Best Glass Thickness for Different Types of Tables
Best Glass Thickness for Different Types of Tables
Choosing the right glass thickness is essential for ensuring a table’s safety, durability and aesthetic appeal. The ideal thickness varies depending on the type of table, its intended use, and the support structure. This guide provides detailed recommendations for different table types, including coffee tables, dining tables, desks, and protective overlays, with evidence-based insights for safe and practical use.
Why Glass Thickness Matters
Glass thickness affects structural strength, resistance to impact, and flex under load. Thicker glass can support more weight, reduce the risk of cracking, and provide a sturdier feel during everyday use. According to the Glass and Glazing Federation (GGF), even a small increase in thickness can significantly enhance load-bearing capacity and improve safety.
Additionally, safety standards in the UK recommend using tempered or laminated glass for table tops to prevent dangerous shards if the glass breaks. You can read more about safety requirements for furniture glass from the Glass Association.
Types of Glass for Tables
- Tempered (toughened) glass: Stronger than annealed glass and shatters into small, safer pieces. Ideal for most table tops. More info at FIRA Glass Best Practice Guide.
- Laminated glass: Made of two or more panes bonded with a plastic interlayer. Provides additional safety for large spans or high-traffic areas. Learn more at The Glass Warehouse.
- Annealed (float) glass: Standard glass, suitable for light-duty protective covers only. See guidance from Glass Tops UK.
For any tabletop glass exceeding 6 mm or used regularly, tempered or laminated glass is strongly recommended for safety. [Learn more about choosing a glass table top here].
Recommended Glass Thickness by Table Type
The following table summarises typical thickness recommendations for various table types:
| Table Type | Recommended Thickness (mm) | Notes |
|---|---|---|
| Protective Glass Cover | 4 – 6 mm | Serves only as a surface protector; underlying table bears the weight. See Glass Warehouse guide. |
| Small Side Tables / Nightstands | 6 – 8 mm | Light use, small spans. |
| Coffee Tables / Medium Tables | 8 – 10 mm | Moderate load; suitable for drinks, books, and décor. |
| Dining Tables / Office Desks | 10 – 12 mm | Handles heavier loads and frequent use. |
| Large Conference or Display Tables | 12 – 19 mm | For large spans or heavy-duty use; laminated or tempered recommended. |
How to Choose the Right Glass Thickness
- Measure the span: Larger tabletops require thicker glass to prevent bending.
- Check support structure: Tables with edge support may allow slightly thinner glass than those supported at a few points.
- Consider usage: Frequent use or heavy items necessitate thicker glass.
- Select safety glass: Tempered or laminated glass is essential for safety, particularly for thickness over 6 mm. UK standards refer to BS EN 12150 for toughened safety glass.
- Factor in aesthetics and weight: Thicker glass appears more substantial but adds weight, influencing handling and base requirements.
Practical Examples
- Coffee table: 8 mm toughened glass provides sufficient strength for daily use.
- Dining table: 10–12 mm tempered glass supports dishes, laptops, and regular family use.
- Desk: 10 mm tempered glass ensures stiffness for monitors and office equipment.
- Protective cover: 4–6 mm glass is enough to protect surfaces from scratches.
- Large conference table: 12–19 mm laminated or toughened glass reduces flex and enhances safety.
FAQs
What happens if the glass is too thin?
Thin glass may flex, crack, or shatter under load, especially for large tables or unsupported spans. Thicker tempered glass minimises these risks.
Is tempered glass necessary?
Yes. Tempered glass provides higher strength and shatters into small safer pieces if broken, reducing injury risks. Laminated glass adds extra protection.
Can I use thin glass as a protective cover?
Yes, 4–6 mm annealed or tempered glass can protect existing tables without bearing structural loads.
Should I use laminated glass over tempered glass?
Laminated glass is beneficial for extra safety, especially with children or high-traffic areas. Tempered glass alone is sufficient in most homes.
Are there drawbacks to very thick glass?
Very thick glass is heavy, expensive, and may require a stronger base. It can also look bulky compared to thinner, minimalist designs.
Conclusion
Selecting the correct glass thickness ensures your table is both safe and durable. As a general guide:
- 4–6 mm: Protective covers
- 6–8 mm: Small side tables
- 8–10 mm: Coffee tables and medium tables
- 10–12 mm: Dining tables and desks
- 12–19 mm: Large tables and conference tables
Always opt for tempered or laminated glass for safety and longevity. For high-quality, custom-cut glass table tops in multiple thicknesses, check out GlassHelp’s range of glass table tops.