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Too many options and decisions, flooring help, ideas, insight please.
#1
This is starting to drive me mad as there's no "right" way of doing anything.  I'm super sensitive to chemicals so I'm building this in part to have a chemical free space.  I bought an all aluminum trailer but need to pull the particle board that's currently in it and replacing it with something chemical free.  I was thinking 1/4 aluminum diamond plate but I will need 6-7 sheets and it's $300+ per sheet.  So that leaves me with a tongue and groove pine and a thinner diamond plate over that.  In this case I would also need a flashing under the pine to keep it safe from the elements and such.  So do I just put down an underbelly and then insulation in the frame spaces, then the pine, then the aluminum on top of that?  This is what I'm sort of thinking starting with the underside:

1)  Rigid board insulation (four inches) to fill the "stud cavities", I would add two bands of aluminum angle the long way to keep it firmly in place.  
2)  After setting the insulation in place an aluminum flashing on the inside of the trailer.
3)  Tongue and groove pine on top of this.
4)  A thinner diamond plate aluminum floor.  

Do you see any flaws here?  Any better all natural type options?  Do you think the exposed rigid board foam would be fine on the under side dealing with the elements and road conditions?

It's either that or the same thing without the flashing and a much thicker diamond plate though I'm not sure what I would need to support the weight on the inside with 24" spacing on the cross supports.
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#2
Do you have issues with plastic?  If not then something like this maybe:

https://www.aliexpress.com/item/Wood-pla...c5ee443818
If we were meant to stay in one place, we'd have roots instead of feet. My little place on the interweb - Cyberian Radio 

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#3
(12-29-2017, 04:40 AM)Motrukdriver Wrote: Do you have issues with plastic?  If not then something like this maybe:

https://www.aliexpress.com/item/Wood-pla...c5ee443818

Yeah, that's pretty toxic stuff, remember these are small spaces so it just isn't worth using toxic stuff in such a confined space.  Awesome suggestion though, that stuff looks great for what it's intended to do.
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#4
I would leave the original flooring, seal it well so nothing comes into your space. Then build over that. There are hypoallergenic paint type coatings. With your sensitivity you must know some of these.
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#5
And only insulating between the framing will allow metal thermal bridging.

Need a continuous sheet over or under if you want it to be effective.

If no steel sheet below the foam, make sure to keep the floor accessible / removable for repairs.
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The following 1 user says Thank You to John61CT for this post:
GaRay (12-29-2017)
#6
I’m probably not as chemically sensitive as you, but I have used cork tiles with a water-based adhesive and a hard wax finish in a couple of small houses. In my current house, I have pre-finished cork tiles over the cement slab as a base and will put a cork floating floor (prefinished) over that. Could you use formaldehyde-free plywood as a base?

You may need someone else to do the work, but once dry, the materials are pretty inert. You also get some sound insulation this way. YMMV!

Also, I’m sure you know of this site already, but just in case:
http://www.mychemicalfreehouse.net/2016/...thing.html
Sofie the Sprinter, 2002 low roof

www.sondrarose.com
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#7
Can you be a little more specific when you say "chemicals"? Which are you trying to avoid. Not to be difficult but EVERYTHING is a chemical. H2O (water) is a chemical compound. And water can be toxic. Toxicity is related to volume or quantity of exposure/ingestion. Think intoxication... Intoxicated. Poisoned. Try googling "toxicity" and reading. It's pretty straightforward stuff.

Sorry... I might be too literal. Just trying to refine the conversation.


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#8
with sheet aluminum diamond plate, it's going to be cold as hell in the winter and hotter than hell in the summer. highdesertranger
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#9
(12-29-2017, 12:28 PM)duncanshannon Wrote: Can you be a little more specific when you say "chemicals"? Which are you trying to avoid. Not to be difficult but EVERYTHING is a chemical. H2O (water) is a chemical compound. And water can be toxic. Toxicity is related to volume or quantity of exposure/ingestion.   Think intoxication... Intoxicated. Poisoned. Try googling "toxicity" and reading. It's pretty straightforward stuff.

Sorry... I might be too literal. Just trying to refine the conversation.


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I know of few people that have gotten ill from smelling water but I guess if you wanted to be super technical you are correct and I should have know to be more specific online.  As a rule I mean petrochemicals, lab created chemicals and so on, the types you would find in plywood or many types of plastics, paints, insulation and such.
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#10
(12-29-2017, 07:44 PM)TucsonAZ Wrote: I know of few people that have gotten ill from smelling water but I guess if you wanted to be super technical you are correct and I should have know to be more specific online.  As a rule I mean petrochemicals, lab created chemicals and so on, the types you would find in plywood or many types of plastics, paints, insulation and such.





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