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Refrigerator insulation

Michael Sterling All Messages By This Member #103172 Hi Carter, thanks for the info. I'm doing something similar. It'll be interesting to see, what if any, improvement there is. Regards Michael Sterling Ph. 252-646-9610 toggle quoted message Show quoted text On Tue, Apr 15, 2025, 12:32?PM Carter Brey via <carter.brey=[email protected]> wrote: Mike, ? I can't really say how thick the existing insulation was because I took an extremely conservative route. I did not remove any of the existing fiberglass fridge box beyond drilling 1/4" holes in a regular pattern to allow foam injection, adding foam to whatever was already in there (Jimmy Hoffa? Aztec gold? Who knows?) ? All I can say is that the available space seemed to vary depending on location. I was able to inject quite a bit through the teak settee back into the forward-facing side. Working from inside into the bottom and from outside into the aft side (after removing the oven) and into the starboard side, I found it possible only to inject a small amount before it squirted back out. ? After sealing and sanding the holes inside the box, I used Rust-Oleum white enamel to paint the inside for cosmetics. ? ?
Carter Brey All Messages By This Member #103168 Mike, ? I can't really say how thick the existing insulation was because I took an extremely conservative route. I did not remove any of the existing fiberglass fridge box beyond drilling 1/4" holes in a regular pattern to allow foam injection, adding foam to whatever was already in there (Jimmy Hoffa? Aztec gold? Who knows?) ? All I can say is that the available space seemed to vary depending on location. I was able to inject quite a bit through the teak settee back into the forward-facing side. Working from inside into the bottom and from outside into the aft side (after removing the oven) and into the starboard side, I found it possible only to inject a small amount before it squirted back out. ? After sealing and sanding the holes inside the box, I used Rust-Oleum white enamel to paint the inside for cosmetics. ? https://www.dropbox.com/scl/fo/k6tew2dkr9bqxsjttmpgy/h?rlkey=t97jj4r8ljjhgqm1vfjb8jwu8&st=6lr8u30f&dl=0 ?
Jerry Brecher All Messages By This Member #103161 For what?it's worth, we installed a Frigoboat Keel Cooler refrigeration unit?in 2023. No alteration to the insulation of the 41-year old ice box. We set yjr temp to 40? and?it maintains a steady temperature all the time. Freezer compartment can keep ice cream! -- Gerald (Jerry) Brecher SIRACH 1982 Sabre 38 MkI,? Now lying Coruna, Spain Sailing?home to Gloucester, MA this summer 488 Pleasant Street North Andover, MA 01845 USA mobile: 617-510-5133
Michael Sterling All Messages By This Member #103151 I'm following up on this project from Jan of 2024, as I'm starting to upgrade my 35 year old refrigeration! I've read the previous comments from Jay & Carter as well as the original from Matt. Do either of you have any insight into how thick the existing original insulation is ? I've drilled some test holes & seem to find as much as 3 inches between the refrig shell and the hull, without much room for additional insulation. My boat is a 1988 38' MK II, so manufacturing processes will likely have changed over the course of time. Carter, if you're still lurking around what did you find ? & how much of the insulation were you able to inject ? Thanks and Regards? Mike s/v Ladylike? 88 38' MK II Oriental NC
Jay Flynn Member Profile All Messages By This Member #96650 开云体育 Thank you Carter (and yes, you used more foam than I would have ever thought).? Jay toggle quoted message Show quoted text On Jan 27, 2024, at 9:32?AM, Carter Brey <carter.brey@...> wrote: ?Hi Jay, I did this project last year and the results were pretty good-- not as good as I would expect after a complete rebuild with blue board, but definitely improved without destruction of the existing installation. I used this post as a guide: And here are photos from my project. You'll notice that I had to dismount the stove to gain access to one side of the fridge box. Where no access was possible (the outboard and bottom sides) I drilled directly into the fridge. After removing the foam muffins I sealed the holes (all 1/4") with putty and sanded smooth, then painted. It actually looks better now than before the painting? Best regards, Carter Brey S38-II Atlantea City Island, NY -- Jay Flynn “Elizabeth Belle” Sabre 362 1999 #212
Michael Sterling All Messages By This Member #96637 Carter,? thanks for sharing, I've wanted? to do something similar for a while and was considering some type of mix & pour foam I've read about. Your and Matt's solution looks much more effective. I'm going to add this to my project list. Thanks? Mike s/v Ladylike? 88 38' MK II PS you do some good work ! toggle quoted message Show quoted text On Sat., Jan. 27, 2024, 9:32 a.m. Carter Brey, <carter.brey@...> wrote: Hi Jay, I did this project last year and the results were pretty good-- not as good as I would expect after a complete rebuild with blue board, but definitely improved without destruction of the existing installation. I used this post as a guide: And here are photos from my project. You'll notice that I had to dismount the stove to gain access to one side of the fridge box. Where no access was possible (the outboard and bottom sides) I drilled directly into the fridge. After removing the foam muffins I sealed the holes (all 1/4") with putty and sanded smooth, then painted. It actually looks better now than before the painting? Best regards, Carter Brey S38-II Atlantea City Island, NY
Carter Brey All Messages By This Member #96636 Hi Jay, I did this project last year and the results were pretty good-- not as good as I would expect after a complete rebuild with blue board, but definitely improved without destruction of the existing installation. I used this post as a guide: And here are photos from my project. You'll notice that I had to dismount the stove to gain access to one side of the fridge box. Where no access was possible (the outboard and bottom sides) I drilled directly into the fridge. After removing the foam muffins I sealed the holes (all 1/4") with putty and sanded smooth, then painted. It actually looks better now than before the painting? Best regards, Carter Brey S38-II Atlantea City Island, NY
Jay Flynn Member Profile All Messages By This Member #96625 On my 362 there’s a space between the hull and the refrigerator that would benefit from better insulation. I was thinking of making a hole (or two) in the bottom of the food storage bin, located above this space, and squirting insulation foam inside this space. I was wondering if anyone has done this, what their results were, what type of foam they used, and how much? Thank you, Jay “Elizabeth Belle” #212 -- Jay Flynn “Elizabeth Belle” Sabre 362 1999 #212

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