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Floor Insulation - Cutting Poly-Iso

10604 Views 13 Replies 9 Participants Last post by  mdem1989
I've been meticulously documenting my van conversion as a reference tool for others, for them to know what every little step of a conversion really means and whether they might be able to do it.
Currently I'm working on the sub-floor and have just published part three of the installation.
I've been laying poly-iso boards between the ribs of the floor of my Ford Transit.





You can read about all the details, see photos and view the video here.


Or part 2: Paper Plywood Templates
Or part 1: Tie Downs & Wheel Wells

Enjoy!


Van Williams
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been considering putting polyiso on floor-
going to put full sheets down and Not cut it up to fit floor bumps-
no wood fillers -

Easier and maybe less squeaking chance -

Not sure if it should be glued down ??

I have no clue if polyiso will hold up to foot traffic
and not turn into dust or goo ??

one thing that I have considered is
so far i've spent a lot of time
walking around on stock ford flooring pad W black plastic
and so far my feet have not hurt at all-

worn several types of shoes from crocs to good boots -
all good
crawling around was not good tho -

have some cardboard pieces on floor to catch mess also -

Years ago when I worked in a grocery store they changed floor
matts from hard plastic to thicker softer matt and new mats Killed my feet-
after a week or so of use decided to just remove new matt and stood on cement floor-
in a month ALL the new mats were replaced with old matts again -

So I was thinking 1/2 of 3/4 polyiso insulation against metal floor
then stock floor pad grey-
then a 5mm thick plywood sheet
then stock ford black plastic flooring --

will double ish stock floor thickness -

have not messed with floor yet and stock floor pad may be stuck
to black plastic so layer plan may have to change -

Any thoughts on my plan ??
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