DUCTWORD.

Insulated Ducts

Energy-efficient insulated flexible ducts designed to minimize heat loss and condensation in HVAC ductwork. Available in R4.2, R6, and R8 insulation grades with optional soundproofing.

R4.2 / R6 / R8 insulation valuesFiberglass & polyester wool optionsVapor barrier outer jacketSoundproof models availableEnergy code compliantCondensation prevention

Available Models (4)

Fiberglass Insulated Flex Duct

Fiberglass Insulated Flex Duct

Standard fiberglass wool insulated flexible duct with aluminum foil inner core and metalized polyester vapor barrier. 25mm (1") fiberglass insulation at 16 kg/m³ density. Industry standard for residential HVAC.

Inner DuctAluminum foil + steel wire helix
InsulationFiberglass wool, 16 kg/m³
Insulation Thickness25mm (1")
DetailsGet a Quote
Polyester Insulated Flex Duct

Polyester Insulated Flex Duct

Polyester wool insulated flexible duct — a fiberglass-free alternative. Non-irritant polyester insulation at 200 g/m² density. Ideal for environments where fiberglass particles are a concern.

Inner DuctAluminum foil + steel wire helix
InsulationPolyester wool, 200 g/m²
Insulation Thickness25mm (1")
DetailsGet a Quote
R6 / R8 Insulated Flex Duct

R6 / R8 Insulated Flex Duct

High-performance insulated flexible ducts rated R6 (40mm) and R8 (80mm). Designed for energy code compliance in attics, crawl spaces, and unconditioned areas where maximum thermal performance is required.

Inner DuctAluminum foil + steel wire helix
InsulationFiberglass wool, 16 kg/m³
R6 Thickness40mm (1.6")
DetailsGet a Quote
Soundproof Insulated Duct

Soundproof Insulated Duct

Acoustically lined insulated flexible duct with non-woven fabric inner core for superior noise reduction. Reduces HVAC system noise by up to 25 dB. Perfect for bedrooms, offices, and recording studios.

Inner CoreNon-woven acoustic fabric + steel wire
InsulationFiberglass wool, 16 kg/m³
Insulation Thickness25mm (1")
DetailsGet a Quote

Need Custom Insulated Ducts?

We offer OEM manufacturing, custom sizing, and private label packaging. Share your requirements and get a quote within 24 hours.

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Frequently Asked Questions

What types of insulated ducts do you offer?
We offer 4 products in the Insulated Ducts category. Energy-efficient insulated flexible ducts designed to minimize heat loss and condensation in HVAC ductwork. Available in R4.2, R6, and R8 insulation grades with optional soundproofing. Contact us for detailed specifications and pricing.
What is the MOQ for insulated ducts?
Minimum order quantities vary by specific model and customization. Standard catalog items typically start at small quantities. Custom or private label orders usually require 500–1,000 pieces. Contact our sales team for precise MOQ and pricing.
Do you offer OEM manufacturing for insulated ducts?
Yes, we provide full OEM services including custom sizes, materials, branding, and packaging. With 25+ years of manufacturing experience and self-designed production equipment, we can accommodate most custom requirements.
What is the lead time for insulated ducts?
Standard catalog items ship within 15–20 business days. Custom or OEM orders typically require 30–45 days depending on complexity and quantity. Rush orders may be available for select products.