Stair tempered glass
Shape and Size :Flat/ Curved or Custom size
Size: Min size: 300*150mm, Max size 3300*13500mm
Jumbo glass: Thckness 18*100mm, Max size 3300*13500mm
Certificate:CE,ISO9001,IGCC,US & Canada SGCC,AS/NZS,CCC
BS EN Heat Soaked Test Report Kuraray Sentry Glas Certificate
KS Certificate
Stair Tempered Glass refers to safety glass used in staircase construction—typically for balustrades (railings), balusters, or treads. The glass is "tempered" (toughened) through a thermal or chemical treatment process, making it approximately 4 to 5 times stronger than standard annealed glass.
| Material | Thermally tempered safety glass (must comply with safety standards like ASTM C1048, EN 12150, or AS/NZS 2208). |
| Thickness | Thicker glass (17.5mm+) is often used for frameless structural systems. |
| Edge Finish | Polished (flat), seamed (smooth to touch), pencil-polished (rounded), or mitered (for corner joints). |
| Surface Options | Clear, low-iron (ultra-clear), frosted/etched, tinted (gray, bronze), laminated (for added security), or digital ceramic frit (printed patterns). |
When used on stairs, it serves as a structural or infill panel that provides safety (preventing falls) while maintaining an open, modern aesthetic. It can be frameless (held by spigots or clamps) or framed (set into a handrail and base channel).
Advantages
Safety First
Tempered glass is a safety glass. If it breaks, it shatters into small, dull pebbles rather than sharp, jagged shards, significantly reducing the risk of severe injury.
Unobstructed Views
Unlike traditional wood or metal railings, glass allows for uninterrupted sightlines, making spaces feel larger and brighter.
Modern Aesthetic
It adds a sleek, minimalist, and high-end look that complements contemporary, industrial, and Scandinavian design styles.
Durability
Tempered glass is highly resistant to impact, thermal stress, and general wear and tear. It does not rust, warp, or corrode like metal or wood.
Low Maintenance
It is easy to clean (usually just glass cleaner and a soft cloth) and does not require painting, staining, or sealing.
Versatility
It can be customized in terms of thickness , color (clear, frosted, tinted, or back-painted), and edge finishes (polished, beveled, or mitered).
Service
FAQ (Frequently Asked Questions)
1. Is tempered glass required for stairs?
Yes. Most building codes (IBC, IRC, UK Building Regs, etc.) mandate that any glass used in a guardrail or balustrade must be tempered or laminated safety glass. Tempered glass provides the necessary strength and safe breakage pattern.
2. How thick should stair glass be?
It depends on the span (distance between supports) and whether it is a structural infill or a free-standing barrier.
Infill panels: Usually 10mm to 12mm.
Frameless (spigot-mounted): Typically 15mm to 21.5mm to resist deflection and wind/impact loads.
3. Is it safe for children and pets?
Yes, provided the installation follows local building codes. For maximum safety, some homeowners opt for laminated tempered glass. Even if the glass cracks, the interlayer (PVB or SGP) holds the pieces in place, preventing a gap from forming. Fully framed systems also eliminate sharp edges.
4. Does it show fingerprints and water spots easily?
Clear glass can show smudges, but this is easily managed with regular cleaning. Options like frosted glass, acid-etched glass, or water-repellent coatings help minimize the appearance of fingerprints and hard water stains.
5. How do you clean stair glass?
Use a mild detergent or a dedicated glass cleaner with a soft microfiber cloth. Avoid abrasive pads or harsh chemicals (like hydrofluoric acid) that can etch the glass surface. For exterior stairs, a squeegee helps prevent mineral deposits.
6. Can I install glass on a curved staircase?
Yes. While straight panels are standard, curved stairs require either:
Curved (bent) tempered glass: Expensive and custom-made.
Faceted panels: Using multiple straight glass panels angled to follow the curve of the stairs.
7. What is the difference between tempered and laminated glass for stairs?
Tempered: Heat-treated for strength; shatters into small pieces upon impact.
Laminated: Two or more glass layers bonded with a plastic interlayer; remains intact if broken.
Best practice: Often used together. For example, a laminated tempered glass panel offers the strength of tempering plus the "fall-safe" retention of lamination. This is often required for overhead glazing or top-of-stair locations.
8. Does it require a handrail?
Depending on local building codes, a top handrail (wood, stainless steel, or integrated into the glass via a "rail-less" system) may be required if the glass is not considered a structural guardrail. In many jurisdictions, if the glass is thick enough (e.g., 15mm+) and properly engineered, a separate handrail is not mandatory, though it is often recommended for comfort.
