07:35AM | 02/05/07
Member Since: 02/03/07
6 lifetime posts
I would like to install a round window in my interior kitchen 1 3/8" flush door. Somewhat like a porthole. I cannot locate the window frame. I ate at a restaurant that had a door with a 15" round frame that screwed in from one side pulling the other side tight holding the glass. All my "Google" searches led me to Nautical portholes fixtures which I do not want. Any help finding would be appreciated.


02:07PM | 05/14/09
Member Since: 05/13/09
1 lifetime posts

Did you ever find a round window for your interior door. I'm on the same search, and so far your question is a close as I've gotten. I saw the treatment in an apartment in Miami Beach last week, but the apt. "came that way".

doug seibert

03:28PM | 05/14/09
Member Since: 08/10/02
842 lifetime posts
Try a Custom Van Shop.....Auto supply

....the fixed/porthole windows sometimes use two extrusions that sandwich the sheetmetal/spacer/headliner...."just about" that door thickness.....

"......measure Once.....cut Twice....

throw that one away and cut a new one...."


10:36PM | 05/14/09
Member Since: 05/04/08
3 lifetime posts
Best bet is going to a machine shop to have two halves machined out of aluminum block. Cost runs about $250-300 per unit. There's also a company that manufactures something very close if you don't need an exact size. Try

Dave at Doorway Solutions in Denver Co. can order them in for you if you're in that area.


10:43PM | 05/14/09
Member Since: 05/04/08
3 lifetime posts
here's another source:


06:17PM | 06/10/13
Member Since: 06/10/13
1 lifetime posts
I make round windows for interior and exterior doors, called "Doorlenzes". The frame is made of aluminum and the window is made of either tinted acrylic or clear glass. This product is available in 3 size diameters: 3 in., 5 in., and 7 in. Take a look for yourself at
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