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UnderDuct by Monoxivent

Underground FRP (Fiberglass Reinforced Plastic) Duct

Supply, return, and exhaust systems include, but are not limited to:

  • Auditoriums 
  • Auto Exhaust
  • Banks
  • Botanical Gardens
  • Churches
  • High Rise Office
  • Hospitals
  • Libraries
  • Parking Garages
  • Residences
  • Restaurants
  • Schools
  • Super Markets
  • Swimming Pools
  • Zoos

What Is FRP?

Fiberglasss Reinforced Plastic Explained


Fiberglass Reinforced Plastic (sometimes referred to as Fiberglass Reinforced Poylmer) products are a composite of fiberglass and a plastic or polymer resin that when combined, offer a stronger, more durable, more corrosion and heat-resistant product than is found anywhere else.

Using a mold to create the finished product, fiberglass is generally thermoset with a type of plastic or epoxy resin. When cured, the end product will hold its shape because of the resin, while the fiberglass will provide strength and stiffness. Just as important, the resin has additional corrosion- and heat-resistant properties not found in any type of metal products. This technology has led to increased durability and strength in hostile and corrosive environments such as chemical processing plants, food processing, waste water treatment and sewage centers, HVAC, semiconductor plants, power generator facilities, fuel storage tanks and more.

The process came into its own in the late 1970s, surpassing steel and other metals as the preferred choice in thousands of applications. And because molds can be designed in any shape, size, FRP products can be made in virtually any shape and size as well.


>Learn about the benefits of FRP Underground Duct