What is the maximum recommended height for stored materials in storage areas?

The maximum recommended height for stored materials in storage areas is 18 inches below the sprinkler head. This guideline is critical for ensuring effective fire suppression in case of a fire. By maintaining this height, it allows for adequate water distribution from the sprinkler system to reach and suppress a potential fire. If materials are stored too high, they can obstruct the water flow, diminishing the sprinkler's effectiveness and potentially leading to more extensive fire damage.

This standard is based on the principle that sprinklers need unobstructed access to flames in order to operate correctly. Keeping materials below this specified height helps ensure that when a fire occurs, the water can effectively reach all areas needing protection, reducing both the likelihood of fire spread and damage to the storage area.