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BirdBrain333 06-26-2012 07:52 AM

Crealock 37 Icebox questions
I have not conducted an "ice melt test" but have a feeling that the icebox on our 1986 PSC 37 is not all that well insulated. Does anyone know how much insulation of what sort is in there.

Also has anyone added additional insulation and if so can you give me any tips, tricks, or helpful hints?

Many thanks, Jay

PSC 37 Kenlanu, Buck's Harbor, Maine

teejayevans 06-26-2012 01:11 PM

Re: Crealock 37 Icebox questions
It's possible the insulation has deteriorated in the last 25 yrs, but I would first make the easy checks (leaking seal(s), check temp of cooling plate, etc) before you start drilling pilot holes to check your insulation.

whosedream 07-13-2012 07:54 PM

Re: Crealock 37 Icebox questions
A space blanket is an inexpensive solution.

I'm currently commuter cruising (a week or so each month) Sea of Cortez.
I had same concerns.
Didn't want to blow up everything and rebuild icebox/frig for something that was questionable---rather be sailing.

I bought a space blanket for $3.49. Cover food and a bag of ice inside ice box (like a ceiling) and keeps things nice and chilled...takes 4 days for the last cube to drop in a glass of soda pop.
Suspect a couple pounds of dry ice and the space blanket would last way way longer..probably have to extend for 10 days or more.
Hope the space blanket idea helps.

BirdBrain333 07-14-2012 06:14 AM

Re: Crealock 37 Icebox questions
Thanks Tom and WhoseDream,

The space blanket is a great idea as was checking for leaks &etc which led to replacing the gasket around the lid. I still suspect that the insulation thickness is pitiful on our 1986 era boat but will, as Tom suggests, leave that alone.

Thanks again, Jay

PSC 37 # 171, Kenlanu
Buck's Harbor, Maine

deniseO30 07-14-2012 11:36 AM

Re: Crealock 37 Icebox questions
If you have refrigeration rather then using Ice. You can cut a piece of foam board and just lay it in the bottom, it will help allot, just remove it to clean it and the box now and then.

steneck 07-14-2012 07:58 PM

Re: Crealock 37 Icebox questions

I just read a note from someone with exactly the same concern. Besides the insulation suggestions you have already received, he said the single best thing he did was to plug his drain hole. It effectively drains the dense cold air. He claimed the cycles slowed when he whittled a wine cork and plugged the whole. I see no reason not to try that so that's what I'm trying this summer.


BirdBrain333 07-15-2012 10:28 AM

Re: Crealock 37 Icebox questions
Dear folks,

Great, non-mutually exclusive suggestions.


wsmurdoch 07-15-2012 01:58 PM

Re: Crealock 37 Icebox questions
The top of the box has the least amount of insulation. It was easy to add an inch of blue board there. (I bought a 4x8 at Lowes, cut off what I needed, and left the rest behind. It was gone before I got out of the parking lot.)

We line the freezer side of the box (where the cold plate is) bottom and lower sides with pieces cut from the blue foam camping mats for the greatest of all marine stores - WalMart. It is cheap, easy to cut, flexible, and when nasty is quickly replaced.

We have gallon/quart zip lock bags partly filled with foam beads (ex-bean bag chair) and scraps of the blue foam to cover things on the freezer side. They fill voids, stop air circulation, help hold frozen items against the cold plate, and add insullation.

We have a double thick blue foam pad (foam/spray-glue/foam) to put over the top of the box, but it is such a pain in the ___ that it is seldom used.

Bill Murdoch
1988 PSC 34
Irish Eyes

BirdBrain333 07-15-2012 08:35 PM

Re: Crealock 37 Icebox questions
Well, it seems I need to spend a LOT more time at Wallmart. I had no idea they had camping stuff never mind ensolite pads! I'm going to stock up and what with the pads, survival blankets, plug in the drain & etc am looking forward to a nice COLD box!

Thanks to all, Jay

P.S. I just sewed a cover from fleece and batting to go on top of the refrig/ice box. The corner door clears nicely and the drawers just sort of scrunch it up a bit when they are opened to get out silverware or a corkscrew. The top opens normally 'cause the 'pad' folds easily. As I said, I'll take pictures when we are next down to the boat.


asmilingshark 09-14-2012 02:03 AM

Re: Crealock 37 Icebox questions
3 Attachment(s)
I have installed recently a new refrigerator on my Crealock37 and added insulation and some new liner to the ice box. It was a bulky DIY project but came out beautifully. The refrigerator is SeaFrost and I could not be happier with it. It's been working rather too good freezing everything in the outboard chaimber, even when I did not need it. So I installed 4 inch inspection plates in the partition and now if I do not need freezing cold tep I keep the inspection plates open, spilling more cold air into the inboard compartment. For insulation I used the pink Home Depot 3/4" thermal sheets to especially add to the wall adjacent to the engine room and to the front, next to the stove. Attachment 12131

Attachment 12132

Attachment 12133Attached are a few pics.

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