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10-07-2020, 09:00 AM
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#1
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Senior Member
Join Date: Sep 2020
Location: Halls
Posts: 219
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Correct Tape For Underbelly
I've done the search and still confused on which tape to get. My underbelly is the cardboard type. There are two kinds of tape. Just wanting to make sure I get the correct one to tape back up the spot I cut to fix the black water valve.
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10-07-2020, 10:15 AM
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#2
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,462
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Quote:
Originally Posted by Nankipoo
I've done the search and still confused on which tape to get. My underbelly is the cardboard type. There are two kinds of tape. Just wanting to make sure I get the correct one to tape back up the spot I cut to fix the black water valve.
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Perhaps if you added a signature to your query by clicking the UserCP tab at the top of the page and put your year, make and model along with the same for your tow vehicle, these questions would have more context. Not sure Keystone ever used cardboard under a camper.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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10-07-2020, 10:43 AM
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#3
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Senior Member
Join Date: Mar 2019
Location: Milwaukie, OR
Posts: 1,398
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Most likely coroplast which looks like corrugated cardboard. I've used 4" wide Gorilla Tape with good success.
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Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana High Country 305RL
2015 RAM 3500 Crew Cab 4x4 DRW
Demco Recon Hitch on RAM Puck Ball
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10-07-2020, 10:52 AM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,341
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The product used by the factory is called “scrim tape”.
__________________
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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10-07-2020, 11:07 AM
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#5
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,013
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Quote:
Originally Posted by chuckster57
The product used by the factory is called “scrim tape”.
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I know you work on RVs daily... would you say the scrim tape is the better choice over the gorilla tape? I’m not real impressed with gorilla tape for anything... doesn’t stick as well as plain old duct tape ....
And what surface prep do you recommend to use on the colorplast prior to applying the scrim tape? I was thinking alcohol would be best to clean surface prior to applying scrim tape ??
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2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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10-07-2020, 11:26 AM
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#6
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,688
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Chuck I know your post was to Chuckster but here is a link to scrim tape;
https://www.amazon.com/Surface-Shiel...a-569451568248
I've used the above with good success. Cleaned with a alcohol soaked cloth, let it dry, apply the tape and lightly run over it with a hair dryer to heat it up and help it bond - good stuff.
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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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10-07-2020, 01:18 PM
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#7
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,013
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Thanks for the tips on the heat.. that should help bond it nicely..... ordered some today from your link... thanks
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2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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10-07-2020, 01:20 PM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,341
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I’ve worked on RVs that have had scrim tape over 10 years old. Yeah it’s the shizznizzle
__________________
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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10-07-2020, 04:48 PM
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#9
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Senior Member
Join Date: Sep 2020
Location: Halls
Posts: 219
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Quote:
Originally Posted by wiredgeorge
Perhaps if you added a signature to your query by clicking the UserCP tab at the top of the page and put your year, make and model along with the same for your tow vehicle, these questions would have more context. Not sure Keystone ever used cardboard under a camper.
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I thought I had done that don't know why it's not showing up. Keystone Laredo 329RE.
Thanks for the other replies. Going to look at that link.
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10-07-2020, 04:57 PM
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#10
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Senior Member
Join Date: Jul 2019
Location: Palm Springs
Posts: 122
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10-07-2020, 05:33 PM
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#11
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Senior Member
Join Date: Oct 2019
Location: Central FL
Posts: 1,089
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Quote:
Originally Posted by sourdough
Chuck I know your post was to Chuckster but here is a link to scrim tape;
https://www.amazon.com/Surface-Shiel...a-569451568248
I've used the above with good success. Cleaned with a alcohol soaked cloth, let it dry, apply the tape and lightly run over it with a hair dryer to heat it up and help it bond - good stuff.
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I used Gorilla after a good wipe down with 99% IPA. Didn't think about the hair dryer... good idea. Just looked at the link, Danny. Sounds like that stuff would fix the darco issues under slides we hear about so much. Just cover it all with this and be done? haha... probably not that simple but with the statement on Amazon's site of "permanent" it made me think for a moment of the possibilities... Uh oh... there goes the brain again, thinking!
__________________
2023 Cougar HT 23MLE
2020 F250 XLT CC 6.2 4WD
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10-07-2020, 06:03 PM
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#12
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,688
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Quote:
Originally Posted by Bill-2020
I used Gorilla after a good wipe down with 99% IPA. Didn't think about the hair dryer... good idea. Just looked at the link, Danny. Sounds like that stuff would fix the darco issues under slides we hear about so much. Just cover it all with this and be done? haha... probably not that simple but with the statement on Amazon's site of "permanent" it made me think for a moment of the possibilities... Uh oh... there goes the brain again, thinking!
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It IS really good stuff but.....the darco, or the scrim tape if over it, then slides over the wear bar. For some reason on my last trailer the factory installed a 4" (6?) strip of scrim tape from the outside of the slide to the inside right down the middle of the slide..never saw it until it rolled up under the slide and caused it to bind. Finally got it all off and there wasn't a seam to be found anywhere....they just ran a strip across the bottom. All that to say that I'm not sure the wear bar will play nice with just a strip of tape or edges that might secrete a little adhesive when it got 100+.
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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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10-16-2020, 07:31 AM
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#13
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Junior Member
Join Date: Sep 2016
Location: Buzzards Bay
Posts: 23
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I used flex seal on mine. Make sure its aligned where you want it no second chance to correct.
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Dave
Nighthorse - 2020 F-450 CC DRW 6.7
Hitchhiker - 2020 Cougar 367FLS
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10-22-2020, 07:53 AM
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#14
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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Quote:
Originally Posted by Nankipoo
I've done the search and still confused on which tape to get. My underbelly is the cardboard type. There are two kinds of tape. Just wanting to make sure I get the correct one to tape back up the spot I cut to fix the black water valve.
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This is it. Note URL is for Canada, change it to .com for USA
https://www.amazon.ca/gp/product/B00...?ie=UTF8&psc=1
__________________
2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 6x180 watt solar
3,000 watt hybrid inverter with 120A charger
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10-22-2020, 08:48 AM
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#15
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Senior Member
Join Date: Sep 2020
Location: Halls
Posts: 219
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I ordered this from Amazon and installed it yesterday. Appears to be better than the flex seal or the gorilla tape I used. Time will tell. Wow that pic blurry.
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10-22-2020, 09:06 AM
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#16
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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That's what the factory and dealers use.
__________________
2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 6x180 watt solar
3,000 watt hybrid inverter with 120A charger
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10-22-2020, 09:15 AM
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#17
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Senior Member
Join Date: Aug 2020
Location: Keller
Posts: 258
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I used some 3m 6” tape very similar to the gorilla tape from HD. It says it is permanent an you better believe it. Tried to get a small piece back off. Not happening. I pre cut my pieces and laid mine in the Texas sun for a couple minutes. It was HOT when I applied it., Lol
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10-22-2020, 07:06 PM
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#18
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Senior Member
Join Date: Sep 2019
Location: Jacksonville
Posts: 538
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Quote:
Originally Posted by Nankipoo
I've done the search and still confused on which tape to get. My underbelly is the cardboard type. There are two kinds of tape. Just wanting to make sure I get the correct one to tape back up the spot I cut to fix the black water valve.
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2” or 3” “Gorilla” Tape not Duck or Duct Tape.
I use the black Gorilla Tape.
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10-23-2020, 06:16 AM
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#19
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,995
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SCRIM tape, https://www.amazon.com/Mobile-Flex-P...3461861&sr=8-8 is the correct tape to use under the slide. It's much thinner than Gorilla Tape, has a completely different adhesive, won't "leach glue" to the surface or the edges (like other tapes) and prevents the "gummy residue" that fouls the slide function.
In my way of thinking about it, we all "complain about HF tools being so cheap" and then "slap anything that sticks" on the bottom of our slides, as long as it "works"....
I'm not preaching (at least that's not my intention) but using Gorilla Tape, Flex Seal tape or EternaBond tape on the bottom of a slide, especially a cable operated slide, could very likely lead to having to remove that slide, replace the bottom DARCO and the wear bar, some of which are no longer available.
SCRIM tape sticks best when the adhesive is warm, so applying it to any surface when the ambient temperature is less than about 70F will not produce a good result. If you have to apply it in cooler temperatures, use a hair dryer (set on low) to warm the tape after it's in place, then use a paint roller to apply even pressure over the surface while the tape is warm, that will complete the application.
If your DARCO is damaged beyond what a 4" or 6" strip of SCRIM tape will repair, you can replace the entire fabric (not the best way to do it) by removing the entire section of fabric and replacing it, using a quality spray contact adhesive to adhere it to the slide subfloor. The fabric is sold in 4'x14' sections for about $15. https://www.amazon.com/Mobile-Flex-B...MH52JJZDNET2X1
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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10-23-2020, 10:39 AM
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#20
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Junior Member
Join Date: Mar 2019
Location: Oakland Township
Posts: 27
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Good Tape
I used this tape for repairs this summer.
https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1
I actually had to replace some tape that was coming off that my dealer had installed when they did some work.
I cleaned the underside as well as I could with a car wash wand then wiped the specific areas with denatured alcohol before applying the tape. I smoothed it with as much pressure as I could apply without deforming the coroplast and none of it has come loose since.
To be frank, I honestly believe all of the tapes mentioned by all of the posters will work if the surface is properly cleaned and the tape is "wetted out." Cleanliness is the biggest factor in any adhesive working as designed.
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