USC Pro-Glas Fiberglass Reinforced Filler, Gallon - 25050

SKU #1807958KIT
• For use with SMC, steel and fiberglass substrates
• 100% Waterproof
• Spreads smoothly
  • Description
  • Reviews
  • Tech Sheets

The USC Pro-Glas Fiberglass Reinforced Filler is a specially formulated filler with short strand fiber reinforcement. The Pro-Glas mixes easily and spreads smoothly to provide an even refinish surface. This SMC approved filler has a creamy, easy to sand and spread formula, and is 100% waterproof. It has excellent strength and adhesion and mixes easily. It works on substrates like SMC, steel, aluminum, fiberglass, wood, masonry and concrete.

You can use the USC Pro-Glas Fiberglass Reinforced Filler on rotted out steel, dents, cracks or holes on SMC, steel, and standard fiberglass. It can be top coated with Icing, Pro-Glaze, and Blaze Glaze. This fiberglass reinforced filler provides the performance needed to repair and refinish products manufactured in the SMC process. It repairs cracks, tears, dents and holes in trucks, motor homes, and jet skis. It can also be used for finishing these substrates and for the same type of repairs on fiberglass and steel. It is a very efficient and durable solution to your auto body paint problems.

Key Features of the USC Pro-Glas Fiberglass Reinforced Filler:

  • SMC approved
  • Creamy, easy to sand and spread formula
  • Excellent strength and adhesion
  • 100% waterproof
  • Available in gallon size
  • Mixes easily
  • Hardener included

Technical Specifications:

  • Color: Gray green
  • Mix: To a golf ball size of filler, add 1-1/2" ribbon of hardener (or 2% by weight)

This item can only ship by ground within the Continental US.
Next Day or 2nd Day, AK & HI, & International delivery not available.

WARNING WARNING: This product can expose you to chemicals including Styrene which is known to the State of California to cause Cancer and Methanolwhich is known to the State of California to cause birth defects or other reproductive harm. For more information go to

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