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05-15-2022, 09:23 PM
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#1
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Senior Member
Join Date: Nov 2019
Location: Denver Colorado
Posts: 820
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Check your gutter sealant!
In prep for our new CCV top I'm going to raptor liner the van roof perimeter prior to the top install.
I noticed a small gap between the gutter sealant and the roof, it didn't look like much. Some of the sealant had small cracks in it. I grabbed a screwdriver and pryed on a bad looking section. The sealant didn't put up much of a battle. I found that water had been seeping under the factory sealant for some time. My van has lived in dry Colorado it's entire life. Had we lived in a moist climate the rust would have been hidden with extensive damage.
My point being, even with a 2WD you can't see the gutter. Make a point to check yours. My van is a 2002
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05-16-2022, 04:29 AM
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#2
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Senior Member
Join Date: May 2018
Location: Arizona
Posts: 637
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On my 1997 E350 RB I dug every bit of that filler out after I spotted the rust. This was originally an Cali van and rehomed to AZ so it is shocking how much rust has started to develop.
I used mostly glass reinforced body filler to fill all the holes after stripping every bit of rust out.
It has been a while, but I used Por-15 rust-inhibiting paint and scratched it well where the bondo needed to go.
At the time I used elastomeric roof coating (stock metal roof) for a final coat, but it tends to bleed a little so a raptor coating might have been better.
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05-16-2022, 09:51 PM
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#3
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Senior Member
Join Date: Apr 2011
Location: Oregon Ciry Oregon
Posts: 2,837
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Any suggestions on how to remove the old sealant and what to replace it with?
__________________
Larrie
Read detailed trip reports, see photos and videos on my travel blog, luinil.com.
Current van: 2002 Ford E350 extended body camper with Colorado Camper Van pop top and Agile Offroad 4WD conversion.
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05-17-2022, 04:56 PM
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#4
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Senior Member
Join Date: Nov 2019
Location: Denver Colorado
Posts: 820
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I used a screwdriver and a rubber mallet to chip out the old sealant. In the process now using a wire wheel to clean the gutter out, then epoxy primer.
I haven't decided on what sealant to go back with.
There are alot of 2 part epoxy types but they all dry in 5 to 10 minutes.
There's almost 40' of inch wide sealant to be installed. I want self leveling but enough time for it "float" around the entire gutter. One idea is to dam off a 6' section at a time and stage the project.
I'm open to any thoughts.
__________________
2002 e350 window eb,
7.3
CCV high top
Conversion in process. Lol
Denver, CO
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05-18-2022, 05:58 PM
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#5
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Senior Member
Join Date: Nov 2019
Location: Denver Colorado
Posts: 820
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Anybody have input on this?
__________________
2002 e350 window eb,
7.3
CCV high top
Conversion in process. Lol
Denver, CO
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05-19-2022, 08:44 AM
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#6
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Senior Member
Join Date: Oct 2009
Location: Portland, OR
Posts: 1,252
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I used seam sealer on mine. I also had a significant hole and cracks to deal with as well. I’ll see if I still have a tube so you know which one.
__________________
2001 Ford RB 7.3 Quadvan (sold)
2006 Sportsmobile EB Transformer 6.0
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05-19-2022, 08:49 AM
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#7
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Senior Member
Join Date: Oct 2009
Location: Portland, OR
Posts: 1,252
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__________________
2001 Ford RB 7.3 Quadvan (sold)
2006 Sportsmobile EB Transformer 6.0
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05-19-2022, 01:01 PM
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#8
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Senior Member
Join Date: Nov 2019
Location: Denver Colorado
Posts: 820
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Thanks Vandiesel, when I did a forum search not much came up.
It appears they didn't put any sealant back and just bed lined the gutter, am I seeing that right?
__________________
2002 e350 window eb,
7.3
CCV high top
Conversion in process. Lol
Denver, CO
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05-19-2022, 03:41 PM
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#9
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Member
Join Date: Mar 2019
Location: San Juans / 10000 Lakes
Posts: 98
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I stripped most of mine out twice. The first time I used Zerorust paint and Lord Fuzor seam sealer that was solvent based. I think the sealant reacted with the paint and pulled it away from the metal when it shrunk a bit. The second time I used Spraymax 2k Primer, white Industrial Rustoleum and Sikaflex 521UV. Very happy with that result.
Spraymax - https://amzn.to/39ZOtOP
Sika 521UV - https://amzn.to/3ltZMRQ
__________________
1998 E350 7.3 Hightop
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05-19-2022, 07:17 PM
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#10
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Senior Member
Join Date: Oct 2009
Location: Portland, OR
Posts: 1,252
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Quote:
Originally Posted by Lilnuts2
Thanks Vandiesel, when I did a forum search not much came up.
It appears they didn't put any sealant back and just bed lined the gutter, am I seeing that right?
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Nope. They stripped it and ground, welded, and filled with epoxy seam sealer. The last step was the thick liner and paint. It’s a relief knowing it’s all fixed. My basement box was filling with water and I could not figure it out until I pulled the protective sticker.
__________________
2001 Ford RB 7.3 Quadvan (sold)
2006 Sportsmobile EB Transformer 6.0
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