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Old 22-05-2018, 08:03   #46
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Re: Upgrading Battery Bank & Refer Unit

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Originally Posted by Terra Nova View Post
Do not use Styrofoam. Locate some Dow "blue board."
That's the thing... I'm in Brazil and I can't find those boards here.
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Old 22-05-2018, 08:34   #47
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Re: Upgrading Battery Bank & Refer Unit

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Originally Posted by Copacabana View Post
That's the thing... I'm in Brazil and I can't find those boards here.
use what you got for now till you can get the good stuff. Wrap in plastic and seal with duck tape.

Anything's better than nothing .
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Old 22-05-2018, 12:47   #48
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Re: Upgrading Battery Bank & Refer Unit

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Originally Posted by Copacabana View Post
Richard, I ordered 2 sheets of polystyrene foam (arrived yesterday), but I suspect it's not the right stuff. It looks exactly like regular styrofoam, but pink. It also says on the site that it's "expanded polystyrene" (not extruded) and that it's not waterproof. Should I just go ahead with this, sealed in plastic, or keep looking for better material?
Styrofoam is a generic term anymore for all kinds of products. DOW has the Trade Mark for Styrofoam TM Polystyrene Extruded Blue Board that is resistant to running water. Expanded Polystyrene closed cell has almost the same R value as Blue Board and is resistant to moisture vapor. I suggested you use Extruded because it will have less friction when inserting drop in refrigerator assembly.

Each time refrigeration compressor cycles on, moist air is attempting to collect on insulation. When compressor stops air around insulation expands leaving moisture on insulation exterior.

I would recommend using the material you bought but encapsulating it in 6 mill builders plastic sheet sealing edges with a good plastic tape.
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Old 22-05-2018, 12:53   #49
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Thumbs up Re: Upgrading Battery Bank & Refer Unit

Quote:
Originally Posted by Richard Kollmann View Post
Styrofoam is a generic term anymore for all kinds of products. DOW has the Trade Mark for Styrofoam TM Polystyrene Extruded Blue Board that is resistant to running water. Expanded Polystyrene closed cell has almost the same R value as Blue Board and is resistant to moisture vapor. I suggested you use Extruded because it will have less friction when inserting drop in refrigerator assembly.

Each time refrigeration compressor cycles on, moist air is attempting to collect on insulation. When compressor stops air around insulation expands leaving moisture on insulation exterior.

I would recommend using the material you bought but encapsulating it in 6 mill builders plastic sheet sealing edges with a good plastic tape.
Thanks Richard. I appreciate the advice.
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