Insulation - Spots with Super High R-Value - Theories on Effects? - Ford Transit USA Forum
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post #1 of 76 (permalink) Old 05-31-2019, 01:11:PM Thread Starter
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Insulation - Spots with Super High R-Value - Theories on Effects?

I just finished insulating with havelock wool, but still really curious as to how it will work out...mainly because of this:

Havelock recommended 3 bags of wool for a "well insulated" build (HR 350, non-EXT). We used 5 instead! And stuffed like 5 inches+ into all the pre-built corner compartments, filling the entire space between the van walls and the T&G walls (sorry not good with the terminology, some of you use parts of this space for cabinets, but lying the T&G flat almost requires covering it), then did the rest of the walls about 1.5-2". Also did the floor and ceiling, about 2" each.

I'm wondering if all that extra insulation in those corner areas will help much? Or is this more of a weakest link type of equation? I'm thinking a little of both, but haven't found anything relating this. Surely that space will hold more heat right?

Some of you must have thought about this while you were insulating all those compartments and some of you have got to understand the effects better than a noob like me!
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post #2 of 76 (permalink) Old 05-31-2019, 02:22:PM
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We suggest a single thorough layer of Thinsulate(TM) SM600L with no need to stuff cavities full of insulation as we want to maintain some airflow to allow moisture to dry out. This saves on material, effort, weight and cost. We have tested wool and do not think it is appropriate for vehicles. It burns more easily and emits a stinky smoke when it does. Wool does not pass FMVSS-302 flammability requirements. We have a sample that we have allowed to be moist for about a month. The smell of the wet wool is unbearable. We also have a tested Thinsulate(TM) sample under the same conditions and there is no smell.

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post #3 of 76 (permalink) Old 05-31-2019, 03:33:PM
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I wonder what the van seats smell like when they catch fire?

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post #4 of 76 (permalink) Old 05-31-2019, 03:45:PM
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Originally Posted by ranxerox View Post
I wonder what the van seats smell like when they catch fire?
A$$
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post #5 of 76 (permalink) Old 05-31-2019, 07:21:PM
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Heat transfer through the walls will average out. Little through the places with thick insulation, more through those with thin. If the insulation is packed too densely you actually lose insulation value.

The weak point in any van insulation system is the heat flowing through the metal around the insulated voids, window and door frames, etc.


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post #6 of 76 (permalink) Old 05-31-2019, 07:48:PM Thread Starter
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Wool is also a natural air filter and a much better sound insulator than thinsulate. But anyway let's not debate it here, I do like your concept of airflow behind the walls to keep everything dry, but not going to do it on this build.
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post #7 of 76 (permalink) Old 05-31-2019, 08:02:PM
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Wool is a much better sound insulator than thinsulate.
Absolutely false. Thinsulate(TM) is an engineered acoustic absorbing insulation specifically designed and approved for use in vehicles to reduce noise.

If wool gets wet (which is likely due to condensation) then it will start to decompose and stink. This very thing has happened to a customer who then decided to not use it in favor of non organic Thinsulate(TM) which does not decompose but can be recycled at the end of it's useful life. This is a federal requirement for materials used in vehicles. Wool can not be recycled.

I am sorry but you made a poor choice going with wool. The shearing of sheep to harvest their wool borders on animal cruelty. (The link below will make you cry) Wool is twice the weight of Thinsulate(TM) so the added fuel over the life of your vehicle and energy to transport it here from New Zealand creates a lot more greenhouse emissions.

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https://www.peta.org/about-peta/faq/...-wearing-wool/
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post #8 of 76 (permalink) Old 05-31-2019, 08:23:PM
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Originally Posted by Hein;1005152

The shearing of sheep to harvest it borders on animal cruelty. (The link below will make you cry)

[url
https://www.peta.org/about-peta/faq/whats-wrong-with-wearing-wool/[/url]

Been there as a farm kid..... it’s not that bad. PETA has a mission that gets in the way of real life. The energy would be better spent helping the homeless or doing relief work in Syria.



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post #9 of 76 (permalink) Old 05-31-2019, 10:20:PM
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I better stop having haircuts. Did not know I was abusing myself.
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post #10 of 76 (permalink) Old 06-01-2019, 01:40:AM
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The only brand of insulation Hein approves of is the brand that Hein sells, And he will promise you anything to get your money.

https://gnomadhome.com/van-build-insulation/
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Last edited by ranxerox; 06-01-2019 at 02:08:AM.
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