As anyone can attest that has welded for a living, a man gets used to being burnt by welding splatter to the point that it becomes meaningless; it just becomes…well, a normal part of life.

If the mix won’t flow from your hopper, it is too thick. Your spray should come out of the gun like a wet splatter. Spray the face coat to 18-inch thickness. With a bristle brush, brush the face ...