UnderDuct by Monoxivent provides the most versatile and cost effective Underground Fiberglass Reinforced Plastic Duct (FRP) on the market. We provide a wide range of solutions for the most demanding environments to standard layouts.
UnderDuct – The better choice for underground HVAC applications.
Fiberglass Reinforced UnderDuct offers many advantages over other material choices.
Monoxivent’s manufacturing source has over 40 years of experience and is a leader in the Underslab Fiberglass Ductwork market. Monoxivent has a North America-wide network of sales representatives and a top-tier inside support crew, that provides engineering, design, sales, service, and marketing. UnderDuct is offered both as single wall and pre-insulated double wall duct to meet any ventilation needs. Monoxivent 824 Low Smoke Class 1 duct is approved for direct burial.