MINIMUM REQUIREMENTS FOR WOOD DECKS - IRC 2009
1. Deck Guards: a. Deck guardrails shall be a minimum of36 inches (914 mm) in height and constructed to withstand a concentrated load of 200 pounds (91 kg) applied at any point and in any direction along the top railing member. IRC 312.1 b. Open guards shall have balusters or be of solid material such that a sphere with..