Duct-supply, a division of Louisiana CSI fabricates rectangular and spiral duct for commercial, industrial and residential HVAC systems. Buy manufacturer direct for competitive pricing on duct products made from American sheet metal. For estimates call 225-343-9125 or email sales@la-csi.com for product catalog.
Spiral Duct Manufacturers Association (SPIDA)
Louisiana CSI, LLC are proud members of SPIDA. SPIDA's membership is composed of companies engaged in the quality fabrication of round duct, spiral duct flat oval duct, round duct fittings, and related items within the North American Continent. SPIDA's members promote the advantages, supporting testing and research of round duct and spiral pipe, and providing manufacturers with specialized information.