Vermiculite

[dugless]

Hi
I started oven about 3 weeks ago I'm in frosty Aberdeen.ithe oven is 42 inches x 42.
It's kind of half built but I was just wondering if anyone
Has used vermiculite to coat on top of the insulating blanket or does it have to be fire cement?
Thanks
Doug

[oblertone]

Vermicrete (vermiculite & cement at 10/1) is routinely used over blanket insulation; normally on top of a chicken wire cage to stop the insulation blanket being compressed. You will then need something on top of the vermicrete to waterproof it.

[utopiangames]

I think ive read somewhere on here (could be wrong) a 3" coating will need 3 100 litre bags for a 36" interior oven.