They call it kitty hair around here. The long glass fibers make it add some strength & water resistance. Sometimes needs a skim coat of regular filler to fill small holes after sanding. Wear a mask when sanding. Brian


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6