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Caulking Around Windows

Jay_Pat
Explorer
Explorer
I was checking out the caulking/seals around doors, windows, lights, etc. on all 4 sides of the rv. I'll check the roof tomorrow.

I found the sealing material that goes between the windows and the exterior wall is starting to crack, above several windows.

I'm planning to use a small bead of silicon caulking to reseal. The silicon around other exterior parts is holding up very well.

My trailer is about 3 1/2 years old and is parked under a rv port. The back end is open to the elements and sunshine.

Posting this to remind everyone to check all your seals.
Pat
2010 Ford F-350 SRW
2021 Grand Design Reflection 315
12 REPLIES 12

MTPockets1
Explorer
Explorer
Pool wrote:
I like the pro flex dries quick and durable. Need heavy cleaner to remove from fingers.
. I use it wearing rubber glove, and spray finger with windex. Pro flex works well but very sticky - good for sealing, but not so easy to work with.
2012 3055RL Big Horn - Dexter upgraded axles - G rated LT Tires
MorRyde, Genset, Dual Panes, 2 A/C, Yeti Package
2013 F350 DRW 4x4 Crew King Ranch

Jay_Pat
Explorer
Explorer
Thanks everyone for the info.
I'm taking it all in!!
Pat
2010 Ford F-350 SRW
2021 Grand Design Reflection 315

golf_bears
Explorer
Explorer
I just got done doing my RV exterior seams and windows where needed. Used Pro-Flex brushable from GeoCel. I apply masking tape to both sides of seam and use a paintbrush to apply the caulk. Works like a charm, easy on, no smearing and no cleanup.

Bought the Pro-Flex on Amazon.

Pool
Explorer
Explorer
I like the pro flex dries quick and durable. Need heavy cleaner to remove from fingers.

WoodGlue
Explorer
Explorer
If I were you, I'd order some GeoCel from Amazon.com or Tweetys or even PPL.

WoodGlue
2002 Land Rover Discovery II
2014 Lance 1685 - Loaded - 4 Seasons - Solar - 2 AGM's
When Hell Freezes Over - I'll Camp There Too!
Lance Travel Trailer Info - Lance 1685 Travel Trailer - Lance 1575 Trailer

rvrev2
Explorer
Explorer
I don't have an RV store near me, so I would need to order by mail or find something in my local hardware store. Would Acrylic caulking work?
2002 NuWa HitchHiker II 31 FKTG
2005 Chevy 2500 HD, crew cab, long bed
B&W Companion Fifth Wheel Hitch

WoodGlue
Explorer
Explorer
Some GeoCel caulking should do the trick!

WoodGlue
2002 Land Rover Discovery II
2014 Lance 1685 - Loaded - 4 Seasons - Solar - 2 AGM's
When Hell Freezes Over - I'll Camp There Too!
Lance Travel Trailer Info - Lance 1685 Travel Trailer - Lance 1575 Trailer

HJGyswyt
Explorer
Explorer
Times three for not using silicone. It just makes me cry when I see where people take what they have on the shelf in garage or the home improvement store and use it on their RV's.

I'm just now in the process of repairing two older RV's side by side myself. And I'm a firm believer in using the right product and the right color to keep it looking nice.

If I'm not pulling out the window (a huge undertaking) and replacing the Butyl Tape, only resealing it from the outside, then carefully use a putty knife to clean out the old sealant that is weathered and replace it with Dicor.

Another sealant I'm a big fan of is Sikaflex 221 and it can be found at most RV shops as well as Camping World. It is super strong, works like epoxy in terms of strength, and stays nice for many years of exposure.

Silicone attracts dirt, discolors over time, and is huge mess to clean off surfaces down the road when more sealing needs to be done. Good luck with your project. All the best, Hans
2003 GMC 2500HD CC Longbox SW/2002 Wilcat Bunkhouse 30'
/1987 Western Wildderness 11' Alpine Truck Camper/1971 MacGregor Venture Sailboat

Rig Pictures, click on this link.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Jay_Pat
Explorer
Explorer
Old-Biscuit wrote:
donn0128 wrote:
Silicone is a major NO NO!!!!
Get a tube of Dicor for vertical surfaces and use that.


X2

Silicone has no good use when it comes to RV exteriors.

Silicone will NOT even stick to itself without completely removing it and then removing the residue with a silicone remover (solvent).
So don't use silicone.

Use the Dicor non-leveling caulking
OR
ProFlex caulking


Ok. Thanks for the explanation. No silicone.
Pat
2010 Ford F-350 SRW
2021 Grand Design Reflection 315

Old-Biscuit
Explorer III
Explorer III
donn0128 wrote:
Silicone is a major NO NO!!!!
Get a tube of Dicor for vertical surfaces and use that.


X2

Silicone has no good use when it comes to RV exteriors.

Silicone will NOT even stick to itself without completely removing it and then removing the residue with a silicone remover (solvent).
So don't use silicone.

Use the Dicor non-leveling caulking
OR
ProFlex caulking
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

Jay_Pat
Explorer
Explorer
donn0128 wrote:
Silicone is a major NO NO!!!!
Get a tube of Dicor for vertical surfaces and use that.


Thanks, I'll take a look at Dicor for the vertical surfaces.
What is issue using silicone in this area?
Pat
2010 Ford F-350 SRW
2021 Grand Design Reflection 315

donn0128
Explorer II
Explorer II
Silicone is a major NO NO!!!!
Get a tube of Dicor for vertical surfaces and use that.