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Old 03-29-2017, 03:20 PM   #11
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14 Gauge galvanized sheet metal, works wonders, haven't had a single leak since i replaced my hatches. I loved the hatches, but every school bus driver I spoke to said they pretty much leaked from factory...
I had a couple 14ga squares cut out, but man that's THICK. that's what the ribs are made of! how'd you attach it?
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Old 03-29-2017, 03:32 PM   #12
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I had a couple 14ga squares cut out, but man that's THICK. that's what the ribs are made of! how'd you attach it?
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Old 03-29-2017, 09:08 PM   #13
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I'm planning on fabricating a new set from either steel or aluminum. I need to be able to stand up through mine to adjust the solar panel frame.
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Old 03-29-2017, 09:09 PM   #14
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I've got one you can have. Leaks like new!
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Old 03-29-2017, 09:54 PM   #15
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I used a Lewmar series 70 sea hatch. It was the correct size but I had to band saw some curved boards to make a flat surface to mount it on. The only problem is the price was pretty steep. I have yet to mount the "Ocean Skyscreen" blind/screen underneath it. So many curves and angles!
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Old 04-01-2017, 04:54 PM   #16
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I had a couple 14ga squares cut out, but man that's THICK. that's what the ribs are made of! how'd you attach it?
You are right, i just double checked it. I used 14Ga for a floor patch and 16Ga for the roof patches. I used butyl rubber tape between the patch and the roof and then I predrilled pilot holes around the perimeter and used those metal roofing screws with an integrated rubber washer. Both these, but similar:

https://www.amazon.com/Metal-ROOFING...TVJ71F312Q2MHM
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Old 04-02-2017, 03:31 PM   #17
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You are right, i just double checked it. I used 14Ga for a floor patch and 16Ga for the roof patches. I used butyl rubber tape between the patch and the roof and then I predrilled pilot holes around the perimeter and used those metal roofing screws with an integrated rubber washer. Both these, but similar:

https://www.amazon.com/Metal-ROOFING...TVJ71F312Q2MHM

I was wondering! lol
After I realized 14 was WAY too thick, I got a couple of 16ga squares cut out. Still haven't stuck em up there yet.
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Old 08-22-2018, 05:29 AM   #18
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Hi Skoolies! Thanks for all the great tips. In the process of converting our Mid Bus after years of deciding what would be the best platform.

The roof needs paint before winter and I need to patch hole from leaky emergency hatch and install maxx fan. Question: 2006 metal up there seems thin and I can’t find a big enough peel of steel. I can find aluminum. Can ai patch and seal that up there or am I gonna have a reaction?
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Old 08-22-2018, 07:33 AM   #19
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AFAIK you'll have a reaction if it's bare metal to bare metal. As for me, when I skinned over the hatches (albeit with steel) and put in MaxxAir fans, I had so much butyl tape and sealer that there didn't seem to be a chance of metal contact between the 2 pieces of steel. The self-tapping sheet metal screws, however, is a different story......not sure how you'd get around corrosion there.
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Old 08-22-2018, 12:53 PM   #20
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Isn't steel cheaper than aluminum?
Just call a steel shop and tell them the size and thickness.
Don't buy it at a box store!
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