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Old 06-10-2019, 03:38 PM   #1
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Window seals disintegrating!

2015 Palomino Puma 32DBKS:
All exterior windows have missing pieces of window seals. Can I use clear silicon cualk to fill the voids?
Should I be applying anything to these seals to prevent any further damage?
Thanks in advance for any replies!Click image for larger version

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Old 06-10-2019, 03:48 PM   #2
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Looks like the plastic trim pieces shrunk. You may be able to find new or just fill the gaps with Dicore. They have different types. Maybe window glass putty would work.
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Old 06-10-2019, 04:18 PM   #3
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Originally Posted by A32Deuce View Post
Looks like the plastic trim pieces shrunk. You may be able to find new or just fill the gaps with Dicore. They have different types. Maybe window glass putty would work.
Thanks, so these are the plastic trim and not seals?
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Old 06-10-2019, 04:21 PM   #4
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That's what they look like to me. They are hard, correct? It just looks like the soft plastic shrunk.
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Old 06-10-2019, 04:30 PM   #5
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The seals are made of PVC which will shrink and harden over time. The corners are originally sealed with an acrylic seam sealer but that will be difficult to find retail. A black RTV silicone will work well.
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Old 06-10-2019, 06:25 PM   #6
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Quote:
Originally Posted by A32Deuce View Post
That's what they look like to me. They are hard, correct? It just looks like the soft plastic shrunk.
Yes, they are hard, and my wife said the same thing, they shrunk.
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Old 06-10-2019, 06:27 PM   #7
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Quote:
Originally Posted by woo10-210 View Post
The seals are made of PVC which will shrink and harden over time. The corners are originally sealed with an acrylic seam sealer but that will be difficult to find retail. A black RTV silicone will work well.
Thank you, I am looking for DICOR in black, but on Amazon all they appear to have is white.
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Old 06-10-2019, 06:29 PM   #8
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You could use black rtv. Just don't use it in place of Dicor anywhere else on your rv.
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Old 06-10-2019, 06:38 PM   #9
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Quote:
Originally Posted by woo10-210 View Post
The seals are made of PVC which will shrink and harden over time. The corners are originally sealed with an acrylic seam sealer but that will be difficult to find retail. A black RTV silicone will work well.
UPDATE:

I just found the Black RTV on Amazon. Thanks.

Should I be applying anything to the seals/trim to help prevent this form happening?
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Old 06-10-2019, 06:52 PM   #10
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Originally Posted by Bilcin View Post
UPDATE:

I just found the Black RTV on Amazon. Thanks.

Should I be applying anything to the seals/trim to help prevent this form happening?
Good on the RTV. You don't want to use something like Dicor that doesn't cure semi-firm. Maybe use some 303 Protectant on the surfaces after the silicone cures to block the UV from degrading the surfaces any more than it already has.

You may want to check with Pelland Enterprises to see if they have replacement drop glaze seals.
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Old 06-11-2019, 08:54 AM   #11
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Originally Posted by woo10-210 View Post
Good on the RTV. You don't want to use something like Dicor that doesn't cure semi-firm. Maybe use some 303 Protectant on the surfaces after the silicone cures to block the UV from degrading the surfaces any more than it already has.

You may want to check with Pelland Enterprises to see if they have replacement drop glaze seals.
Hey, thank you so much for the suggestions and info!!!!!
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Old 06-11-2019, 11:01 AM   #12
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I used pro flex rv sealant for those exact spots. Doesn’t dry completely hard and still flex’s with movement. It comes in black. Highly rated.


Never use silicone anywhere on your rv.
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Old 06-11-2019, 11:21 AM   #13
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Originally Posted by Csvt18 View Post
I used pro flex rv sealant for those exact spots. Doesn’t dry completely hard and still flex’s with movement. It comes in black. Highly rated.


Never use silicone anywhere on your rv.
Thank you for your reply!
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Old 06-11-2019, 12:25 PM   #14
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Originally Posted by Csvt18 View Post
I used pro flex rv sealant for those exact spots. Doesn’t dry completely hard and still flex’s with movement. It comes in black. Highly rated.

Never use silicone anywhere on your rv.
Why not? Please explain.
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Old 06-11-2019, 12:28 PM   #15
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FYI, Puma factory uses TremPro 645 clear sealant for verticals and Dicor white lap for the roofs.



According to the TremPro manufacture engineer it will stick to its self if clean.
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Old 06-11-2019, 12:33 PM   #16
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You can get black urethane caulk at Home Depot which will also work. In some instances urethane will stick better than RTV silicone.
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Old 06-11-2019, 12:34 PM   #17
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Because imo silicone is less than good for rvs. Nothing will adhere to it. Maybe for applications inside the rv but I don’t use it outside. There’s so many other superior products.
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Old 06-11-2019, 12:52 PM   #18
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Because imo silicone is less than good for rvs. Nothing will adhere to it. Maybe for applications inside the rv but I don’t use it outside. There’s so many other superior products.
While I agree that Pro Flex RV is an excellent material for general sealing of RV joints, it's not readily available. I'm also not recommending using RTV silicone for a general RV sealant either. I'm only recommending to use RTV to seal the drop glaze seals on the windows, nothing more. It's available at any hardware store and has excellent adhesion to the powder-coated aluminum window frames and PVC drop glaze seals.

As KyDan recommended, urethane can also be used and is readily available.
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Old 06-11-2019, 02:35 PM   #19
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Originally Posted by woo10-210 View Post
While I agree that Pro Flex RV is an excellent material for general sealing of RV joints, it's not readily available. I'm also not recommending using RTV silicone for a general RV sealant either. I'm only recommending to use RTV to seal the drop glaze seals on the windows, nothing more. It's available at any hardware store and has excellent adhesion to the powder-coated aluminum window frames and PVC drop glaze seals.

As KyDan recommended, urethane can also be used and is readily available.
Can anyone tell me exactly what the shrunken material is? Is it a seal? Glazing? Someone mentioned that it is trim. I would like to replace it instead of doing small fixes that apparently will become a common theme as time goes on.
Thank you for your input.Click image for larger version

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Old 06-11-2019, 02:41 PM   #20
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The lumpy stuff is what ever the factory used. You could scrape most of that off and put fresh on it.
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