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09-27-2019, 03:13 AM
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#1
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Recommendation For Sealant To Replace OEM Silicone
I've doing some pre-winter maintenance and cleaning of my coach and noticed that the silicone sealant around some of the clearance lights, corner trims pieces, and storage bay doors is showing its age. I'm looking at stripping/removing the factory silicone around these joints and re-applying a better product.
Been doing some research. Is a flexible polyurethane or SMP sealant like Sikaflex 221 or OSI Quadmax a better alternative than 100% silicone? Suggestions on something that will last longer than what's on there now?
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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09-27-2019, 03:17 AM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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Sikaflex is also an adhesive. We use it when installing slide topper brackets, and it’s got some serious strength to it so I wouldn’t use it. I would look for pro seal.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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09-27-2019, 03:39 AM
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#3
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Quote:
Originally Posted by chuckster57
Sikaflex is also an adhesive. We use it when installing slide topper brackets, and it’s got some serious strength to it so I wouldn’t use it. I would look for pro seal.
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Is this the stuff CHuck?
https://www.amazon.com/Pro-Seal-Prod.../dp/B001F9P4CY
If it is, it's a bit pricey at $42 per tube.
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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09-27-2019, 04:00 AM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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Recommendation For Sealant To Replace OEM Silicone
I don’t recognize the tube, we don’t use it probably because if that’s what the cost is...WOW!! I see trailers from Cruiser RV come from the factory with that being used. Lots of others still use silicone, like we do in the shop.
Lots of posts about silicone not sticking to silicone and I agree it won’t, but I use denatured alcohol to clean the surface and re apply silicone to a fresh surface and it seems to work. YMMV
On edit: it’s still early. I may have had the name wrong. Try this:
Proflex. https://www.geocelusa.com/product/pr...xible-sealant/
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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09-27-2019, 04:04 AM
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#5
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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I found a 'Pro flex' sealant made by Geocel. More than a few online reviews from RV techs recommend it. Anyone use this before?
https://www.amazon.com/Geocel-GC2810..._df_B001FC98X2
$8.99 a tube.
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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09-27-2019, 04:05 AM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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Looks like you were looking as I was typing. It sticks good, and from personal experience isn’t that easy to remove.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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09-27-2019, 04:15 AM
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#7
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Some good reviews here regarding Pro Flex.
http://www.irv2.com/forums/f50/profl...ne-302263.html
This may be the ticket.
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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09-27-2019, 05:45 AM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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I would use it.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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09-27-2019, 07:48 AM
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#9
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Senior Member
Join Date: Oct 2018
Location: Southern California
Posts: 1,286
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I recently used pro flex RV by geocell and it sticks very well. I would tape off the edges with painters tape (and remove the tape while the caulking is wet) so you get a sharp, clean line. Once it goes on, you can’t really smooth it out or clean it up.
Here is a video with more information
https://youtu.be/oX3dZhuyyoc
__________________
Mike
2017 F250 6.7 Powerstroke FX4 crew cab
2016 Hideout 24BHSWE (27 foot TT)
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09-27-2019, 08:00 AM
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#10
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Thanks Mike for your thoughts on Pro Flex. I have a tube on the way now from Amazon.
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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09-27-2019, 02:41 PM
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#11
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,692
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I use ProFlex - I think you'll like it.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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