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09-22-2022, 08:35 AM
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#1
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Junior Member
Join Date: Aug 2019
Location: RSM
Posts: 7
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Replacing Stove vent on outside wall
Hi,
I am replacing the stove vent on the outside wall of my 2006 Cougar. Looking for recommendations on the caulk. What is the best product to use that the elements?
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09-22-2022, 12:36 PM
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#2
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,456
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Quote:
Originally Posted by dmfrosty
Hi,
I am replacing the stove vent on the outside wall of my 2006 Cougar. Looking for recommendations on the caulk. What is the best product to use that the elements?
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https://www.campingworld.com/butyl-t...%2020%25-40%25
__________________
2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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09-22-2022, 12:45 PM
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#3
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Junior Member
Join Date: Aug 2019
Location: RSM
Posts: 7
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Thank you! This will be perfect!
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09-22-2022, 07:10 PM
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#4
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,270
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Not to hijack this thread, though it already seems resolved...
My son has a more vintage MH with a TPO EPDM roof. He has two satellite dishes up top (there when he bought it) which don't work, and he'd just prefer to demount them and patch up the holes in the roof. What's the best way to go about this?
(edited, my error)
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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09-22-2022, 07:13 PM
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#5
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,234
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This is one of those times eternabond would be ok IMO.
__________________
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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09-23-2022, 05:58 AM
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#6
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Senior Member
Join Date: Jan 2013
Location: Indiana
Posts: 2,664
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Quote:
Originally Posted by LHaven
Not to hijack this thread, though it already seems resolved...
My son has a more vintage MH with a TPO roof. He has two satellite dishes up top (there when he bought it) which don't work, and he'd just prefer to demount them and patch up the holes in the roof. What's the best way to go about this?
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Remove them, place a 1/4 in sheet of plywood over the holes, right on top of everything. Use a few wood screws to hold it in place. Use a LOT of Dicor caulking under the plywood and around the screws, around the edges, seal it up good. Then cover the plywood with some new rubber roof material, enough to go over it all and extend beyond a couple inches. Use Dicor again around the edges and even Eternabond tape to hold the edges down on top of that. Done.
Before laying down the plywood, sand down the upper edge so its more rounded and not a sharp corner so it won't hurt the rubber roof material by cutting it.
__________________
2019 Montana High Country 375FL
2014 Chevy Duramax HD 6.6 - 3500 Diesel Dully Long bed Crew Cab
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09-23-2022, 06:21 AM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,836
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I agree with Chuck, this is one of those times when Eternabond tape is called for. It's used to cover holes and repair the OEM roof membrane, not to cover sealant to prevent leaks.
Make sure to prep the roof surface properly, install the tape and then roll it correctly to activate the adhesive so it will adhere properly.
On an "older motorhome" chances are very VERY good that the membrane is NOT TPO but rather is EPDM. While the process to install Eternabond is similar for both types of membrane, Eternabond used to recommend sealing all the edges of the tape with DICOR self leveling sealant to prevent the edges of the tape from "rolling up". With TPO roofing, that's not required and over the years, as the instructions were revised, with less and less EPDM in use, the comment to seal the edges "sort of disappeared from the procedure"....
If it were me, on an EPDM membrane, I'd still seal the edges of the Eternabond wtih DICOR sealant, even though the instruction step was eliminated with the popularity of TPO membrane as the "roof of choice"....
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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09-23-2022, 08:06 AM
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#8
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Quote:
Originally Posted by dutchmensport
Remove them, place a 1/4 in sheet of plywood over the holes, right on top of everything. Use a few wood screws to hold it in place. Use a LOT of Dicor caulking under the plywood and around the screws, around the edges, seal it up good. Then cover the plywood with some new rubber roof material, enough to go over it all and extend beyond a couple inches. Use Dicor again around the edges and even Eternabond tape to hold the edges down on top of that. Done.
Before laying down the plywood, sand down the upper edge so its more rounded and not a sharp corner so it won't hurt the rubber roof material by cutting it.
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A couple pieces of Eternabond tape would be much easier, faster, probably better leak protection & wouldn't need to drill more holes in the roof for screws.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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09-23-2022, 08:02 PM
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#9
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Senior Member
Join Date: Jul 2013
Location: Box Elder
Posts: 2,897
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I wonder if a discussion about what sealant should be used on EPDM and TPO roof materials. There is a roof care link from Dicor that has a page that talks about that. I guess older EPDM roofs can use the regular lap sealant or the newer sealant but TPO should use the newer sealant only to avoid issues with distortion of the TPO material if the older lap sealant is used.
https://dicorproducts.com/images/RudysRoofbook_16.pdf
__________________
Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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09-24-2022, 03:18 AM
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#10
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Member
Join Date: Sep 2021
Location: Daytona Beach
Posts: 34
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So asking about fixing a stove vent on a side wall morphs into patching holes in roof membrane with Eternabond and no one gripes about hijacking, Ok. Simply asking if anyone knows what’s under a tub in the what have you done to your RV section because someone might have done it and knows causes a stern talking to. You guys are funny. Glad there is so much good information here to balance out the drama-dy. No ‘panties in a bunch’ allowed, it’s Saturday. Have a great weekend!
__________________
John Santy
‘06 Kargoroo 28KRS
‘20 F-150 XLT
‘00 FLHRCI
‘21 Royal Enfield Himalayan
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09-24-2022, 03:59 AM
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#11
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,836
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Quote:
Originally Posted by Outbackman57
So asking about fixing a stove vent on a side wall morphs into patching holes in roof membrane with Eternabond and no one gripes about hijacking, Ok. Simply asking if anyone knows what’s under a tub in the what have you done to your RV section because someone might have done it and knows causes a stern talking to. You guys are funny. Glad there is so much good information here to balance out the drama-dy. No ‘panties in a bunch’ allowed, it’s Saturday. Have a great weekend!
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I'd say that "most of us" aren't that thin skinned. If someone asks a question in a thread AFTER the op has his answer to the original question, what's the harm?
Technically, it's "hijacking" but how many campfire conversations stay on track without going off the rails multiple times?
In the case of the "What have you done to your RV" thread, asking a question about "How can you do a modification" is not congruent with the topic. By the way, that thread: What did you do to your RV today? was started on 09-03-2017, and with 1326 posts, it's also one of the oldest "active threads" on the forum.
Besides, your question about replacing a stove vent wasn't about "what was done" but was about "how do I do"... Trying to sort through pages of "I washed my RV" and "I repacked my wheel bearings" posts to attempt to follow comments about "YOUR DISCUSSION" among 1326 posts as the thread grows, would be difficult, among the "on topic chatter".... Essentially, I did you a favor by putting all discussion about your question in one place.... Thank me/thank the forum for the answers. As you said, "No ‘panties in a bunch’ allowed, it’s Saturday. Have a great weekend!"
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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09-26-2022, 12:52 AM
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#12
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,270
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Quote:
Originally Posted by JRTJH
On an "older motorhome" chances are very VERY good that the membrane is NOT TPO but rather is EPDM.
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Yeah, you're right, I flipped them by mistake. Sorry.
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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