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Old 07-05-2019, 04:55 AM   #1
mcguyver
 
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Default TRIM SEALING

Whats everyones thoughts about trim sealing?
Necessary here in Aus or not. I am thinking about Raptor coating my lower sills, so might do it it at the same time.
Seems easy enough.

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Old 07-05-2019, 11:24 AM   #2
Sockeye770
 
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Default Re: TRIM SEALING

For a 10+ year old van, the factory stick on covers for the large holes could have deteriorated for water to leak in.
The factory plastic trim clips will have hardened and may no longer provide a good seal against the panel.

However, removing the trims for the sake of it, could create the start of new leaks, and rust when using a metal screw driver to prise them off.
I'm not a big fan of using sikaflex on items that you might have to remove again for other unforeseen reasons.

For those of us that are building a camper van, check the big hole covers for signs of water leakage from the inside. If no sign of water leakage, apply an extra sealant from the inside.
If you do remove the external trims, consider purchasing new plastic trim clips or use the old windscreen mastic sealant instead of silicon sealant. Sikaflex/silicon sealants are a real buggar to remove in the future, when needed too.
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Old 07-05-2019, 05:35 PM   #3
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Default Re: TRIM SEALING

Quote:
Originally Posted by mcguyver View Post
Whats everyones thoughts about trim sealing?
Necessary here in Aus or not. I am thinking about Raptor coating my lower sills, so might do it it at the same time.
Seems easy enough.

Appears to be a good corrosion prevention measure. I wouldn't use a metal screw driver for cryin out loud!!! At least cover it with electrical tape or similar. Large paint stirring sticks squared and beveled at one end make excellent non-marring pry tool and scraper. I would also apply a good coat of Caruba wax. Maybe even a couple of coats!

I would employ a different method of covering the hole. A solid grommet similar used to close-out frame rails, install with a dab of Silkiflex or similar.

Every time I go to Home Depot or Lowe's, I'll grab me a handful of free paint sticks and planned on building a house with them. However, they are no longer free.
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Last edited by Bobnoxious; 07-05-2019 at 05:48 PM.
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Old 07-06-2019, 08:06 AM   #4
Eric Experience
 
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Default Re: TRIM SEALING

This turkey is describing a very useless job. The water cumming in from the clips at the back of the trim is minuscule, Most of the water flowing into the sills is condensation from inside the roof and walls, drain holes are provided in the sills for this reason, that is why it is important to keep you drain holes open. A major error is to spray insulating material into the wall cavity which can block the drain holes. Eric.
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Old 07-06-2019, 09:51 AM   #5
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Default Re: TRIM SEALING

Over all, I think Eric has summed up the possible situation quite well.
I like the rubber/plastic grommet idea, but only if you had to take the trim off for another reason.
I'm still adamant in not using sikaflex on items that you might have to remove again for other unforeseen reasons.

I have not seen or heard of this problem happening in Aus.
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