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Showing results for tags 'forge liner'.
So, I currently run a charcoal side blast forge. I basically filled it with clay and then the actual firebox has a cob lining made of refined earth clay, grass clippings, grob and a small amount of lime to act as a plasticizer (less water required to make the mixture wet). I get very good heat from it, some would say a little too good, So much so that the clay actually melts. like not little particles and clinkers but actual viscous, honey like liquid slag at the bottom of my forge. This doesn't overly affect the forging too much, as the tuyere is above the slag, but I don't like having