Roladuct produces an extensive range of internally insulated spiral duct in round and oval forms for conditioned air handling.

The standard product has a rigid galvanized outer with a 11 percent perforated acoustic inner liner. Various types of perforations and insulation materials are available. A plain non acoustic inner is also an option upon request.

All associated fittings are manufactured under our expert supervision and test fitted to aid your installation.

Method 1

No Capping
Internal & External Joiner

Method 2

Flanged Joint Internal Joiner

Method 3

Flanged Joint
With Capping