Has anyone heard of or used a product called Dritherm or Gilsulate.
- Hand Fed Coal Boiler: AHS WOC 55
- Coal Size/Type: Nut/Bit
Commercial underground insulation. I have only seen info on it. I haven't ever used it or seen it used. More ideal for wet soils.
How many TRUCKLOADS or supersacks are you looking for? I doubt it is sold in small quanities.
- Stoker Coal Boiler: Axeman-Anderson AA-130, Keystoker K-6
- Hand Fed Coal Boiler: HS Tarm 502 Wood/Coal/Oil
- Coal Size/Type: pea, buck, rice