The the distance from the center of each repeating corrugation pattern on the sheet of steel deck.
How Is The Pitch Made:
A sheet of metal decking is cold rolled into the desired profile shape, which determines the size of the pitch of each sheet.
Why The Pitch Matters:
The pitch on a specific sheet of decking gives the steel decking its unique profile dimensions. With that profile comes certain properties that are advantageous for various applications. Learn more on The Anatomy of Metal Deck.