Colorado Mechanical Closet Door Venting Requirements

 

Scroll down for additional Building Code Requirements for:

  • Denver

 
 

The state of Colorado follows 2021’s International Mechanical Code requirements for closet door ventilation in terms of air flow requirements. This code states that a closet door must allow 100 square inches of free air as makeup air behind the closet.

 

Building compliance for adequate airflow requirements for the state of Colorado, with mention of Denver.

Do I need to vent a 36” wide be 84” tall 2-panel bifold closet door in Colorado? NO

DENVER BUILDING CODE BELOW

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DENVER BUILDING CODE BELOW -

The City of Denver also follows the same guidelines as Colorado. (IMC 2021)