Sealant?

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Dec 16, 2007 | 03:03 PM

vetteflsurfer

Thread Starter

Instructor

Joined: Feb 2006

Posts: 218

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From: Miami Fl

Sealant?

When I was working on my car's semi restoration over the summer I took off some of the sealant that was cracked and old that were over the windshield wiper mounts.

I have a little bit of water coming in from there I think, just a few drops. I want to reseal that whole area with some new sealant.

Is there any spray can products that are sealants? Most of the sealant in that whole area below the windshield is old and cracked. What should I replace that with? My car is not original and don't need an OEM look.

Thanks guys.

Paul

Dec 16, 2007 | 06:01 PM

Alan 71

Team Owner

Joined: Sep 2006

Posts: 31,202

Likes: 4,287

From: Westminster Maryland

I believe people have suggested using roofing patch from the home supply store. Honest, that's what I remember.
Regards,
Alan

Dec 16, 2007 | 06:41 PM

70ZZ3 96LT4

Burning Brakes

Joined: Oct 2001

Posts: 911

Likes: 5

From: TN

Rubber type

I am going to use rubberized under coating by mar-hyde that I have bought at WAL-MART. Don't know if they still sell it, but should be available at auto stores. My 70 needs a touch up since it also has the cracks in the old factory applied stuff. Have not done it yet, but it is on my to do list. I have used the mar-hyde to do some touch up on the flat rubber roof of my houses front porch where a similiar stuff had cracks where the flat rubbber roof meets the house. I applied it and then went back a couple days later to layer it on. It worked on this leak. When I do spray my 70 I will do the same apply a complete covering, let it set up and apply more to fill in the cracks. I have the wiper door and grille off, just need to get motivated.

Dec 17, 2007 | 08:03 AM

Jud Chapin

Race Director

Joined: Sep 2001

Posts: 10,560

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From: Wellington, FL

St. Jude Donor '11 thru '25

I would use either seam sealer or an RTV product and then just apply it to the leaking source.

Dec 17, 2007 | 01:50 PM

75 Hot One

Pro

Joined: Mar 2001

Posts: 633

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From: Hamilton, ON, Canada

I've used asphalt undercoating in that area. I find that the ordinary asphalt performs & adheres better than the rubberized stuff. Maybe it depends on the brand. A few coats may be required because the material can be fairly thin coming out of the can.

Dec 17, 2007 | 02:00 PM

Scott Marzahl

Le Mans Master

Joined: Apr 2005

Posts: 6,347

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From: Seattle Area WA

If you want to use a caulk tube type sealant, this PL sealant does the trick.

http://www.stickwithpl.com/Products....ashing-Sealant

Dec 17, 2007 | 06:00 PM

7T1vette

Team Owner

Joined: Jan 2006

Posts: 37,637

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From: Crossville TN

You want to get Butyl rubber caulking. It is black and really, sticky stuff. But it will last a LOOONNNGGG time...even in the sun. It is what the factory used and is a much better choice than silicone. You can find butyl caulk at Lowe's or Home Depot in the tube caulk section. Be sure to clean the surfaces you are going to seal. Also, don't try to move it around much to have it look good...you'll only make a mess. Just put a bead down over the areas you want to seal, then let it flow out on its own.

Dec 17, 2007 | 08:14 PM

L82shark

Drifting

Joined: Oct 2007

Posts: 1,458

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From: Collinsville MS

St. Jude Donor '08

3M Brushable seam sealer. You just brush it on like paint, let it cure and spray over it with undercoating or paint, whatever tickles you. Just make sure its clean as you can get it. It will run down into cracks or crevices and fill them back smooth. Dont have to worry about the overspray either.