National Fiber has been producing cellulose insulation and hydro-seeding mulch in Belchertown, MA, since 1978.  Investing significant capital in modern equipment and taking advantage of cutting-edge techniques and hard-won experience, National Fiber manufactures high quality cellulose insulation and hydro-seeding mulch throughout the Northeast.

In addition to delivering a high quality product, National Fiber is committed to providing the highest quality service and technical support. The combination of long-term experience, modern technology and dedication add up to a superior product value.