architectural interior cutaway visualization modern residential room clean white interior walls light wood plank flooring recessed ceiling lights soft natural daylight from large windows vertical wall cutaway section revealing interior wall assembly in correct construction order pressure treated wood studs batt insulation fitted between studs continuous polyethylene vapor barrier behind drywall interior drywall finish with taped and compounded joints metal corner bead at exposed edge electrical wiring routed through studs standard electrical outlet box installed within the wall cavity clean precise cut edges realistic material textures accurate wall thickness neutral color palette professional architectural visualization high realism no stylization