Jayco RV Owners Forum
 


Reply
 
Thread Tools Display Modes
 
Old 07-10-2015, 07:43 AM   #1
Senior Member
 
Join Date: May 2013
Posts: 924
Touched up my roof caulking... Curing question

I saw that the caulking on the front seam of my roof was starting to show signs of cracking, so after washing the whole roof with a mild soap and water (using a hand scrub brush on a 30' trailer... yeah.) I used some mineral spirits on a rag and cleaned the dirt off the old stuff. It's amazing how well that stuff works to cut through that dirt - it made the old stuff bright white again. I made sure to not get much of it on the roof membrane itself either.

I used 2 tubes of Dicor Self Leveling LAP sealant which was just enough. If you are planning on doing this same job, leaving the old stuff on and adding to it, get 2 tubes minimum. If you plan on scraping it all off and starting clean, get 3 or 4. I decided to leave the old stuff on this time since it's the factory sealant, and next time I'll scrape it all off and start fresh, or maybe Eternabond...

I applied the caulking around 4-5pm on a hot and sunny afternoon and then left it overnight, however we had a bit of dew develop overnight and I'm sure there's a small bit of water up on it. Will this be ok for the curing?
__________________

SkyBound is offline   Reply With Quote
Old 07-10-2015, 07:58 AM   #2
Senior Member
 
TWP723's Avatar
 
Join Date: Mar 2015
Location: Abingdon
Posts: 3,601
Should be. I'm sure it skinned over before the dew set in. Even if it does have dew on it, don't disturb it. Let it dry. Trust me, it'll eventually cure.
__________________

__________________
2013 Jayco Eagle 328 RLTS
2013 Ford F350 6.7L 4x4 CCLB
W/Air Lift air bags (front & rear)
Equal-I-Zerô WDH
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)
TWP723 is offline   Reply With Quote
Old 07-10-2015, 08:07 AM   #3
Senior Member
 
Scoutr2's Avatar
 
Join Date: Mar 2015
Location: Bartonville
Posts: 509
It will be fine. Once the outer skin is cured, the moisture will not penetrate it. Just give it 24-48 hours to cure completely before moving the trailer. There will always be a bit of twisting and bending between the roof and the front/side panels when a trailer bounces down the road. I heard it stated on another forum that when your trailer travels down a typical highway, it is akin to your house enduring a 3.0 magnitude earthquake.

The most important things when caulking are to make sure the surfaces are clean, dry, and the temperature is above 60 degrees. Then let it cure.
__________________

Scoutr2 (Mike)
2015 Jay Flight 32RLDS Elite
2012 Chevy 2500HD Crew Cab LTZ (6.6L Duramax/Allison)
Equalizer Hitch (1200# bars)
Scoutr2 is offline   Reply With Quote
Old 07-10-2015, 09:41 AM   #4
Senior Member
 
VicS1950's Avatar
 
Join Date: Apr 2013
Posts: 517
I agree that the water will not be a problem. It is a problem with water based sealants, but not with petroleum based sealants. As long as the water is not strong enough to physically disturb and move the sealant or create a deep puddle all will be fine. I've seen sealant repairs which were not skinned over end up with tiny craters from rain. The bond of the sealant was unaffected.

vic
VicS1950 is offline   Reply With Quote
Old 07-10-2015, 11:08 AM   #5
Senior Member
 
Join Date: May 2013
Posts: 924
Very good, thanks guys. It's going to be hot and sunny here for the next several days so it should have good curing time and conditions.

I used the Dicor 501 or 502? self leveling sealant, it's all that's available around here. From what I've read it should be fine for my roof which I believe to be Alpha Ply.
__________________
2013 F-150 EcoBoost MaxTow, Roush tuned (415hp 506tq), lifted on 33s, R.A.S.
2013 Jay Flight 28BHS Elite (Equalizer 10K hitch)
SkyBound is offline   Reply With Quote
Old 07-10-2015, 12:03 PM   #6
Senior Member
 
Join Date: Apr 2014
Location: Calgary
Posts: 796
I used 502-LSW Self Leveling Sealant recently on my 2014 281BHS. Probably the same roof as you. So far so good.
__________________
2014 Jayco Swift 281BHS, 300W Solar!
2015 F250 XLT 4x4 Crew Cab, Short box, 6.2 gas
Subaru297 is offline   Reply With Quote
Old 07-11-2015, 07:36 AM   #7
Senior Member
 
Join Date: May 2013
Posts: 924
Have any of you experienced the rubber roof wrinkling in the area that the sealant was applied? There was a disclaimer on the tube saying that with some TPO roofs this may happen and that it's normal and won't affect the durability of the roof/seal.

Others have said that this will go away with time once the sealant is finished curing...

I can't help but feel like I've done something wrong here.
__________________
2013 F-150 EcoBoost MaxTow, Roush tuned (415hp 506tq), lifted on 33s, R.A.S.
2013 Jay Flight 28BHS Elite (Equalizer 10K hitch)
SkyBound is offline   Reply With Quote
Old 07-11-2015, 07:44 AM   #8
Senior Member
 
TWP723's Avatar
 
Join Date: Mar 2015
Location: Abingdon
Posts: 3,601
From what I understand, it will eventually go away after full cure. But why would the product cause this? Is it 'pulling' or 'pushing' the roof material? Just seems strange. I'd take pictures to..just in case.
__________________
2013 Jayco Eagle 328 RLTS
2013 Ford F350 6.7L 4x4 CCLB
W/Air Lift air bags (front & rear)
Equal-I-Zerô WDH
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)
TWP723 is offline   Reply With Quote
Old 07-11-2015, 07:52 AM   #9
Senior Member
 
Join Date: May 2013
Posts: 924
It's not pulling or pushing on the material at all. It was perfectly flat when it was applied. From what I've read it is due to the petroleum distillates in the caulk which, from what I understand, evaporates/disappears after curing is complete.

After all the reading and browsing and hassle of trying to find the right sealant for my roof, I almost wish I didn't have this Alpha Systems roof material. It seems like a very unsupported product with conflicting information and very little maintenance products on the market. I still don't know of anywhere in Canada that sells their brand of sealant.
__________________
2013 F-150 EcoBoost MaxTow, Roush tuned (415hp 506tq), lifted on 33s, R.A.S.
2013 Jay Flight 28BHS Elite (Equalizer 10K hitch)
SkyBound is offline   Reply With Quote
Old 07-11-2015, 08:19 AM   #10
Senior Member
 
TWP723's Avatar
 
Join Date: Mar 2015
Location: Abingdon
Posts: 3,601
That's strange. How about Amazon??
__________________

__________________
2013 Jayco Eagle 328 RLTS
2013 Ford F350 6.7L 4x4 CCLB
W/Air Lift air bags (front & rear)
Equal-I-Zerô WDH
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)
TWP723 is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Virginia State Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3

All times are GMT -6. The time now is 10:25 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Copyright 2002-2016 Social Knowledge, LLC All Rights Reserved.