The Master Builders Association of King and Snohomish County presents a free class on Understanding Mold at 7 p.m., March 21 at the Lynnwood Library.

This class discusses the myths and facts about mold and the danger of mold in the home or business. It focuses on what mold is, how to address it safely and who to seek help from when in doubt about mold and mold damages in a home or business. The class will be taught by Scott Hedges, Disaster Restoration Manager, Servicemaster Cleaning and Restoration and Master Builders Association member.