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Old 05-13-2020, 03:29 PM   #1
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Insulation in Fridge door


An old but excellent fridge at my cottage has developed a rusted out area at the bottom front of the main door. Looks like humidity and condensation from the inside has rusted through.
The hole on the door is about 3 inches long and an inch wide. Quite a gap. Strangely enough, there seems to be no insulation in the bottom area of the door and I wonder if any in the door at all.
On humid warm days water drips out on the floor and the rust will only get worse.

How can I seal this gap and prevent more condensation? I picked up a can of low expanding spray foam but it says not to use it in cavities and voids. would it be waterproof in any case or just make the door worse?

I also see automobile bondo suggested. thanks for any help
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Old 05-13-2020, 03:43 PM   #2
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Re: Insulation in Fridge door


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Originally Posted by CamperD View Post
An old but excellent fridge at my cottage has developed a rusted out area at the bottom front of the main door. Looks like humidity and condensation from the inside has rusted through.
The hole on the door is about 3 inches long and an inch wide. Quite a gap. Strangely enough, there seems to be no insulation in the bottom area of the door and I wonder if any in the door at all.
On humid warm days water drips out on the floor and the rust will only get worse.

How can I seal this gap and prevent more condensation? I picked up a can of low expanding spray foam but it says not to use it in cavities and voids. would it be waterproof in any case or just make the door worse?

I also see automobile bondo suggested. thanks for any help
Take the inside of the door off and fix the insulation problem. Just put some aluminum tape over the hole.
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Old 05-13-2020, 04:48 PM   #3
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Re: Insulation in Fridge door


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Originally Posted by Nealtw View Post
Take the inside of the door off and fix the insulation problem. Just put some aluminum tape over the hole.
taking the door apart is not an option, or at least a last ditch effort. I wanted to find a used door that would fit but with the covid-19 matter, I have not been out looking.
Like I said, the door never had insulation at the bottom in the first place. So if I want to seal the hole, what do you think would work best and be more moisture proof, in case. Low expanding spray foam or auto bondo? Once I fill the hole I will tape it over. Thanks!
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Old 05-13-2020, 04:53 PM   #4
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Re: Insulation in Fridge door


Quote:
Originally Posted by CamperD View Post
taking the door apart is not an option, or at least a last ditch effort. I wanted to find a used door that would fit but with the covid-19 matter, I have not been out looking.
Like I said, the door never had insulation at the bottom in the first place. So if I want to seal the hole, what do you think would work best and be more moisture proof, in case. Low expanding spray foam or auto bondo? Once I fill the hole I will tape it over. Thanks!
Why is is removing the liner not an option, older ones had 50 screws and new ones are just stuck on and you can use double sided tape if they don't stick.
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Do not use flat bottom gables with scissor trusses.
https://www.fema.gov/media-library-d...6/chapter7.pdf
figure 7-14
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Old 05-13-2020, 04:57 PM   #5
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Re: Insulation in Fridge door


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Why is is removing the liner not an option, older ones had 50 screws and new ones are just stuck on and you can use double sided tape if they don't stick.
this is a 40 year old fridge.....beer fridge at camp....i just want to seal the bottom without it getting worse.
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Old 05-13-2020, 05:00 PM   #6
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Re: Insulation in Fridge door


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Originally Posted by CamperD View Post
this is a 40 year old fridge.....beer fridge at camp....i just want to seal the bottom without it getting worse.
Just tape up all the holes so air can't get in there and all the dripping will be on the outside.
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Do not use flat bottom gables with scissor trusses.
https://www.fema.gov/media-library-d...6/chapter7.pdf
figure 7-14
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Old 05-14-2020, 07:21 AM   #7
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Re: Insulation in Fridge door


Just in case, don't use great foam or such that may expand too much and change the shape of the door. If you seal that hole, may create another rust spot since water will find another way.
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Old 05-14-2020, 04:41 PM   #8
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Re: Insulation in Fridge door


DO NOT use bondo that will be a waste of time . Moisture will go right through it . The suggestion of aluminum tape is a good one . Ultimately pulling the door off and disassemble so you can get in the door is best . I would add low expansion foam to the entire door cavity . Trim it if it expands too much and reassemble . Good for another 40 years
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