Hamilton Manufacturing Inc.

Hamilton Manufacturing Inc. has produced quality cellulose insulation and erosion control products since 1962. We are committed to producing products, which help protect the environment around the world. Our products qualify as bio-preferred and organic.

As erosion control and green building specialists we proudly provide products, which are made in the USA. We service projects in 15 states and over 35 countries world wide. We are members of the Cellulose Insulation Manufacturing Association (CIMA) and American Standard for Testing and Material (ASTM). Our insulation carries an Energy Star rating as well as quality control measures during the manufacturing process.