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Search took 0.00 seconds. Search: Posts Made By: SV THIRD DAY
Forum: Plumbing Systems and Fixtures 03-05-2016, 12:24
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

I'm with you and would take the same approach given your situation.
I'm not Anti-Blue Board...it has it's handy good uses...I just didn't want people to get the impression that it can have a better...
Forum: Plumbing Systems and Fixtures 03-05-2016, 11:43
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

We did do a series of test trials on a 5CF Freezer box, which would be HUGE on a cruising boat. I haven't looked at that data in a while, so I will have to go dig it up and see what we found....but...
Forum: Plumbing Systems and Fixtures 03-05-2016, 11:07
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

PolyIso has a rate of water ingress when placed in water of 1mm per year.
Unlike the Blue Board (which is hydrophobic) polyiso is not. So when using polyIso, you want to be sure to follow good...
Forum: Plumbing Systems and Fixtures 03-05-2016, 10:39
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

YES...I stand by the use of the Term Bogus...why?
The question was, will using a layer of Blue Board and then PolyIso give you a better R-value result. The answer is NO...so the question/idea is...
Forum: Plumbing Systems and Fixtures 03-05-2016, 09:51
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

This happens all the time on chat forums...the answer is so simple that it gets missed in the huff, puff and bluster. Is 10% better or not why use something 10% worse than PolyIso?

Next up for...
Forum: Plumbing Systems and Fixtures 03-05-2016, 09:22
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Na...do the testing yourself...you will learn a few interesting things and I wouldn't want to stifle the learning process...:smitten:

And besides, busting internet rumors isn't a good enough...
Forum: Plumbing Systems and Fixtures 03-05-2016, 09:10
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

For the love of Pete guys...
It is Bogus, test data shows it and you are not looking at the entire picture here and only seeing one piece of the puzzle. At the end of the day PolyIso wins...not...
Forum: Plumbing Systems and Fixtures 03-05-2016, 07:20
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

It's bogus....you will lose more with the 1/3 less R-value in using an inch of blue board than polyiso.
Forum: Plumbing Systems and Fixtures 02-05-2016, 11:43
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

For those thinking that a 33% increase in insulation R-Value of PolyIso over Blue Board isn't a "Big Deal, just remember the handy rule of thumb that if you double the R-Value of your Box, you cut...
Forum: Plumbing Systems and Fixtures 02-05-2016, 10:51
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Blue Board is certainly better than nothing and yes it is more firm than PolyIso....but....

The classic thing to do is to add an inch or two of insulation to the inside walls of your Box. Or...
Forum: Plumbing Systems and Fixtures 02-05-2016, 10:32
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

That's not what our lab testing data shows.
We have built and tested 7CF boxes out of Blue Board, Pink Board, PolyIso (Rmax), Vacuum Panels, Ariogel...you name it...and we have test data on it.
...
Forum: Plumbing Systems and Fixtures 29-07-2015, 15:29
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

If the foam is wet...the bad news is that you ain't gonna "dry it out"...you will have to Rip it out.




I'm always looking for a diversion away from my boat projects and I never get tired of...
Forum: Plumbing Systems and Fixtures 25-07-2015, 21:21
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

So every 30yr old boat has an epoxy bottom...I love this guy, where do I check into the No Reality Hotel and once you check in...can you ever check out?

So how much do you CHARGE for these "proper...
Forum: Plumbing Systems and Fixtures 25-07-2015, 19:38
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

...see how fun this is...

Now back to the deck.
Forum: Plumbing Systems and Fixtures 25-07-2015, 17:30
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

You see this quite often in internet discussions, I call it the SOTF (Sliver Of Truth Factoid). In focusing in on the vapor barrier physical properties of “polyester” (to keep the argument...
Forum: Plumbing Systems and Fixtures 25-07-2015, 16:48
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Na...it's much more fun to drive the "proper vapor barrier folks" crazy with what works in the real world.
Forum: Plumbing Systems and Fixtures 25-07-2015, 16:40
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Ha ha ha....funny indeed, but you have these guys in every techy thread that can't see the forest for the trees.

To say that the Figerglass Ice box liners on 99% of boats will not serve as a...
Forum: Plumbing Systems and Fixtures 25-07-2015, 16:23
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

If you have the classic fiberglass/Gelcoat box that most boats have and are simply adding insulation to the inside of it my friend..that is as good a vapor barrier as you can get...it is a bathtub. ...
Forum: Plumbing Systems and Fixtures 25-07-2015, 15:27
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

That's a good start.
Now, get a roll of foil tape and seal up all of those cut edges!
Also anywhere you nicked the foil over the RMax, slap on a piece of the foil tape to seal that up.
...
Forum: Plumbing Systems and Fixtures 19-08-2014, 08:39
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Avoiding? No, not really. Just filtering things out. Which is actually more fun than giving you the answer at this point quite honestly. You do this for a living...so I'll step aside and let you...
Forum: Plumbing Systems and Fixtures 19-08-2014, 08:23
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Technautics has been building refrigeration systems and reinsulating boxes for boats since 1968. R-value trumps the relative difference in moisture absorption between the two insulation boards in...
Forum: Plumbing Systems and Fixtures 18-08-2014, 19:09
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

PolyIso is yellow, not white, so not sure if you used the same thing?
But your expert traded an R value of 12.9 for 2" of Polyiso for an R value of 10 (29% worse per inch) for a water absorption...
Forum: Plumbing Systems and Fixtures 18-08-2014, 18:06
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

The blue and pink boad stuff they have in Mexico isn't as good as PolyIso, but the truth of the matter is if you have **** insulation in the box now even if you use something that's not the best...
Forum: Plumbing Systems and Fixtures 18-08-2014, 17:37
Replies: 86
Views: 11,886
Posted By SV THIRD DAY
Re: Refer Insulation

Everything you need to do a nice clean job that will make a difference in your daily Amp usage can be bought in a run to Home Depot. Oh I know, I know the “experts” will wax on and on about pour...
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