Fibral Lite Sandable Fiberglass Filler, gallon

Fibral Lite Fiberglass Filler takes the place of both short and long strand products. Its lightweight formula can be easily shaped and sanded once cured.
Spreads like a short strand yet bridges holes like a long strand
Non-sagging even on vertical surfaces – spreads, adheres, and finishes like a polyester filler
Forms a hard, durable surface that is still smooth and very easy to sand
Water resistant
Can be finished with putty or glaze or directly primed
Substrates: Fiberglass, steel, plastics