Underground, Fiberglass,
Reinforced, Plastic Duct Work
877-608-4383

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UnderDuct - The better choice for underground HVAC applications.

Fiberglass Reinforced UnderDuct offers many advantages over other material choices.




Experienced Manufacturing:

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 has been approved for direct burial.