Home > Manufacturer Safety Notices
At Modern Builders Supply, safety is a top priority—for our customers, contractors, and the communities we serve. This page is dedicated to sharing important safety notifications, recalls, and technical bulletins issued directly from our manufacturers and product partners. These notices are intended to keep you informed about any potential risks, recommended actions, or product updates that may affect the materials you use on the job every day.
Please review the information below and check back regularly for updates. We are committed to keeping you informed so you can continue to work with confidence and peace of mind.
Roof & Gable Mounted Electric Attic Fans (2003–2013)
Air Vent has issued a safety notice for certain electric attic fans sold from 2003 to 2013 equipped with Powermax motors, which may pose a thermal risk. Affected models include several units with DM (ASIA) LTD motors. If you purchased any of these units, please review the full notice for details on how to identify and quarantine affected products.