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Full Version: Making a D.I.Y chilly bin with extruded polystyrene (XPS)
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I have a small chilly bin and it is insulated around the sides but the top cover is not insulated.  I want to give it maximum insulation and I was thinking about doubling up with two sheets of extruded polystyrene (XPS) and putting that around the sides. 
Also, rather than put expanding foam into the top cover like everyone on YouTube is doing, I was going to use doubled up extruded polystyrene (XPS) inside the chilly bin and pressing it down over the top of the items I wish to chill because I only plan to use the bottom half of the chilly bin.

What do you guys think, two doubled up sheets of extruded polystyrene (XPS) is a good idea for insulating a chilly bin?
Thick insulation plus no gaps for air movement. It is no different than a refrigerator which has a gasket seal to help keep the heat in the room from moving into the cold box. Setting foam on top of food won't give you an adequate seal to reduce the movement of heat towards cold.
I'll make a air tight box out of XPS.

The XPS won't be sitting loosely on top of the food, as such, but it will be pushed down into the chilly bin (which narrows slightly from top to bottom) until it gets "stuck", and by doing this it will hopefully create a air tight fitting. I'll have to attach a rope handle or something so I can remove the XPS lid.
I am curious what is a Chilly Bin? to keep Chili's in? or a chiller like a refrigerator? highdesertranger
I think it is an ice chest from the description of what he has.
(11-19-2019, 08:15 AM)highdesertranger Wrote: [ -> ]I am curious what is a Chilly Bin? to keep Chili's in? or a chiller like a refrigerator? highdesertranger

Chilly bins are supposed to be coolers (like refrigerators) but since most chilly bins in NZ are made in China, the bins don't keep anything cool, so a D.I.Y insulation job is required on the bins. You're basically buying an expensive plastic box then making it into a cooler (chilly bin).

This is the chilly bin here: https://www.thewarehouse.co.nz/p/pinnacl...72655.html
That is what we call an ice chest. Put ice in it along with what you want to keep cool. The ice melts slowly.
(11-19-2019, 01:38 PM)B and C Wrote: [ -> ]That is what we call an ice chest. Put ice in it along with what you want to keep cool. The ice melts slowly.

I thought Americans called chilly bins...coolers.

I had my first experience with melted ice in the chilly bin, it turns the bin into a small swimming pool in about 12 hours. I'll need some small plastic containers to keep the ice in.
Coolers is another term used here. You can put your foodstuff in bins and let them float. Pour of the excess water before it gets too deep. Or put the ice in a sealed container. There will be condensation to deal with in either case.
correct "ice chest" has just about gone out of use in terms of the name that is most common for the product, that is the name now used by the stores and manufacturers. in the USA. But there are still lots of people alive who grew up calling them "ice chest" so it will be a number of decades more before that term goes completely out of use and becomes an archaic term.
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