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Old 08-12-2003
mcain mcain is offline
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Ice box insulation

The standard "best" insulation is the extruded styrofoam, also known as Dow "Blue Board". Available in lumber yards in various thicknesses and not real expensive. Its a board-like material and can easily be cut or sawn. Also available in a pink variety. This is not the standard white styrofoam that cups are made of--same material, different process.
The pour in foam was commonly used in the past and has good insulating properties, but it should be sealed against moisture. It also is a tremendous mess. It gets on stuff and is very hard to clean up.
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