ClarkDietrich 12″ TradeReady Floor Joist Blocking 16″ O.C. 1200JB16 (10/Box)

TradeReady Floor Joist Blocking is one of the primary components that make up the TradeReady floor bracing system. TradeReady Blocking features a large extruded hole to accommodate HVAC, mechanical, plumbing and sprinkler runs. TradeReady Blocking is pre-cut and formed to fit securely between the floor joists to prevent joist rotation.