Cathedral Convex Glass #900D


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On this page you can order Cathedral (or Single Boiler) Convex Glass (or Bubble Glass), which will fit into any profile of our Cathedral (or Single Boiler) picture frames. It is ideal for framing old, antique family portraits, especially when ordered along with cathedral (or single boiler) frames from our Vintage Collection which you can view by clicking here. 

Our Cathedral (or Single Boiler) Convex Glass (or Bubble Glass) is available in antique sizes:

  • 10”x16”

  • 11 ½” x 19 ½”

Click here to see all Cathedral Picture Frames that can be ordered with this convex glass.

Have questions? Click here to visit our Convex glass FAQ page.


What is the difference between convex glass and bubble glass?

Is there a difference between concave and convex glass?

How is convex glass measured?

How is convex glass installed?

How do I find convex glass to fit an antique frame?

How do I order custom sized convex glass?

What is convex glass used for?

How is convex glass bent?

What is the history behind convex glass?

Should I choose an acrylic dome or deep convex glass?



Convex Glass