Topic: Sealing under the Stanless and Potmetal Trim Piece


RAK402    -- 06-24-2022 @ 4:16 PM
  Should I apply some sort of sealant to the holes in the body, doors, etc. where the stainless steel trim pieces clip on, the hood ornament/latch, trunk handle, etc. is installed?

I think they used to use something called "dum dum" to do it back in the 40's (my father told me about it). I don't want water from washing the car or rain to get into the doors and ruin the panels and upholstery.

This is for a 1940 Deluxe Sedan.


kubes40    -- 06-25-2022 @ 6:29 AM
  After the trim was installed, Ford placed a small amount of body sealer on the back side, prior to upholstery.
If that's not an option for you, I don't believe you have any good alternatives.
Keep silicone sealer away from your paint!

Mike "Kube" Kubarth


trjford8    -- 06-25-2022 @ 6:54 AM
  3M still makes dum-dum and it's call strip caulk. You can probably get it from Amazon or on e-Bay. Alternatives are 3M Heavy Duty Drip check sealer (comes in a tube) or 3M Window Weld which is used to seal windshields on modern cars (comes in a roll). As Mike has advised stay away from any type of silicone sealer. When I seal the trim I put it on the back side around the clips where they stick through the metal body.

This message was edited by trjford8 on 6-25-22 @ 6:58 AM


RAK402    -- 06-25-2022 @ 10:04 AM
  Thank you both for the replies.

The cars is very far apart right now, so applying sealer from the inside after I re-install the stainless trim should be relatively easy.

I will look into the Window Weld and Strip Caulk.


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