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05-22-2018, 06:46 AM
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#15
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Member
Join Date: Mar 2018
Location: Salisbury, Maryland
Posts: 51
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To add to Winemaker... I thought I had found (and sealed) mine - leaks on all four corners of the cap/roof joints. The LR joint was not secure ..of course, I found I had not done a good job ...inspecting it after a recent 3-5" rain event.
Jeez! ...a common cabinet maker or amateur boat builder would have devised a better joint?! I stuffed the void with 5mm wetsuit neoprene, then resealed with Eternabond, rather than caulk.
Jim
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05-22-2018, 07:25 AM
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#16
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Registered User
Join Date: Oct 2017
Posts: 4,985
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Wow, I think you have a structural issue there. I don't think caulk or eternabond will be a permanent solution for that gap. It looks like the corner needs to be secured and stabilized first.
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05-22-2018, 08:27 AM
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#17
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Senior Member
Join Date: Nov 2006
Location: Western NY
Posts: 6,150
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Wetstuff
I had some issues getting it sealed as well. Friends truck shop found the leak source w ultrasonic leak detector but hus caulk didnt seal completely. I dug it all out and resealed w 3M 5200 and never had a problem.
__________________
Don & Marge
'13 Newmar Ventana 3433 - '14 CR-V TOAD
'03 Winnebago Adventurer 31Y - SOLD
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05-23-2018, 08:06 AM
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#18
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Member
Join Date: Mar 2018
Location: Salisbury, Maryland
Posts: 51
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Grinder... a 'Structural' management and design dept. problem.
Winemaker... '5200' is what you use when you sentence something to death. I remember when lotsa people in the boat industry were using it - UNTIL - they discovered they needed to practically destroy the two pieces that had been joined. (in this case - probably a good idea! Yet, had I used 5200 - at a later date - it could introduce a crack in that thin roof.)
I will keep one good eye on the issue. I like the flexibility of both the neoprene and Flexibond.
Jim
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05-24-2018, 04:51 AM
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#19
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Senior Member
Join Date: Nov 2006
Location: Western NY
Posts: 6,150
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Quote:
Originally Posted by Wetstuff
Grinder... a 'Structural' management and design dept. problem.
Winemaker... '5200' is what you use when you sentence something to death. I remember when lotsa people in the boat industry were using it - UNTIL - they discovered they needed to practically destroy the two pieces that had been joined. (in this case - probably a good idea! Yet, had I used 5200 - at a later date - it could introduce a crack in that thin roof.)
I will keep one good eye on the issue. I like the flexibility of both the neoprene and Flexibond.
Jim
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I do agree... 5200 is permanent but I never planned or had to remove any of those pieces. Also didn't have any breakage... maybe just lucky.
I have seen a broken boat transom where owner tried to remove a swim platform w force vs cutting the 5200 free. Expensive mistake.
I have moved to 4200 or 4000 on several boat projects. My favorite has become butyl tape where possible.
__________________
Don & Marge
'13 Newmar Ventana 3433 - '14 CR-V TOAD
'03 Winnebago Adventurer 31Y - SOLD
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05-24-2018, 06:47 AM
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#20
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Moderator Emeritus
Monaco Owners Club Texas Boomers Club
Join Date: Nov 2015
Location: Central Texas
Posts: 13,426
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We got lucky when we bought our coach. I knew we wanted a fiberglass or aluminum roof, but I didn't really think about how the roof was attached to the end cap. Our Monaco has a one piece roof that fits over the top of the front and rear cap so the seam is vertical instead of horizontal and the top overlaps the side walls.
__________________
Dennis and Katherine
2000 Monaco Dynasty
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05-27-2018, 05:17 PM
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#21
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Member
Tiffin Owners Club
Join Date: Dec 2011
Location: NORMAN PARK,GA
Posts: 35
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TPO roof
Quote:
Originally Posted by AF Guy
Good morning from a newbie! Looking at finally purchasing our first Class A. Question...fiberglass roof or TPO roof??? We have it narrowed down to Tiffin and Holiday Rambler. Tiffin has fiberglass roof and the Holiday Rambler has a TPO.
Any info and personal experience would be much appreciated.
Thank you!
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I have a TPO roof on a 2009 Fleetwood Expedition. I called the TPO company, they said clean with Murphy's Oil soap. I clean it once a year using this. I clean it one time with a Murphy's oil and water solution to get off the dirt, then I wash it again with the same solution and it leaves a wax film or coating on it. I have 67,000 miles on the coach and do keep it under shelter when not in use.
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05-27-2018, 05:37 PM
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#22
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by barmcd
We got lucky when we bought our coach. I knew we wanted a fiberglass or aluminum roof, but I didn't really think about how the roof was attached to the end cap. Our Monaco has a one piece roof that fits over the top of the front and rear cap so the seam is vertical instead of horizontal and the top overlaps the side walls.
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And my CC is solid, no joints anywhere between the front, the roof or rear. Appears to be one solid piece, no joint down the stairs middle either. 45' long too.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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10-10-2020, 06:18 AM
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#23
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Senior Member
Join Date: May 2017
Location: Metamora, MI
Posts: 5,525
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That's not a "structural" issue. That's a fit problem. They pulled the top too tight on the edges before they screwed it down. Not a whole lot you can do at this point other than close up the gap. I probably would clean the joint, put blue masking tape on both sides of the gap, put some fiberglass / resin in the joint. A few hours later, do a quick sand with 100 grit sandpaper to roughen it up a bit. Cover with eternabond to ensure a good seal. That won't cause any problems other than it looks a little funny.
__________________
2002 Newmar Mountain Aire Limited 4370 w/ Spartan K2 and Cummins 500hp
ASE Master Certified (a long.....time ago...)
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10-14-2020, 04:26 PM
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#24
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Senior Member
Join Date: Apr 2013
Location: Tallahassee, Florida
Posts: 200
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I have seen many RVs driving down the road with the roof blown up like a balloon. I don't know if its brite tek or TPO or what membrane, but apparently the glue underneath can fail.
I would guess that could happen with glass too, but I think its far less likley.
__________________
2017 Thor Windsport 34J -The Hammer
2021 Jeep Wrangler Unlimited 80th Anniversary- Toad
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10-14-2020, 08:24 PM
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#25
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Senior Member
Join Date: Jun 2016
Location: SW Louisiana
Posts: 8,957
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Just pointing out this thread is 2.5 years old
__________________
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates
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10-15-2020, 06:55 AM
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#26
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Senior Member
Join Date: May 2017
Location: Metamora, MI
Posts: 5,525
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ah, didn't notice the dates....well it would be interesting if the OP responded and gave us a long term update on what they did and how it worked out 
__________________
2002 Newmar Mountain Aire Limited 4370 w/ Spartan K2 and Cummins 500hp
ASE Master Certified (a long.....time ago...)
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10-15-2020, 02:24 PM
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#27
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Senior Member
Join Date: Mar 2019
Posts: 5,702
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Quote:
Originally Posted by Dav L
ah, didn't notice the dates....well it would be interesting if the OP responded and gave us a long term update on what they did and how it worked out |
Sometimes you can have it both ways. These folks remove a Georgetown fiberglass roof and replace it with TPO. They also do several improvements to the penetrations, which probably makes all of the real difference.
I used to work for a company that manufactured commercial TPO roofing. As long as it was installed correctly, a big "if", TPO lasts a long time.
Ray
__________________
2020 Forest River Georgetown GT5 34H5
2020 Equinox Premier AWD 2.0L/9-speed
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10-16-2020, 08:06 PM
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#28
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Member
Thor Owners Club
Join Date: Oct 2012
Location: Celina, Tx
Posts: 38
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Quote:
Originally Posted by AF Guy
Good morning from a newbie! Looking at finally purchasing our first Class A. Question...fiberglass roof or TPO roof??? We have it narrowed down to Tiffin and Holiday Rambler. Tiffin has fiberglass roof and the Holiday Rambler has a TPO.
Any info and personal experience would be much appreciated.
Thank you!
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Tiffin for many reasons with the roof being a small one. Fiberglass will hold better from things such as small tree limbs etc.
Tiffin is a family owned company and cannot, I repeat cannot be beat with customer service and quality.
We have several brands of fifth wheels and class A rigs including an Allegro Open RED and Tiffin is just hands down a marvelous company.
__________________
Beryl and Donna Christian
Celina, TX
:greetings10
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