Thinsulate Compare Spreadsheet - Page 3 - Ford Transit USA Forum
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post #21 of 30 (permalink) Old 12-11-2018, 01:45:PM
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Quote:
Originally Posted by Travlin View Post
I'm not sure who mentioned foil-covered bubble-wrap.

"Prodex from Insulation 4 Less" "R value of 17 for 1/4""

Prodex is foil covered bubblewrap with a brand name attached, from what I can tell looking at their website.

It can provide some insulation because it limits convection (it's made of plastic sheeting that seals in/out air) and conduction (it places a 1/4 air barrier between sheets of plastic and foil from the outer metal skin of the van). And even radiation (infrared is reflected if there is a suitable air gap). That's all 3 types of heat transfer. But it doesn't do any of them very well compared to many other insulation materials, except maybe convection if it is done over the entire surface, but the metal skin of the van already does that.

Below is a good explanation of the three types, ignore the sales pitch for their product.

https://www.greenteg.com/heat-flux-s...heat-transfer/

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post #22 of 30 (permalink) Old 12-11-2018, 01:58:PM
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Quote:
Originally Posted by surly Bill View Post
"Prodex from Insulation 4 Less" "R value of 17 for 1/4""

Prodex is foil covered bubblewrap with a brand name attached, from what I can tell looking at their website.
I too thought it looked like Reflectix from the little picture on their site. But I thought their description said foil faced closed cell foam. Doesn't matter in either case since R-17 from 1/4" of anything is a scam.

Newbies here should probably just copy what most people here do if they don't want to do the engineering legwork and thinking of @Travlin

I did R-Max on the ceiling and the large window cutouts since that was relatively easy. Thinsulate in the harder to access doors and wall cubbies. Stuffed it in the various ribs as best I could if it wasn't too much work; turned out my laziness (and Travlin's and @GaryBIS science and experimental results) > OCD need to fill every nook and cranny.

2017 T-250 Oxford White Cargo 148" HR EB 3.31 LSD.

Last edited by Eiko; 12-11-2018 at 02:00:PM.
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post #23 of 30 (permalink) Old 12-11-2018, 03:03:PM
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Originally Posted by markthevan1 View Post
Hi, I am new to the forum. Has anybody used this insulation? Prodex from Insulation 4 Less.
I think I attached link for Sprinter van installation.

They have a known reputation for misrepresenting R value
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post #24 of 30 (permalink) Old 12-12-2018, 04:50:PM
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We carried Prodex for a short time but feel Low-E is a better product. Low-E is made in the US.

Also want to update this thread regarding 3M Thinsulate (TM) and other insulation products we have in stock. We do now carry other grades of Automotive grade Thinsulate at our warehouse in Hood River, OR. We ship daily. Below is our complete list as of now. We are working with 3M to add more varieties and other complimentary products.

SM600L
Amazon: https://www.amazon.com/dp/B074XLDV58
ebay: https://www.ebay.com/itm/131754566187

SM400L
Amazon: https://www.amazon.com/dp/B07J3PV4VZ
ebay: https://www.ebay.com/itm/141960802013

AU4002-5
ebay: https://www.ebay.com/itm/132070330532

TAI-1547
ebay: https://www.ebay.com/itm/142706490097

Low-E radiant/moisture barrier
72" wide
ebay: https://www.ebay.com/itm/132309043644
60" wide
ebay: https://www.ebay.com/itm/132071677926

Minicell foam
ebay: https://www.ebay.com/itm/143029175754

Customers are welcome to order by phone or email and we have reduced price blem rolls for local pickup. Contact information is at DIYvan.com or search google maps for our location. Please contact Kim for up-fitter pricing.

All the best,
Hein
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post #25 of 30 (permalink) Old 12-12-2018, 05:51:PM
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sorry about my misconceptions concerning construction of Prodex. It looked like Reflectex to me.

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post #26 of 30 (permalink) Old 12-13-2018, 10:57:AM
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Originally Posted by orton View Post
I used closed cell foam, Aeroflex closed cell insulation...

Aeroflex is flexible so can be folded to insert it into the deep pockets and bent to match sloped surfaces. Has both R value and noise reduction properties. Saw the Aeroflex being used at a brewery to insulate tanks and piping.
Don't want to hijack this excellent Thinsulite thread but...

Dave,
On Aeroflex products which sheet or roll type and thickness did you use ?

For rough price comparison Aeroflex 1.5" R6 local p/u was $44/linear yard or roughly 25% more than SM600L 1.65" R5.2 shipped.

2018 T250 148 HR 3.5EB 3.31 LS Dual AGM Cargo

Last edited by Kevo; 12-13-2018 at 04:48:PM. Reason: Oops (my bad)l cost per yard not per square foot
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post #27 of 30 (permalink) Old 12-13-2018, 12:59:PM
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Originally Posted by Kevo View Post
Don't want to hijack this excellent Thinsulite thread but...

Dave,
On Aeroflex products which sheet or roll type and thickness did you use ?

For rough price comparison Aeroflex 1.5" R6 local p/u was $44/sq ft or roughly 25% more than SM600L 1.65" R5.2 shipped.
Bought 1" x 3' x 4' Aeroflex flat sheet # 906 for $2.26/sq.ft. on 6-24-15 R=4.1/inch Installed two layers in deep openings above & below window indents.

Bought 1/2" x 3' x 4" Aeroflex flat sheet # 903 for $1.26/sq.ft on 6-24-15 Used where two layers of 1" was too thick.

Picked up locally in Oakland at MacArthur Co. to avoid shipping.

2015 high roof 148" WB 3.5 Ecoboost 3.31 LS rear cargo.

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post #28 of 30 (permalink) Old 12-13-2018, 04:57:PM
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Thanks! (My obvious error above s/b per linear yard not sq ft). Do you think the 3’x4’ sheets are easier to deal with than rolls?

2018 T250 148 HR 3.5EB 3.31 LS Dual AGM Cargo
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post #29 of 30 (permalink) Old 12-13-2018, 05:18:PM
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Originally Posted by Kevo View Post
Thanks! (My obvious error above s/b per linear yard not sq ft). Do you think the 3’x4’ sheets are easier to deal with than rolls?
Yes. And they will not have any "roll" memory.

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post #30 of 30 (permalink) Old 12-15-2018, 11:36:AM
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Thinsulate Compare Spreadsheet

All I know is insulating my van was a PITA. So many nooks and crannies, and every surface is curved. I chose a layered approach: thinsulate touching the outside skin, and crammed into the ribs and channels as best I could. R-Max polyiso (with reflective skin) where I could after that (inward from the thinsulate). And some Low-E some other places, including the floor (one of several layers) believe it or not. (Not sure how smart that was, but so far so good). I have cut removable/velcroed reflectix pieces for the Windows, but may upgrade to Low-E.

I’m sure it is not the ultimate winter arrangement. If I had to do it over again, I would...I would probably just shoot myself instead.

Shipping costs are the killer. And the labor.



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2015 HR mid-length, EB3.5, 3.31 started out as "blank canvas" but now with some ghetto / not-so-ghetto conversions. But certainly no Airstream or Outside Van.

Last edited by impatient; 12-15-2018 at 11:50:AM.
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