A protective blanket of TruSoft defends this home day and night, winter and summer, forevermore. Tru-Soft cellulose requires less energy to manufacture than any other type of insulation. Basically, recycled paper is processed in grinding machinery that creates a fluffy, lightweight material with insulation value as high as R-4 per inch.The insulation is then treated with a nontoxic borate solution that gives the material a Class 1 (the highest) fire safety rating, while also making it resistant to mold and insects. Our cellulose is packaged in large plastic bags that are then distributed to local insulation contractors and retail distributors.