Refractory Brick and Blanket
Options Available. Superwool Fiber (HT) - 1" Thick, 24" wide (sold per sq. ft.) 8 lb. density [SHIPS FEDEX] $3.50. Superwool Blanket HT is made of long fibers, and is flexible, easy to cut and shape, and easy to install. Superwool has excellent thermal stability and retains its original soft fibrous structure up to classifiion temperature.