Types of systems vary depending on their design characteristics. They are either concealed or exposed systems, and wet or dry.
Piping, heads, valves, meter and hangers.
The type of system has a bearing on the quality selection. The wet system has water in the lines, while the dry system may pump water into the lines from a storage tank when required. Concealed dry systems are the most expensive and exposed wet systems are the least expensive.
Enter the following for this component:
Percent of Total Floor Area: 1 – 100, or
Floor Area (Square Feet)
Fire Protection