Dulles Glass and Mirror
Free Shipping All the Time!
  • shopping cart

Tempered Glass

Tempered glass, also known as tempered safety glass, is defined as glass that is heat treated to be stronger and more durable than standard annealed glass -- up to four times stronger! Another name for this type of glass is "toughened glass". The thermal process that cures tempered glass also makes it heat-resistant, making it an ideal choice for many DIY projects.

Choose Your Tempered Glass Shape
Rectangle
Square
Circle
Oval

What Is Tempered Glass

Because of the way tempered glass is heat-treated, it breaks into small, safe pieces rather than large shards. This is called "dicing" and makes tempered glass safer than standard annealed glass. For this reason, tempered glass is most often used where standard glass could pose a danger.

At Dulles Glass & Mirror, we have perfected the process for hand-crafting your tempered glass pieces. The first thing you should know is that your tempered glass is cut to size. In fact, we cut, polish, and finish your glass to your specifications before we temper it. Cutting tempered glass after tempering is not recommended. After your glass is cut, we put it in our own tempering ovens, so we know how your glass is treated from start to finish. After your glass comes out of our tempering ovens, we finish it with a high-pressure cooling treatment to complete the process. Federal regulations state that tempered glass must have a surface compression of 10,000 psi or more. It usually breaks at around 24,000 psi.

Here are a few fast facts about tempered glass:

  • You can customize the size, shape, thickness, and edge types of your glass.
  • You can also choose bronze or gray tempered glass when you are customizing your glass.
  • You can choose to get your glass with or without a tempering stamp (a stamp that authenticates that your glass was tempered.
Tempered Glass vs. Annealed Glass
glass shelf

Where to Use Tempered Glass

Tempered glass is suitable for most uses around your home. Here are some places our customers have used tempered glass:

  • Patio table tops
  • Indoor table tops
  • Glass shelves
  • Offices and businesses
  • Protecting antiques or tables
  • Greenhouses
  • DIY and craft projects

Ordering Tempered Glass

Tempered glass must be cut and polished first, before tempering. If it was tempered first, we would not be able to cut and polish it to your specification. That's why we've invested in our own state-of-the-art glass fabrication facilities, including large tempering furnaces where we temper your glass after we cut and polish it. This ensures that we can manage the quality control of your glass order, as well as expedite your delivery time.

When you order tempered glass from Dulles Glass & Mirror, you can be assured that your order will arrive quickly -- within 5-7 business days -- and we guarantee that it will arrive intact!

The best part? Because we have our own manufacturing facility, you also get the benefit of our factory-direct pricing. Dulles Glass & Mirror is the only place you can get high-quality, custom-cut, tempered glass at this affordable of a price!

Beyond items like tempered glass shelves, table tops, and other custom cut tempered glass, we also offer tempered glass panels and tempered glass sheets. The maximum size for shipping is 119"x79".

tempered glass

Tools

Use our Glass Weight Calculator to find out how much your glass will weigh, or our Glass Weight Load Calculator to find out how much your glass can support.

Calculator
Glass Weight Calculator
Calculate Weight
Calculator
Glass Load Calculator
Calculate Resistance

Related Videos

Glass Thickness
Glass Strength
Corner Finishes

Reviews and Q&A

Your Glass. Your Way.