Initial construction work that will be hidden by the wall and/or ceiling finish. ROUGH-IN work for the plumbing, HVAC, and electrical trades is completed prior to covering the walls and ceilings. Completion of the ROUGH-IN usually means all parts which penetrate through the wall, floor and roof SHEATHING are in place. The ROUGH-IN work for these four trades is reviewed in the FOUR WAY INSPECTION before the walls or ceilings are covered.
