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07-02-2018, 02:23 AM
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#1
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Member
Join Date: May 2017
Location: West Kelowna
Posts: 10
British Columbia
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What type of exterior sealant?
What type of sealant does dutchman use around trims, outlets, lights.
It looks to be silicone, but isn't that basically a no no in the rv world?
I want to reseal the entire exterior of my 2018 kodiak 186e. If dutchman did use silicone doesn't it have to be all removed before I can reapply? What would be the best method for doing this?
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07-02-2018, 12:04 PM
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#2
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,051
Florida
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I worked on one of my lights yesterday and yes, silicone was used by Dutchmen. It stuck pretty well to the trailer body but not to the light and I was getting some water behind the light. I used the putty when I put it back on so the back would be fully waterproof. On the roof, you want to use DICOR or something like it. It seems they used silicone around some of the more insignificant items but, I prefer to use dicor or EternaBond products for anything I add.
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07-02-2018, 01:00 PM
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#3
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Member
Join Date: May 2017
Location: West Kelowna
Posts: 10
British Columbia
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Quote:
Originally Posted by franktafl
I worked on one of my lights yesterday and yes, silicone was used by Dutchmen. It stuck pretty well to the trailer body but not to the light and I was getting some water behind the light. I used the putty when I put it back on so the back would be fully waterproof. On the roof, you want to use DICOR or something like it. It seems they used silicone around some of the more insignificant items but, I prefer to use dicor or EternaBond products for anything I add.
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Oh I definitely would use eternabond and dicor for the roof, my main concern at this point is lights and corner seals. Why the hell would they use silicone?
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07-02-2018, 01:16 PM
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#4
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Site Team
Join Date: Jun 2014
Location: Sprung Leak
Posts: 3,157
North Carolina
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Quote:
Originally Posted by Zerograv
Oh I definitely would use eternabond and dicor for the roof, my main concern at this point is lights and corner seals. Why the hell would they use silicone?
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Because they are idiots and it is cheap?
It may be Geocel Proflex which looks similar to silicone but is an isobutylene polymer (whatever the hell THAT is!)
Aaron
__________________
There is madness to my methods
2015 Coleman CM16FBS(traded) 2016 Concord 300DS
2015 Ford Fusion Hybrid following along
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07-02-2018, 01:20 PM
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#5
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Member
Join Date: May 2017
Location: West Kelowna
Posts: 10
British Columbia
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Quote:
Originally Posted by wahoonc
Because they are idiots and it is cheap?
It may be Geocel Proflex which looks similar to silicone but is an isobutylene polymer (whatever the hell THAT is!)
Aaron
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I doubt its proflex. Had a translucent look to it rather than clear which was my first clue as to it being silicone. I've been super happy with the trailer and this is more a preventative maintenance thing but what a pain in the ass. You cant even apply more silicone without needing to remove the old.
Mineral spirits and a plastic putty knife are by best bet I assume?
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07-02-2018, 01:29 PM
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#6
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Site Team
Join Date: Jun 2014
Location: Sprung Leak
Posts: 3,157
North Carolina
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Quote:
Originally Posted by Zerograv
I doubt its proflex. Had a translucent look to it rather than clear which was my first clue as to it being silicone. I've been super happy with the trailer and this is more a preventative maintenance thing but what a pain in the ass. You cant even apply more silicone without needing to remove the old.
Mineral spirits and a plastic putty knife are by best bet I assume?
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Plastic and wooden scrapers, they make silicone remover, to the best of my knowledge nothing else will touch it. If there is ANY traces left nothing will adhere to it.
Aaron [emoji41]
Sent from my XT1254 using Tapatalk
__________________
There is madness to my methods
2015 Coleman CM16FBS(traded) 2016 Concord 300DS
2015 Ford Fusion Hybrid following along
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07-02-2018, 05:05 PM
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#7
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Member
Join Date: May 2017
Location: West Kelowna
Posts: 10
British Columbia
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I contacted dutchman they said it is definitely silicone. I asked why in hell would they do that and they said they cant comment on it and advised me to take it to the nearest dealer lol.
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07-02-2018, 05:23 PM
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#8
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Senior Member
Join Date: Dec 2012
Location: Tahlequah
Posts: 3,079
Oklahoma
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Quote:
Originally Posted by Zerograv
I contacted dutchman they said it is definitely silicone. I asked why in hell would they do that and they said they cant comment on it and advised me to take it to the nearest dealer lol.
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They can't comment because they don't want you to know the blind installers use the odor to know where they're slathering it all over the place
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2013 Voltage 3800, 2012 Chevy 3500 HD
2010 Yamaha V Star 950
2009 Yamaha Raider
Volunteering with Habitat for Humanity Caravanners
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07-03-2018, 11:32 AM
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#9
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,051
Florida
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Quote:
Originally Posted by sundancer 87
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at least they go home happy!
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07-03-2018, 01:16 PM
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#10
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Senior Member
Join Date: Dec 2012
Location: Tahlequah
Posts: 3,079
Oklahoma
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Quote:
Originally Posted by franktafl
at least they go home happy!
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Slapping each other on the back, walking out of the plant and laughing about the poor sap that buys that unit.
__________________
2013 Voltage 3800, 2012 Chevy 3500 HD
2010 Yamaha V Star 950
2009 Yamaha Raider
Volunteering with Habitat for Humanity Caravanners
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07-07-2018, 10:22 PM
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#11
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Senior Member
Join Date: May 2012
Location: Jellystone
Posts: 489
Wyoming
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I took a sealant course from our dealer. They use pro-flex or sica-flex sealant on walls and around the windows. Scrape all the old sealant off and wipe with white gas. We were specifically told not to use mineral spirits though I do not remember the reason.
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07-08-2018, 12:02 PM
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#12
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Member
Join Date: Sep 2016
Location: Poconos via Langhorne
Posts: 45
Pennsylvania
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Sealant
I used the Dow 795. I think it’s urethane. It has 50% movement or stretch if you will.
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07-08-2018, 06:31 PM
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#13
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Senior Member
Join Date: Feb 2018
Location: FLA. largo
Posts: 220
Florida
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Sealant
When we first got our voltage home after first rain we noticed water around the inside windows I scraped it out and cleaned it with alcohol I used the same as a good friend used on his new toyhauler considering he is a airframe and power plant mechanic it is momentive rtv108 adhesive sealant then I resealed all hatches and doors I didn't want the dealer messing with it even though it was under warranty water is the killer on these. Have a great day
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07-11-2018, 10:33 AM
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#14
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Senior Member
Join Date: Jan 2016
Location: allentown
Posts: 244
New Jersey
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Sealant
I found that some of the silicone sealant on the two front corners of the roof of my rv didn't look good. It was where the seal strip that runs vertically up the exterior front corners meets the roof. To match the color I used some black colored DAP extra flexible exterior silicone and it seems to be the same stuff that Dutchman used.
While I didn't have a leak, I wanted to make sure it stayed that way. I don't see why it wouldn't work..
Is there some problem with silicone sealant that I should know?
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Pat & Barb
2019 5.3L ECOTEC3 V8 Chevy Silverado 1500
2016 Aspen Trail 1900RB
Allentown, NJ
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07-11-2018, 04:17 PM
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#15
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Senior Member
Join Date: May 2012
Location: Jellystone
Posts: 489
Wyoming
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In my sealant course we were told never to use silicone as it doesn't adhere completely to any surface and water can penetrate under it. It's used in the residential market mainly due to price and marketing. There are much better sealants out there.
One consideration that was explained to us was that you need to consider what it is like for your RV to travel down a highway in a rainstorm. If you are traveling into the wind you add the windspeed to your speed and it is exactly like your RV is in a hurricane! Your sealants actually begin to peel off which is why you need to use the best products available and expect to redo them every couple of years.
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07-11-2018, 07:58 PM
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#16
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Member
Join Date: Jan 2016
Location: Lenoir City
Posts: 40
Tennessee
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My dealer told me to never use EternaBond on the roof seals. I’m wondering why?
I am thinking that I want to permanently deal the seams and EternaBond looks to be the right stuff.
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2012 Ram 1500
Denali 289RK
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07-11-2018, 08:38 PM
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#17
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Senior Member
Join Date: May 2012
Location: Jellystone
Posts: 489
Wyoming
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Dicor Lap Seal is the best stuff for membrane roofs.
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07-11-2018, 11:35 PM
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#18
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Site Team
Join Date: Jun 2014
Location: Sprung Leak
Posts: 3,157
North Carolina
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Quote:
Originally Posted by Pricejh
My dealer told me to never use EternaBond on the roof seals. I’m wondering why?
I am thinking that I want to permanently deal the seams and EternaBond looks to be the right stuff.
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Because once you install it you ain't getting it off!
It works and works well, almost too well...
It works great for seam sealing, edge sealing and around the various vents.
Aaron
__________________
There is madness to my methods
2015 Coleman CM16FBS(traded) 2016 Concord 300DS
2015 Ford Fusion Hybrid following along
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07-11-2018, 11:36 PM
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#19
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Site Team
Join Date: Jun 2014
Location: Sprung Leak
Posts: 3,157
North Carolina
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Quote:
Originally Posted by Wanderer
In my sealant course we were told never to use silicone as it doesn't adhere completely to any surface and water can penetrate under it. It's used in the residential market mainly due to price and marketing. There are much better sealants out there.
One consideration that was explained to us was that you need to consider what it is like for your RV to travel down a highway in a rainstorm. If you are traveling into the wind you add the windspeed to your speed and it is exactly like your RV is in a hurricane! Your sealants actually begin to peel off which is why you need to use the best products available and expect to redo them every couple of years.
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The other problem(s) with silicone is that once you use it getting the residue off is all but impossible and nothing else will stick to it. Devil's invention!
I have had to remove way too much of it while doing a restoration on a Vintage Airstream.
Aaron
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__________________
There is madness to my methods
2015 Coleman CM16FBS(traded) 2016 Concord 300DS
2015 Ford Fusion Hybrid following along
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