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-   -   Is there anything to prevent water from going into door? Weatherstripping? (http://www.hotrodders.com/forum/there-anything-prevent-water-going-into-door-weatherstripping-220909.html)

jsm1847 06-23-2012 07:48 PM

Is there anything to prevent water from going into door? Weatherstripping?
 
I'm repairing the doors on my 41 before paint. There is rust at the bottom of the door where water gets trapped running down the windows. Is there anything to prevent this?

mitmaks 06-23-2012 08:11 PM

You should epoxy inside doors after all the rust is removed. There should be drain holes on bottom of the doors. What happens sometimes is dirt/leaves block those holes and water accumulates there, rust starts to form.

MARTINSR 06-23-2012 10:47 PM

You need to remember there is literally no way to keep water from running down in the door. The rubbers are designed to "slow" the amount of water that gets down there but with any car, even up to 2012 there is no car that has a moving window that doesn't have some water get in there, that is why the moister shields are behind the door panels, because SOME water is GOING to get in there. Every single car has a little water get in, so every single car has drain holes where the water gets out. Some have little "valves" a rubber flap so the water can get out with nothing going back in. But they ALL have a drain at the bottom for the water to get out.

As mentioned in the previous post you need to think more about cleaning up the inside of the door of rust and debris and epoxy prime it, and clear out the drains. You could also seam seal it at the bottom LEAVING the drain holes open of course so the water doesn't get into the seam. But usually liberally applying epoxy primer will also do that.

And by the way, many early cars that Chevy being one of them have a sound deadening material stuck to the inside skin, a felt or tar sheet that is glued to the skin. I have seen these retain water where the panel rusted out right in the middle of the door! This is very uncommon as they will rust out at the bottom where the inner shell meets the skin a million to one in the middle of the door being there is nothing to trap the moisture up in the middle of the door.....except for that darn sound deadening material.

So think about removing it too and replacing it with some spray in once you get that metal nice and clean and epoxy primed.

Brian

MARTINSR 06-23-2012 10:57 PM

A particular car I worked on just popped in my head. It was a 2008 or so Pontiac Grand Prix. I had put a new door on it and did a water check and looked inside to see water POURING Into the interior on the seat and carpet. I mean POURING in there! I didn't have the door panel or moisture shield on but couldn't believe that the water would be POURING in there as it was. Every car I had ever worked on the "moisture shield" was just that, for "moisture" so the back of the door panel wouldn't be subjected to mildew from the water in the door, but it wasn't designed for actual water to be hitting it, it was a wax paper material with a little glue around the edges, certainly not water tight.
Well all this changed for me with this Pontiac. I pulled the other door panel off to see what the heck it was I did wrong and where was this water coming in. I did a water test on the other side with the door panel off but not the moisture shield. The water was HITTING this moisture shield like a water hose was being sprayed on it! The water then ran down the shield into the bottom of the doors and out the drain holes designed into the doors by the manufacturer.

This "moisture shield" was a thick plastic and it was held to the door with butyl tape, the same material that windows are sealed on many cars. This "moisture shield" was literally a water tight shield to keep water out of the car!

Brian

Chevymon 06-24-2012 01:24 AM

Quote:

Originally Posted by MARTINSR

And by the way, many early cars that Chevy being one of them have a sound deadening material stuck to the inside skin, a felt or tar sheet that is glued to the skin. Brian

Quite often there will small pieces of this material blocking the drain holes.

bullheimer 07-07-2012 11:35 AM

thats why i use at least a 1/4" drill bit when i drill one. same goes with the front and back of my running boards or anywhere else. currently drilled a couple holes right the the floor, carpet and all, of my jeep cherokee. somehow water dumps onto the floormat (just above it) when it rains. i think it comes in from the cracked windsheild. i think i used a 3/8's bit. 3/8's would be better for the bottoms of doors too.

eloc431962 07-07-2012 11:37 AM

Quote:

Originally Posted by bullheimer (Post 1571642)
thats why i use at least a 1/4" drill bit when i drill one. same goes with the front and back of my running boards or anywhere else. currently drilled a couple holes right the the floor, carpet and all, of my jeep cherokee. somehow water dumps onto the floormat (just above it) when it rains. i think it comes in from the cracked windsheild. i think i used a 3/8's bit. 3/8's would be better for the bottoms of doors too.

X2 Bull i do this all the time also.:thumbup:



Cole
:pimp:


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