Worker in respirator and Tyvek suit sprays second closed cell foam insulation on the house wrap and studs of newly constructed exterior wall

tyvek insulation ppe sprayer respirator overspray worker tradesman contractor hazardous spray wall urethane personal protection paint safety scaffold gloves conservation construction dangerous equipment house wrap closed cell suit cieling blue colar professional hose protect covverall man foam mask scaffolding corner ceiling garage observe energy home goggles barn watch calculus infinity studs close up