Fibral Lite Lightweight Sandable Fiberglass Filler takes the place of both short and long strand products. Its lightweight formula can be easily shaped and sanded once cured. Product Features:Apply directly to fiberglass, steel, plastics and aluminumSpreads like a short strand yet bridges holes like a long strandNon-sagging even on vertical surfaces - spreads, adheres and finishes like a polyester fillerForms a hard, durable surface that is still smooth and very easy to sandWaterproofCan be finished with putty or glaze or directly primed
