THERMAFIBER K-FAC SR is a nominal 14lb./cu. ft. density semi-refractory felt that provides high-temperature insulating
properties with excellent workability and easy application. K-FAC SR performs effectively over a wide range of uses, especially
when replacing mineral wool board and calcium silicate insulations in high heat ovens, furnaces, precipitators, firedoor cores and
many other similar installations. Not for use in load-bearing situations or to be subjected to direct flame impingement.