CLWARD is a leading manufacturer of US-made sheet metal ductwork accessory products. As a company with three generations of experience, CLWARD can provide you with support through our superior quality products, technical information, and customer loyalty. As one of the
originators of the Four Bolt Connector System over 40 years ago, we have been committed to the industry and our customers ever since.

By incorporating the latest manufacturing techniques, we offer a wide range of quality products. By offering technical support, we can assist
in duct design and shop standards. But most importantly we offer customer loyalty with personal service. We pride ourselves in providing
“Service After The Sale” Our wide network of distributors is readily available to meet your sheet metal ductwork accessory needs.