more onerous.
As guidance, these rules are why glass and aluminium systems on towers are engineered, tested products: a replacement unit or a modification to a curtain wall should be checked by someone who can confirm it still meets the original design loads.
Thermal movement and heat
The code requires the envelope to accommodate changes in dimension and shape from service temperatures and from the difference between inside and outside temperatures, without loss of performance. As guidance, Dubai's sun heats glass and aluminium strongly while the inside stays cool, so frames expand and contract daily; sealants, gaskets and fixings allow for that movement, and when they age or are replaced with the wrong product, leaks, rattles and cracked panes can follow. Thermal stress cracks in glass, which can start at an edge, are one reason replacement glass should be the right type for its exposure.
Façade fire safety and glass
The code's fire safety section for the envelope expands the list of materials exempt from certain façade fire tests to include glass, along with concrete, terracotta, ceramics and mineral wool, and requires solid metal panels to meet specified fire test classifications depending on building type. It notes that Dubai Civil Defence does not mandate sprinklers on the inside of rainscreen, glazing or curtain walls, and allows reduced spandrel heights where a tested and certified perimeter barrier system is used. As guidance, fire classification matters for aluminium composite panels and other cladding around windows, and any replacement cladding should match the tested system.
Sound through windows
The code requires the building envelope to meet acoustic requirements in its indoor environment part and requires window and door frames to be sealed against air and sound transmission. As guidance, noisy windows near roads or construction can point to worn seals, poor closing or single glazing; replacing gaskets and adjusting locks can help, and acoustic glazing units with laminated glass give larger improvements when the frame allows.
Glass in villas
As guidance, the same safety rules apply in villas: safety glass in doors, side panels and low-level glazing; balustrades on stairs, mezzanines, balconies and roof terraces at least 1,200 mm high with no 100 mm gaps and nothing climbable in the bottom 865 mm; restrictors on upper-floor windows; and laminated glass overhead. Pool fences and glass around pools need the same attention to safety glass, and children's safety is the main reason the climbing and gap rules exist. Power Zone's villa maintenance guide shows where glass and aluminium fit into a villa's yearly plan.
Glass partitions in offices
As guidance, office glass partitions bring together several rules: safety glass in doors and low-level panes, manifestation on clear panels people could walk into, and, where partitions change layout, the fire and access rules for the fit-out. Doors in glass partitions need hardware rated for their weight and use, and floor springs and patch fittings need periodic adjustment. Partitions also affect air distribution and security coverage, so office fit-outs should check AC balancing and camera views afterwards, as Power Zone's duct cleaning and CCTV guides explain.
An inspection checklist for glass and aluminium
| Item | What to check (guidance based on the Dubai Building Code) |
|---|---|
| Glass | Cracks, chips, failed double-glazing seals (misting between panes), missing safety marks in critical locations |
| Balustrades | Loose or damaged panels, missing caps or handrails, corroded or loose fixings, gaps over 100 mm |
| Windows | Restrictors present and working, sills at least 900 mm, locks and handles working, gaskets and brushes intact |
| Sliding doors | Smooth rolling, clean tracks, drainage slots clear, seals intact, no self-locking balcony doors |
| Joints and sealant | Cracked, shrunken or missing perimeter sealant; flashing in place at door and window perimeters |
| Manifestation | Markings present on clear glass where required, between 750 and 1,500 mm |
| Overhead glass | Laminated panes intact, seals sound, drainage clear |
Dust, sand and coastal corrosion
As guidance, Dubai's sand wears rollers and tracks, clogs drainage slots and scratches glass if it is wiped dry, while coastal humidity and salt corrode fixings, hinges and lower-grade aluminium finishes. Regular track cleaning, rinsing glass before wiping, and checking fixings in exposed locations extend the life of windows and doors. The Dubai Building Code's requirement for corrosion-resistant fixings suited to the local environment applies to replacement fixings too.
Window film and tinting
As guidance, solar and security films are sometimes added to existing glass to reduce heat or resist break-in. The Dubai Building Code's performance criteria for glazing combine thermal transmittance, shading coefficient and light transmittance, so a film changes more than one value: it may lower solar gain but also reduce daylight below the code's minimum light transmittance. SIRA's manual allows penetration-resistant film fixed to a strong frame as an alternative to penetration-resistant glass where its rules require. Films on double-glazed or coated units should be checked with the glass manufacturer, because some can cause thermal stress or affect warranties.
Entrance doors, floor springs and automatic doors
As guidance, entrance doors in shops, offices and lobbies take heavy daily use: floor springs, pivots, patch fittings, closers and locks wear and need regular adjustment, and automatic doors need their sensors and safety devices checked so they do not close on people. Glass in these doors is in critical locations, so replacement glass must meet the safety class, and frameless doors need manifestation. Door hardware heights and operation should also suit the accessibility requirements referenced by the code.
Mirrors and decorative glass
As guidance, large mirrors and decorative glass in bathrooms, gyms and lobbies can be in critical locations, especially near doors or at low level, so safety-backed or laminated products are the safer choice. Heavy mirrors need secure fixings into solid backing; Power Zone's rate card lists picture and mirror hanging from AED 80 per item, excluding VAT, for standard pieces.
Common mistakes with glass and aluminium
| Mistake | Result |
|---|---|
| Replacing safety glass with ordinary float glass | Dangerous breakage in a critical location; non-compliance with E.9.1 |
| Removing window restrictors | Fall risk, especially for children; non-compliance with E.9.4 |
| Sealing over blocked track drainage | Water trapped and pushed indoors |
| Fitting a self-locking balcony door | People can be locked outside; prohibited by B.4.2.5.3 |
| Adding climbable rails or planters to balustrades | Children can climb over; the 865 mm rule exists for this |
| Matching appearance but not performance on façade glass | Higher heat gain and non-compliance with Table E.5 |
Records to keep
- Glass specifications and safety classification certificates for critical locations.
- Balustrade design and load evidence for balconies and drops.
- Glazing performance data (U-value, shading coefficient, light transmittance) for façades.
- Warranties for windows, doors, sealants and glazing units.
- Repair records: seals, rollers, hardware and replaced panes, with photos.
Rentals and holiday homes
As guidance, landlords and holiday-home operators should check restrictors, balcony door locks and balustrades between stays, because guests are often unfamiliar with the property. Sliding doors and windows that stick or leak generate complaints quickly, and a seasonal service of tracks, rollers and seals can cost less than emergency repairs. Damaged glass should be replaced promptly with compliant safety glass, not left taped.
Double glazing and overall U-values
The code's thermal limits for glazed elements are overall U-values, calculated as area-weighted averages of the centre-of-pane value and the frame, including all edge effects such as spacers and frames and any thermal bridges. Glazed elements with back-insulated panels must meet the requirement too. It also notes that an insulating glass unit's U-value is higher when installed horizontally than vertically. As guidance, this means a high-performance glass in a poor frame can still fail the limit, so frame choice, thermal breaks and spacers matter as much as the glass itself.
Skylights and roof glazing performance
| Glazed roof share | U-value (W/m²K) | Shading coefficient | Light transmittance |
|---|---|---|---|
| Up to 10% of roof area | ≤1.9 | ≤0.32 | ≥32% |
| More than 10% of roof area | ≤1.9 | ≤0.25 | ≥25% |
These limits from the code's Table E.7 sit alongside the safety requirement for laminated overhead glazing with post-breakage containment.
Aluminium frames and finishes
As guidance, aluminium frames in Dubai face intense UV, heat, sand and, near the coast, salt. Durable finishes, compatible fixings that do not cause galvanic corrosion, and drainage that lets water out of frame chambers all extend life. The code's requirement that fixings be corrosion-resistant and suited to local exposure, and that the envelope resist environmental degradation through its design life, applies to frames and their fixings. Scratches in finishes should be touched up with compatible products before corrosion starts.
Ground-floor doors and horizontal glass
The code requires a damp-proof course at least 150 mm above adjoining ground for walls not under groundwater pressure, continuous with the floor membrane, and requires horizontal or inclined surfaces in the envelope to be jointless and impermeable, to have sealed joints, or to have overlapping joints that shed water outward. As guidance, ground-floor doors, thresholds and any sloped or horizontal glazing are where these rules meet glass and aluminium: thresholds need proper falls and seals, and sloped glass needs sealed or overlapping joints and clear drainage so water cannot sit and find its way in.
When to call a professional
- Cracked or broken glass in doors, low panels, balustrades or overhead.
- Loose, damaged or moving balustrade panels or handrails.
- Water entering around windows or doors in rain.
- Sliding doors jumping the track or very hard to move.
- Misting between panes of double glazing.
- Missing restrictors on upper-floor windows.
As guidance, broken safety-critical glass and loose balustrades should be made safe immediately, by cordoning off the area or boarding, until compliant replacement is fitted.
Planning a window or door replacement
- Survey the openings, structure, existing frames, sealant, flashing and drainage, and note which locations are critical for safety glass.
- Specify the system: frame type with thermal breaks, glass make-up, safety class where required, and glazing performance matching the code's limits.
- Check approvals: building management and, for façades in jointly owned buildings, the owners association.
- Plan access, including work at height and protection of people below for upper floors.
- Install with correct fixings, flashing, sealant and drainage, and fit restrictors where required.
- Test operation, locks and restrictors, and water-test where practical before handover.
- Hand over specifications, certificates and warranties for the records.
Signs of a good installation
- Frames square and fixed securely, with continuous perimeter sealant and visible flashing where required.
- Sliding doors that glide with light effort and lock fully.
- Drainage slots clear and weep holes facing outward.
- Safety glass marks visible on panes in critical locations.
- Restrictors fitted and working on operable windows.
- No water inside after rain or a hose test.
Common problems and repairs
| Problem | Likely cause | Typical fix (guidance) |
|---|---|---|
| Water around sliding doors in rain | Blocked track drainage slots, perished seals or cracked frame sealant | Clear drainage, replace seals, reseal |
| Sliding door sticks, drags or jumps the track | Worn rollers, dirty or damaged track, door out of adjustment | New rollers, clean track, adjust |
| Draughts, dust or noise through closed windows | Worn gaskets and brushes, poor closing, failed sealant | Replace gaskets and brushes, adjust locks |
| Condensation inside double glazing | Failed unit seal | Replace the glazing unit |
| Cracked or broken glass | Impact or stress | Replace with glass meeting the location's safety class |
| Stiff handles or locks | Wear, dirt or misalignment | Clean, lubricate, adjust or replace |
Maintaining windows and doors
- Clean sliding tracks and drainage slots regularly, especially after dust storms.
- Check gaskets, brushes and perimeter sealant yearly and before the rainy period.
- Lubricate locks, hinges and rollers with suitable products.
- Check window restrictors and balcony door locks work.
- Inspect glass balustrades, fixings and handrails for damage or looseness.
- Clean glass and frames with non-abrasive products that do not harm coatings.
The Dubai Building Code requires every building to have a safe method of maintaining its envelope; for high-rise glass, cleaning and repairs follow the rope access and BMU rules in Power Zone's facade and rope access guide.
Replacing glass and units
As guidance, replacement glass must meet the safety class for its location, the containment rule where it protects a drop, and, for façades, the thermal performance of the original or better. Double-glazed units come with specified glass types, coatings and spacers, so a replacement should match the specification to avoid a visibly different pane and weaker performance. In jointly owned buildings, façade glazing is part of the common parts under Law No. 6 of 2019, so replacing façade glass or changing its appearance involves the owners association.
Who is responsible
| Situation | Responsible party |
|---|---|
| Façade glazing and curtain walls in jointly owned buildings | Owners association through its Management Entity; façades are common parts under Law No. 6 of 2019 |
| Windows and doors inside a rented unit | Landlord for maintenance and repairing defects under Article 16 of Law No. 26 of 2007 unless the lease says otherwise; tenant for damage beyond normal wear |
| New installations and fit-outs | Designer and contractor, meeting the Dubai Building Code's glazing and guardrail rules |
Questions to ask a glass and aluminium company
- What safety glass classification will each pane meet, and will it be marked or certified?
- For balustrades and glass beside drops, how do the glass, fixings and structure meet containment and the ASCE/SEI 7-16 loads?
- What U-value, shading coefficient and light transmittance will new glazing achieve?
- Will operable windows have restrictors limiting opening to 100 mm and sills at least 900 mm high?
- How will joints, flashing and drainage keep rain out, and what warranty covers leaks?
- For repairs, can seals, rollers and hardware be replaced instead of the whole unit?
Glass and aluminium with Power Zone
Power Zone provides glass and aluminium works in Dubai, part of all seven emirates, 20 in-house teams: aluminium windows, doors and sliding systems; glass partitions for offices and homes; shopfronts and entrance doors; glass balustrades and shower enclosures; repairs to rollers, handles, locks, hinges and gaskets; and leak sealing around frames with clearing of drainage paths. Work is quoted after a site survey; the rate card lists door adjustment from AED 100 and door lock replacement labour from AED 120, excluding VAT. See also waterproofing and Power Zone Dubai, or request a site survey.
Frequently asked questions
Where is safety glass required in Dubai?
In critical locations in doors, side panels and low-level glazing, under Dubai Building Code E.9.1, with minimum BS EN 12600 classes or ANSI/CPSC equivalents.
What safety glass class is needed in doors?
BS EN 12600 Class 2 for door glazing below 900 mm from the floor, and Class 3 for door side panels above 900 mm.
How high must a balcony balustrade be in Dubai?
At least 1,200 mm from the finished floor or the lowest stepping feature, under Dubai Building Code B.4.2.5.2.
When is a guardrail required?
Where a walking or standing surface is 760 mm or more above the floor level below, with listed exceptions.
What gap is allowed in balustrades?
No opening may allow a 100 mm sphere to pass, and the gap under the bottom rail must not exceed 100 mm.
Can glass be used for balustrades in Dubai?
Yes, if the glass provides containment and withstands the loads in ASCE/SEI 7-16, as the code requires.
How far can windows open in Dubai buildings?
Operable windows must be restrained to open no more than 100 mm, and sit at least 900 mm above the floor.
Must overhead glass be laminated?
Yes. Overhead glazing must be laminated with post-breakage containment, assessed under CWCT TN 66 and tested under CWCT TN 67.
What is glass manifestation?
Markings on clear glass between 750 and 1,500 mm above the floor, covering at least 50% horizontally per 900 mm at 50% opacity, so people see the glass.
What U-value must façade glass meet in Dubai?
2.1 W/m²K for under 40% glazing, 1.9 for 40 to 60%, and 1.7 for over 60%, with matching shading coefficient and light transmittance limits.
Can balcony doors be self-locking?
No. The code says balcony and terrace doors must not be self-closing, self-latching or self-locking.
Why does water leak around my sliding door?
As guidance, usually blocked track drainage, perished seals or cracked sealant; clearing drainage and replacing seals often fixes it.
What is penetration-resistant glass under SIRA rules?
Where required, glass or film on a strong frame that resists penetration for at least 90 seconds.
Who replaces façade glass in a tower?
In jointly owned buildings, façades are common parts under Law No. 6 of 2019, so the owners association is responsible.
Must replacement glass be safety glass?
Yes, where the location is critical under the code; a replacement must meet the same safety class as required for that location.
Must glass façades resist wind loads?
Yes. The code requires the envelope to carry wind and other loads without fracture, with wind loads calculated under its structural part or by wind tunnel testing.
Do glass curtain walls need sprinklers inside in Dubai?
The code notes Dubai Civil Defence does not mandate sprinklers on the inside of rainscreen, glazing or curtain walls.
Do villa windows need restrictors?
As guidance, yes: the code's rule limiting operable window openings to 100 mm applies to keep children and others from falling.
Can window film change compliance with the code?
As guidance, yes: films change shading coefficient and light transmittance, which the code limits together, so check before fitting.
Can planters be placed against a glass balustrade?
As guidance, no: anything climbable within 865 mm of the base defeats the code's anti-climb rule.
How much does mirror hanging cost in Dubai?
Power Zone's rate card lists picture and mirror hanging from AED 80 per item, excluding VAT.
Do frame and spacers count in glazing U-values?
Yes. The code uses overall U-values including frame, spacers, edge effects and thermal bridges.
What performance must skylights meet?
U-value no more than 1.9 W/m²K, with shading coefficient 0.32 or 0.25 and light transmittance 32% or 25% depending on glazed roof share.
What should I do with a cracked glass balustrade?
As guidance, cordon off or board the area immediately and arrange a compliant replacement that provides containment.
How high must the damp-proof course be?
At least 150 mm above adjoining ground for walls not under groundwater pressure, under Dubai Building Code E.7.2.
Do I need approval to replace windows in my apartment?
As guidance, check with building management; façade glazing in jointly owned buildings is a common part under Law No. 6 of 2019.
How can I tell if safety glass is installed?
As guidance, look for the permanent safety mark on each pane in critical locations, and ask the installer for the classification certificate.
Is laminated or toughened glass required for shower screens?
As guidance, shower screens are usually low-level or door-like glazing, so they should use safety glass with the classification marked.
Must clear glass doors have markings?
Yes, where people could walk into them: doors without frames or handles and adjacent glazing need manifestation between 750 and 1,500 mm.
What load must internal ledges and frames take?
A uniformly distributed 0.6 kN/m² or a 1 kN vertical load, whichever is more onerous, under Dubai Building Code E.4.1.4.
Can a balcony door lock automatically?
No. Balcony and terrace doors must not be self-closing, self-latching or self-locking under Dubai Building Code B.4.2.5.3.
What is the minimum sill height for opening windows?
At least 900 mm above the finished floor level for sliding and operable windows, under Dubai Building Code E.9.4.
Are glass façades exempt from some fire tests?
The code expands the materials exempt from certain façade fire tests to include glass, along with concrete, terracotta, ceramics and mineral wool.
What south-facing glazing ratio does the code allow?
No more than 40% of the south-facing elevation may be glazed, with other limits for other orientations, under Dubai Building Code E.5.2.2.
Must window frames be sealed?
Yes. Exterior door and window frames must be sealed with materials meeting the fire code, preventing air and sound transmission, under E.5.6.
Where must flashing be installed around windows?
At the perimeters of exterior door and window assemblies, at penetrations and terminations, and at wall intersections with roofs and balconies, under E.7.3.4.
Should frames be thermally broken?
The code notes curtain walls, skylights, doors and windows can incorporate thermal breaks to reduce condensation risk.
Does Power Zone repair windows and sliding doors in Dubai?
Yes. Power Zone repairs rollers, handles, locks, hinges and gaskets, seals leaks and installs aluminium and glass systems.
Sources
- Dubai Building Code, 2021 Edition, Part E Building envelope: E.5 thermal performance (Tables E.5 to E.7), E.7 moisture and condensation, E.9 protection from falling, collision and impact, E.12 maintenance
- Dubai Legislation Portal, Administrative Resolution No. (13) of 2025 Approving the Preventive Systems Manual (SIRA): penetration-resistant glass
- Dubai Legislation Portal, Law No. 6 of 2019 concerning ownership of jointly owned real property (Article 7)
- Dubai Legislation Portal, Law No. 26 of 2007 regulating the relationship between landlords and tenants (Article 16)