Re: Sorry - another Vermiculite Question
I think it will be fine. I like the idea of six inches of floor insulation too.
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Re: Sorry - another Vermiculite Question
I will suggest the use of vermiculite...probably coarse...only because it has a tendency to break up a bit with mixing...perlite is what I used and it blew around horribly and was difficult to get properly mixed...
Best
Dutch
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Re: Sorry - another Vermiculite Question
Gang,
I did do a search and only found one post about fine vs. course vermiculite. The preference was for for course but nothing "bad" was said/or suggested not to use fine. I want to use this to make my 5-6 inch insulating hearth (going a little thicker) but didn't want to use the wrong stuff. I've attached some pics... Maybe this stuff is "okay" - I just started to question when I saw the different grades on the package (none are marked).
Is this okay to use? I'm assuming the 5 to 1 ration is still okay with this type. Again, the place I bought it from has perlite that looks like the pictures I've seen posted and I can easily exchange it.
Let me know.
Thanks
Dick
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Re: Sorry - another Vermiculite Question
I agree ,vermiculite is better to work with, and prefer to use it, but perlite has slightly better insulation value.
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Re: Sorry - another Vermiculite Question
Try a search on this forum for coarse verm. and one for fine verm. There's been several discussions regarding your question. I believe the medium was generally found the easiest to work with, but don't quote me on that.
I used coarse, without any major issues. The grain size was bb shot size up to twice that size - maybe 4 - 5 mm.
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Re: Sorry - another Vermiculite Question
I used both.
Perlite and Verm.
The verm. was so much easier to work with than the perlite.
Hands down.
I will NEVER play with perlite again!
It was dusty, fine, and blew everywhere~!
My opinion....
As you were!
DAve
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Sorry - another Vermiculite Question
Gang,
I did search the threads first and didn't see answers to my question(s).
Background
I'm picking up supplies and my local garden store has both Perlite and Vermiculite (same price $19.99/ 4 cu ft).
The Perlite says "horticultural" grade and the granuals look like pictures I've seen
The Vermiculite has a "check box for horitcultural grade and a check box for fine med course - but nothing is "checked" (the worker says it's "med/course not fine") but the vermiculite looks like it is very small flakes - almost like sand but flatter. I picked up 4 bags but can exchange if needed...
Question(s)- Are the size of Vermiculite flake okay/does it matter?
- Should I just go with perlite instead (same price and they have plenty of both)
- Is one safer vs the other (I guess a non issue "after" it's installed?)
- Can I use a "cheap" drywall mask or should I get a ~$25 respirator?
Thanks
DickTags: None
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