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Old 05-12-2016, 09:25 PM   #11
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Panel over it and put a vent in its place.
We have 3 vents, also all leaking...
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Old 05-12-2016, 09:28 PM   #12
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This is great info... I wonder if that is our issue, too. There is a TON of sealant from the previous owner, and we tried adding more to no avail.
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Old 05-12-2016, 10:11 PM   #13
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We have 3 vents, also all leaking...
Re-install them, or look into higher quality units. Seal them up properly and they don't have much of a way to leak.
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Old 05-13-2016, 09:59 AM   #14
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Going to look for snow saucers now. Sounds like a cool option for other things.

Meh, nevermind. Was hoping for the big metal ones. THey just make plastic these days.
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Old 05-13-2016, 12:10 PM   #15
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Someone on here gave me the genius idea of just siliconing a small pet food dish over the exterior knob on the hatches. Super cheap, effective and it should be pretty much unnoticeable...
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Old 05-13-2016, 12:40 PM   #16
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I'm thinking the roof hatch doesn't need a handle on it. Why not remove the knob and seal that hole shut?

The problem is water pools on top of the hatch. If it's raining you can hear the water running off when you open the hatch. Stop the pooling of water on the top of the hatch lid and you'll likely stop the leak. That's what the snow saucer does. You could always put a garbage can lid on top of the hatch. Anything that will stop water from pooling on top of the hatch seems to work.
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Old 05-13-2016, 12:53 PM   #17
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I'm thinking the roof hatch doesn't need a handle on it. Why not remove the knob and seal that hole shut?

The problem is water pools on top of the hatch. If it's raining you can hear the water running off when you open the hatch. Stop the pooling of water on the top of the hatch lid and you'll likely stop the leak. That's what the snow saucer does. You could always put a garbage can lid on top of the hatch. Anything that will stop water from pooling on top of the hatch seems to work.
Mine didn't leak from any knob, they leaked from all around.
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Old 05-13-2016, 01:30 PM   #18
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Mine didn't leak from any knob, they leaked from all around.
Same with mine. I actually just removed the back one the other day and found out it was leaking from a broken screw. Not to mention there was little to no sealant surrounding it.

Put 20ga sheet metal sealant and screwed it down, no leaks after a storm passed through the next day.

Was trying to find a pic of it but not able to see FB @ work.
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Old 05-13-2016, 01:44 PM   #19
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Leaking here too. I toyed with the idea of putting boat hatches in in place of existing roof hatches in order to get a skylight + exit. Unfortunately they're a little pricey and need to be installed on a flat surface so i'd need fabricate a platform to mount them. Also, they can't vent when closed i dont think. Replacement emergency hatches are also pretty expensive as well though.

What other types of roof units have people used?
Lewmar Hatch Low Profile-Size 60 - Star Marine Depot
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Old 05-13-2016, 02:07 PM   #20
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in my last bus it leaked from the trim around the hatch.. black silicone around that trim and a little dot on each screw and it never leaked again.. the bus was stored inside but that thing would leak crazy when driving it in the rain...

first step is to determine where its leaking from.. in my case I got out the garden hose and ran water all around that trim without getting any on top of the hatch.. and when it leaked I knew that at least some of the water weas coming from where the hatch met the roof..

its sometimes easier to find where its NOT leaking from to eliminate those as a source.
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