G-100 Pneumatic Cup Gun

G-100 Dump Gun

The G-100 pneumatic spray gun, or dump gun is an easy-to-use way to get a fantastic finish with gelcoat or resin. The 3.0 tip and the 32oz cup make it perfect for any application with few parts to clean!


G-100 Cup Gun

The G100 Spray Gun, also known as a cup gun or dump gun offers an easy-to-use design, along with a 3.0 tip, great for spraying gelcoat, resins and more. This cup gun works great with 32oz paper cups to make cleanup even easier. The design of this spray gun makes for a gravity-fed design, allowing for the most consistent application of resin or gelcoat you can find. With cleanup most times in under 5 minutes, this gun will be ready to go over and over. When spraying with gelcoat or resin, cleanup with Acetone immediately after. 


  1. Charlie Norris

    “I love fiberglass coatings. They have great products and excellent advice. I'm trying to open a boat repair shop in St . Mary's, GA and my supply WILL come from fiberglass coatings. When I lived in the Fl. Keys for 36 years and worked for a towing and salvage Co for 15 years all our supplies came from Fiberglass coatings. Great service and never were disappointed. Keep up the great job everyone.”
  2. Brian Lewis

    “The staff are very knowledgeable and friendly Have always gotten the right stuff for the right job. Pat,mark,Colby,Ryan your the best. Pat is the walking encyclopedia of FGCI.”
  3. Justin Lammers

    “Been working on a skiff project and using all FGCI products. They came highly recommended by my friends who are boat builders. It is the highest quality resins, glass, and gelcoat for the money. They made it really easy for a newer person to boat building. The customer service is phenomenal and they are always knowledgeable and ready to help with any questions I had.”
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