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Post by h12rpo on Sept 9, 2012 21:35:17 GMT
Right then, vermiculite, how much did you use, how big is your oven, and best price for it
Go!
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Post by faz on Sept 9, 2012 22:54:18 GMT
Here you go!
500l
30inch ID
Travis Perkins were the cheapest I could find, with the discount (and nice and local for me too).
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Post by spinal on Sept 9, 2012 23:43:50 GMT
I've used 2.5 bags for the hearth insulation so far (40" internal diameter). Planning on using 5ish more bags (I have an odd-shaped enclosure planned).
All from Travis Perkins, cost £8.99 for a 100l a bag.
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Post by DuncanM on Sept 10, 2012 7:17:42 GMT
I used 7 bags I think, for Jewsons for about £10 a bag.
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Post by dougclay on Sept 10, 2012 19:24:45 GMT
I used 1/2 a 100l bag (£10) to insulate under the oven floor.
The surface of the floor brick was up to 500C this weekend, the under side got to 260C whereas below the vermiculite, the logger recorded only as high as 46C after several hours. I wish I'd insulated the dome this well...
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nick
WFO Team Player
Posts: 147
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Post by nick on Sept 23, 2012 6:03:11 GMT
Hi All
Excuse my ignorance, but can you get more than one size of vermiculite (grain size) from Jewson's etc. or is it all just more or less the same
If there is more than one size available, which is best for us?
I am off to buy some for my project in the morning
Cheers
Nick
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Post by cannyfradock on Sept 23, 2012 8:56:28 GMT
Nick
I think the vermiculite from builders merchants comes normally just in 1 grade, sort of medium grade. Other members have bought finer grade vermiculite from garden centers.
My 90cm Pompeii took 3 100ltr bags and it barley gives 4" cover. I find the medium grade stuff awkward to bind together so I may add a finer grade bag to the medium stuff on my next build to see if it's easier to work with.
Terry
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Post by tonyb on Sept 23, 2012 17:06:59 GMT
I think you can get different grades of vermiculite but as its moved around a shop/warehouse it will degrade due to handling. From an insulation point of view, the larger the better, though as Terry says, handling the vermicrete may be a little more difficult.
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nick
WFO Team Player
Posts: 147
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Post by nick on Sept 29, 2012 10:33:19 GMT
Hi All I just bought some vermiculite from Jewsons It is Silvaperl V4 See pic for the size Cheers Nick Attachments:
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