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Old 08-22-2022, 09:21 PM   #1
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RV Windows Install - Wood Frame or Welded Frame

I'm about to start work on RV window installation this weekend.

Most DIYers online have welded metal frames for the windows. Since I do not have welding experience, I am instead opting to build wood frames for the windows, affixed to the structural ribs. (Check out )

I can take the precaution to seal the wood, and I'll use metal brackets to further support the frame.

Can anyone give me a good reason not to use wood?

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Old 08-23-2022, 06:47 AM   #2
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I had custom IG windows made to fit wood frames that I built. If you do decide to take that route, give yourself about an 1/8 inch on each side of the window to account for flex. Set the window on top of a small 1/8 rubber bumper and glaze it. I put a few coats of waterproofing on the wood and it’s been fine.
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Old 08-23-2022, 06:37 PM   #3
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Thanks so much for getting back to me.

Do you mean leave 1/8” on each edge for wood to expand/flex?

By “Set the window on top of a small 1/8 rubber bumper and glaze it” — do you mean, on the bottom horizontal wood piece of the frame, put a rubber bumper for the window to sit on so the window is not rubbing against the wood?

And by glaze it, do you mean apply a glazing sealant between rubber and window?

Thanks again @Venturevibesbus
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Old 08-24-2022, 02:25 PM   #4
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My window frames are routed out to be an 1/8” bigger than my window on all sides. I did this to account for the flex of the bus, so my window has room and won’t get damaged. The 1/8” bumpers are to keep the window off of the bottom of the frame. I use white lightning to seal the window, then I Brad nailed a small strip of wood to hide the gap and hold the window in place.
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Old 09-07-2022, 03:13 PM   #5
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Some sort of metal awning, maybe 1-2" deep, above the windows to deflect rain seems like a good idea.
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Old 09-08-2022, 06:50 AM   #6
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Quote:
Originally Posted by jsweet89 View Post
I'm about to start work on RV window installation this weekend.

Most DIYers online have welded metal frames for the windows. Since I do not have welding experience, I am instead opting to build wood frames for the windows, affixed to the structural ribs. (Check out )

I can take the precaution to seal the wood, and I'll use metal brackets to further support the frame.

Can anyone give me a good reason not to use wood?
Just make sure that anywhere the wood touches metal you have some sort of isolation between the two. Ive tore out so many walls that had mold and rot and it is always where the metal and wood touch. Condensation is one of the worst things for a bus.
Personally, I would skip the wood and pay a pro to weld in metal if your welding experience is minimal.
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Old 09-08-2022, 10:46 AM   #7
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Ditto on that.
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Old 09-10-2022, 05:27 AM   #8
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Me and a buddy welded metal frames together. Super strong and makes the bus even more rigid. My issue is that on one corner in 2 windows I have leaking. I can't seem to figure out where it is coming from. All of the other windows are good, just those two. I have tried a lot of different things to try and seal it up but since I'm not 100% sure exactly where the water is coming in from, don't know where to start. What is a good sealant to use?
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