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08-03-2014, 07:16 AM
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#1
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Senior Member
Join Date: Jun 2013
Location: At various Florida State Parks.
Posts: 967
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Caulk type suggestion
We were waxing the beast (our 2005 DS) yesterday and we noticed a couple of areas where the caulk has started to lift away from the RV body. It is where two body pieces join. It looks like some type of clear caulk that was used to keep water out. Any suggestions on the type Newmar uses or can I just use any superior type of clear caulk at Home Depot? Thanks for any help.
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George and Brenda
2005 Newmar Dutch Star 3810, Spartan with CAT7
2013 Honda Fit
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08-03-2014, 08:01 AM
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#2
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Feb 2012
Location: Lake Wales, FL (Lake Ashton RV Community)
Posts: 1,035
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On the body panels I believe Newmar uses a Silicone based sealant. Home Depot has lots.
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Dan Leininger
2019 Mountain Aire 4534 and a 2017 Ford Expedition 4x4
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08-03-2014, 09:39 AM
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#3
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Senior Member
Texas Boomers Club
Join Date: Dec 2003
Location: Mo/Texas
Posts: 3,555
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Quote:
Originally Posted by danleininger
On the body panels I believe Newmar uses a Silicone based sealant. Home Depot has lots.
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Obviously it should be for exterior use. A call to Newmar would might also be beneficial asking for their recommendations. Have your vin and coach sn ready if needed. We also have a few areas on our coach they will need to be addressed soon.
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08-03-2014, 10:00 AM
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#4
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Moderator Emeritus
Nor'easters Club Workhorse Chassis Owner iRV2 No Limits Club
Join Date: Oct 2004
Posts: 30,785
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You go to the COM_NET LINK and look for sealants for your coach 2005.
This is the one they used on your coach click on Catalog Model Year.
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08-03-2014, 10:59 AM
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#5
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Senior Member
Join Date: Jun 2013
Location: At various Florida State Parks.
Posts: 967
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Thanks all for your suggestions. I decided to email Newmar for the recommendation. Hopefully I will hear back some time this week. 007 I tried the com area at Newmar web site but could not get in this time. Not sure why. I will give it another shot.
Thanks
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George and Brenda
2005 Newmar Dutch Star 3810, Spartan with CAT7
2013 Honda Fit
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08-03-2014, 11:30 AM
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#6
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Senior Member
Join Date: Jun 2013
Location: At various Florida State Parks.
Posts: 967
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007 I finally got in to the Newmar Com site and it appears that the caulk is just a basic caulk - 301. Thanks for the help.
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George and Brenda
2005 Newmar Dutch Star 3810, Spartan with CAT7
2013 Honda Fit
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08-03-2014, 11:36 AM
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#7
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Member
Join Date: Nov 2012
Posts: 48
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Has anyone moved to a longer lasting non-silicone solution like ProFlex with any downsides? I did this on my last 5th wheel and couldn't believe the difference between the OEM caulk.
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2010 Newmar Dutch Star 4333
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08-04-2014, 03:18 PM
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#8
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Senior Member
Newmar Owners Club
Join Date: Mar 2005
Location: Abbotsford, BC
Posts: 532
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I second Spencer's question. I've been looking at the Pro Flex, too... it's pretty cheap on Amazon:
http://bit.ly/geocel-pro-flex
I know that once something has been sealed with silicone, most other things won't stick. Didn't know if anyone's tried using the Pro Flex to repair/reseal things that had been sealed with silicone originally.
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John
2005 Newmar MADP
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08-04-2014, 04:41 PM
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#9
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Senior Member
Texas Boomers Club
Join Date: Dec 2003
Location: Mo/Texas
Posts: 3,555
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Quote:
Originally Posted by bcbounders
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I've heard that silicon caulk will not even seal, to its old stuff. Hopefully, most know to get the old stuff off completely and clean the area well before applying new caulk regardless of the type.
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08-04-2014, 04:53 PM
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#10
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Senior Member
Join Date: Nov 2008
Location: Michigan
Posts: 778
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I get it from Menards. It's for siding and comes in several colors. Don't use silicone.
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08-04-2014, 05:24 PM
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#11
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Senior Member
Newmar Owners Club
Join Date: Mar 2005
Location: Abbotsford, BC
Posts: 532
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Quote:
Originally Posted by JC2
I've heard that silicon caulk will not even seal, to its old stuff. Hopefully, most know to get the old stuff off completely and clean the area well before applying new caulk regardless of the type.
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Thanks for clarifying that, JC2. That's what I meant, but wasn't clear.
Even if you remove the old silicone, what do you clean the fiberglass surface with to remove the silicone residue? I was under the impression that once you've used silicone, it's next to impossible to completely clean the surface again so that anything else will stick... you have to use silicone again.
I've been wrong before, though!
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John
2005 Newmar MADP
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08-04-2014, 05:25 PM
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#12
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Senior Member
Newmar Owners Club
Join Date: Mar 2005
Location: Abbotsford, BC
Posts: 532
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Quote:
Originally Posted by rodz
I get it from Menards. It's for siding and comes in several colors. Don't use silicone.
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Didn't know Menards carried it. Good to know! Thanks!
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John
2005 Newmar MADP
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08-05-2014, 12:10 AM
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#13
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Senior Member
Freightliner Owners Club
Join Date: Oct 2002
Location: Fairview TX
Posts: 2,453
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I've had good success with a sealant called "Lexel", available at most good hardware stores, like Ace. Have not seen it at HD, Lowes, etc.
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Slabman
2019 Newmar Ventana 3717
2007 Lexus LX470 Toad
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