Illinois Mechanical Closet Door Venting Requirements

 
 

The state of Illinois follows 2015’s International Mechanical Code requirements for closet door ventilation in terms of air flow requirements. This states that an opening having an area of not less than 100 square inches, shall be provided in the closet enclosure.

 

Do I need to vent a 36” wide be 84” tall 2-panel MAGIGLIDE bifold closet door in the state of Illinois? NO