protect installed duct from fireproofing, paint, concrete, and drywall work temporary support handling protection protect duct from fireproofing paint concrete drywall dust overspray installed duct cover openings cover or isolate installed duct and openings using the project-approved protection method before nearby spray, grinding, painting, concrete, or drywall work begins. keep access, labels, and required inspections visible. the fireproofing crew starts above this open main tomorrow. what protection do you want installed, and who is responsible for removing and inspecting it afterward?