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  • Oval Convex Glass
  • Convex Glass - Side View
  • Convex Glass - Side View

Oval Convex Glass #900A

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We have been bending and fitting antique replica convex glass (also known as;bubble glass or domed glass) since the early 1970s, and we currently stock most antique sizes and shapes along with their modern equivalents such as circle frames or oval picture frames. Although convex glass;is most popular with our Vintage Collection of frames, our convex bubble glass will fit any frame we make.

Measuring Convex Glass

Convex bubble glass is measured just like flat glass, measuring length and width directly across the glass (not around the bend of the glass). Convex glass generally has a depth of between 3/4" to 1" although deeper bends are possible. The most popular sizes often seem unusual such as the Oval 13 1/2" x 19 5/8". Many people are concerned that these odd sizes are no longer available or will require custom bending fees. However, we stock many of these unusual antique sizes, and most often no custom set up fees are required.

Although we stock over 50 standard sizes of convex glass, we also custom bend any size of convex bubble glass up to 22"x28". Each custom bend requires a paper tracing of the size required. The line you draw will be the line the glass is cut to. You will need to allow 3-4 weeks delivery after we receiving the tracing to produce your custom size convex glass.


Although oval picture frames make up less than 5% of all picture frames produced today, this has not always been the case. Over half of the picture frames produced in America by some the largest picture frame factories in the late 1800's up to about 1940 were oval, round, or antique octagon. A large percentage of these frames were family portraits that were and then covered with convex glass. Today many attics and basements are home to these family heirlooms framed in antique frames and often broken convex bubble glass.

Victorian Frame Company has a long history of bending convex glass replacements for these images. Our glass bending started in the early 1970’s and today we continue to manufacture convex glass along with a unique collection of antique replica frames. See our Vintage Collection of frames.

Uses of Convex Glass

Most convex glass is used to cover antique portraits in which the photographs themselves were also convex. We produce convex glass to fit our own antique replica frames, and also can supply a convex glass replacement to fit actual antique frames. We also regularly produce convex glass replacements to replace broken pieces in clocks, gauges and other instruments.

The Bending Process

Convex Glass is made by laying flat glass into frame molds and heating the glass to temperatures that allow the glass to slump. Longer heat creates a deeper bend. Just as the antique replica frames and convex glass are available today, it is also possible to have your modern prints made into a convex portrait. For information on having convex pictures created please visit the Brogan-Bowen Company.

Deep Convex Glass or Acrylic Domes?

Convex glass normally has a bend of about 3/4" to 1”. If you are displaying an item that has more depth than a photo or canvas, then you may consider using our acrylic domes which fit all our frames and range in depth from 2.5" up to 7". To view our acrylic domes click here.

Environmentally Responsible

  • This decorative picture frame is made from Medium Densisty Fibreboard (MDF) using wood sources that meet the highest standards of environmental compliance and responsible forestry practices. 

Other Details

Convex Glass

Product Reviews

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  1. Family Heirloom Saved

    Posted by shermacknyc@gmail.com on 23rd Aug 2018

    My mom had a large family picture taken in 1901. When she was moving to a retirement home the convex glass was broken and the picture was damaged. She passed away and I have felt very guilty about gettinng the picture repaired but could not find a replacement glass. No only did Victorian Frame company have the perfect replacement glass they also offered free advice on repairing the picture. Now it is proudly hanging in our dining room. Perfect fit and terrific service!!

  2. Very Nice

    Posted by Kenneth Kwiatkowski on 18th Aug 2018

    Cannot wait to see how it looks once the 1910 picture is in the frame

  3. 100 Plus Year Old Portrait Gets New Glass!

    Posted by Barbara Dennis on 9th Aug 2018

    I still can’t believe that I found your wonderful company and that you had an oval convex glass measuring 14x20 and it fit! Amazing! I truly have a hand painted Victorian portrait over hundred years old and now it has new glass. I never thought I would find this glass and was devastated when I broke it. I will recommend your company always. Thank you so much.

  4. Thankful for your Business

    Posted by Ellen on 6th Aug 2018

    I am extremely happy to be able to replace the convex glass in a very old family frame. It fits perfectly, and looks clear. I'm happy to find you on line after being told by frame shops it would be impossible to replace the broken glass.

  5. 900a oval glass

    Posted by janice k price on 3rd Aug 2018

    very happy with the service and delivery.
    Thank you

  6. convex glass

    Posted by KAREN SCHEER on 13th Jul 2018

    Worked great

  7. Old Picture - New Glass

    Posted by Matt Brockway on 1st Jul 2018

    The new oval convex glass fit about as well as you can expect for a 100 year old picture. Great product for such a limited market.

  8. Perfect fix

    Posted by Christine Wheeler McLeod on 25th Jun 2018

    Replaced glass in family heirloom picture, this fit perfectly.

  9. A1

    Posted by Unknown on 7th Jun 2018

    The convex glass fit perfectly in my old oval frame. I am amazed that a piece of glass can be shipped from Montana to Florida without it breaking somewhere along the way. Thanks very much.

  10. fast service, great product

    Posted by Unknown on 31st May 2018

    fast service, great product

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