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The Advantages of Using InspiralR and Floval For Your Application

InspiralR and Floval are pre-engineered, high efficiency duct systems that give your round or flat oval ductwork increased thermal performance. These patent pending systems provide the increased efficiency of round and flat oval ductwork packaged in an extremely lightweight and high quality closed cell phenolic insulation. There's no need to insulate separately as all InspiralR and Floval Ductwork reach a minimum of R-6 insulated value!

round pre-insulated ductwork
Insulated Spiral Ductwork System InspiralR
Thermaduct InspiralR factory spiral duct

R-6 Installed Insulated Values

All InspiralR and Floval ductwork come pre-assembled and ready to install at an R-6 insulated value.

Extremely Lightweight

InspiralR and Floval can weigh a fraction of traditional double wall spiral or flat oval ductwork. This can significantly lower the impact ductwork will have on a building.

Low Air Leakage

InspiralR and Floval are designed to be easy to install and provide customers with low air leakage.

Space Saving

InspiralR and Floval's connection drawbands second as a hanging point for this lightweight ductwork. Tight on ceiling space? Floval is your solution for areas where applications may not allow enough space to wrap ductwork.

10 Year Limited Warranty

InspiralR and Floval are built to last and are proudly backed by a 10 year limited warranty.

Find Out More

Connect with a Thermaduct Representative or Contact Us to learn how Thermaduct can provide high efficiency air distribution for your next application.