Finding an 18 x 18 Shower Skylight for a Coachmen Mirada

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Original Member Title: HELP!!! Trying to find an odd size skylight
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An RVer replacing the roof on a 2001 Coachmen Mirada needed help finding a shower skylight for an 18 x 18 inch square cutout, with about 21 x 21 inch outside dimensions and a bubble rise of 3 inches or more. Members suggested that the opening could be padded smaller or finished with vinyl or wood if needed, and that a slightly larger skylight could work if there is enough roof space.

  • Several members pointed the owner toward RV skylight suppliers and replacement dome sources, without a...
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Arky-iRV2

New Member
Joined
Jul 8, 2025
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5
I've almost completed the roof replacement on a 2001 Coachmen Mirada, (I know but it was really clean unit so worth the effort), but I cannot locate any source for the shower skylight. It's an 18 by 18 square cutout. The current one has 1.5 inch flanges making the total outside measurements 21 by 21 inches. A 3 inch bubble rise or more will work great. Any assistance in locating a seller would be greatly appreciated!
Thanks to All Youall!!!
 
The rough out of 18X18 can be "padded" to make it smaller if needed and/or dressed out with vinyl or wood. And, an oversized dome can still work fine. Here's a couple I found pretty quickly... second one is through Home Depot.

Screenshot 2026-07-14 at 9.22.54 AM.png



Screenshot 2026-07-14 at 9.22.01 AM.png
 
My bookmarks for skylights:

 
Thanks Domo and RAYIN!!! I have pulled my hair out searching sites for this. Some list cutout dimensions and others outside measurements but nothing close. You shoved me in the right direction! Thanks again!!!
 
Arky, if your roof has room, it will not harm anything to install a slightly larger skylight. No-one will know the difference unless told.
 
I am also skylight shopping, make sure you get poly-carbonate which is what Icon direct uses. Anything else will get beat up by the sun too quickly
 
Sometimes those over sized hatches are designed as emergency hatches so try using that as a search term as well. Something like that is more common in much smaller RV's like truck campers.
 

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