what is another name for rock wool ? ‘Rockwool’ is a brandname for a fire-proof insulation product. It is made from natural products. I think Rockwool is a Danish company…..other names…stone wool, mineral wool, glass wool.   Vintage 1930s Wool Tuxedo Jacket With Tails- Swing, Punk, Rock N’ Roll, Circus $49.99 Vtg PENDLETON WOOL FLANNEL [...]