Aeroduct Flexible Duct Connector Fabrics Receives UL

Clients, Consultants, and Contractors related to the MEP industry , now have the added advantage of UL Classification when using the Aeroduct range of Flexible Duct Connectors. This step further reiteriates the commitment from Hira Industries to manufacture products meeting the highest international standards. National, regional, city , Civil Defence and other municipality regulatory requirements establish that materials used in bulding construction be certified or evaluated by a recognized third party before they can be approved for use. All these institutions readily accept UL classification as a mark for quality products.


UL is a global independent safety science company with more than a century of expertise innovating safety solutions from the public adoption of electricity to new breakthroughs in sustainability, renewable energy and nanotechnology. Dedicated to promoting safe living and working environments, UL helps safeguard people, products and places in important ways, facilitating trade and providing peace of mind.

Choosing UL as the global component certifier shows a company’s commitment to the highest levels of safety and quality. UL’s component certification program drives supply chain and product integrity through rigorous examinations and follow-up surveillance.

UL’s performance testing provides objective confirmation of product performance claims by simulating anticipated everyday product usage in controlled laboratory settings.

UL factory inspections provide customized product inspection support, based on customers’ predefined parameters or customer-accepted specifications. These inspections provide retailers, buyers and original equipment manufacturers confidence in the quality of the suppliers that they work with as well as the reliability of the products that are sourced from these suppliers.

The UL testing on Aeroduct fabrics cover Neoprene and Silicon coated Fiberglass fabrics, and Vinyl fabrics. A flame is applied on each sample and parameters tested include flame spread, Afterglow and Flame Dripping. Besides UL listing, Aeroduct fabrics are also rated Class 1 as per BS 476, Part 7; Class 1 as per ASMT E 84 and Aeroduct Silicon is the only fabric which is rated for use at 400 deg C for 2 hrs. The UL classified range of fabrics are also used to manufacture Aeroduct Insulated Duct Connectors.