• Fiberglass strands and fibers make it twice as strong as regular body filler
• Covers small (up to 1/2 In.) holes without the need for backing strips, fiberglass resin, or cloth
• Excellent as a foundation for hole, dent, and rust-out repair
• Can be paired with body filler and glaze for complete repairs
• Use during the fill stage of the 3M Body repair System
• Ideal for small hole repair and rust-out repairs on cars and boats
• Interior or exterior use
• Make repairs to fiberglass, metal, wood, concrete, and masonry
• Fill small holes up to -inch wide with fiberglass reinforced formula without the need for backing strips, fiberglass cloth, or mat
• Stronger bonding formula compared to Bondo Original Filler

Bondo Short Strand Fiberglass Reinforced Filler makes an excellent foundation for hole and rust-out repairs without the need for backing strips, fiberglass cloth, or mat. It contains short, interlocking fiberglass strands and fibers that make it stronger than regular body filler. It is also slightly thicker and provides a fast drying time, making the filler less messy on vertical surfaces like car doors. Fill stage of 3M Body Repair System.