Superior FRP Doors – Hygienic Doors, Windows & Conveyor Openings

50 Years of Industry Experience Gives us the Edge in Designing Doors and Frame Products Advancing the Food, Pharma and Other Industries We Serve.

All Superior FRP Doors’ products are designed as part of a seamless hygienic system providing the highest level of cleanliness and durability for the end user, in harmony with the US Food Safety Modernization Act of 2011. Superior FRP Doors products have most recently been part of building construction projects for Bell & Evans Poultry Processing, Bluegrass Ingredients, Blue Bell Creameries Ice Cream, Nelson Labs, and the UW Madison Dairy Addition.


For upcoming projects, we can custom manufacture FRP Doors, Windows, and Conveyor Openings to suit your specific needs. All Superior FRP Doors’ products are manufactured in Cuba City, Wisconsin.



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Hover over the boxes to learn more about our Product lines...

Hygienic Doors
Hygienic Windows
Conveyor Openings
Seamless FRP Rooms

The Seamless Hygienic System uses FRP wall and ceiling panels, Superior FRP Doors opening frames, and Curb-It modular wall protection curbs.

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Applications of Our Products:


Food Processing Industries:
· Meat, Poultry & Dairy
· Slaughterhouses
· Fish Processing
· Bakery & Confectionary
· Fruit & Vegetable
· Beverage
· Refrigeration Rooms


Other Industrial:
· Pharmaceutical
· Laboratories
· Hospitals
· Water Utilities
· Indoor Farming
· Cold Storage
· Logistics


· Supermarkets
· Butcher Shops
· Commercial Kitchens
· Restaurants
· Catering
· Retail Shops
· Refrigeration
· Warehousing