A method for making fire retardant material including fire retardant cellulosic insulation is described. The method includes an arrangement for adding one or more feedstocks and a fire retardancy chemical compound to a common blend tank prior to feedstock drying. The one or more feedstocks may include...http://www.google.com.au/patents/US8043384?utm_source=gb-gplus-sharePatent US8043384 - Method for making fire retardant materials and related products
