big spacious light empty attic room under construction and renovation. mansard floor and ceiling insulation with rock wool. fiber

apartment architecture attic balk beam brick building carcass carpentry ceiling concrete construction design development diy drywall empty estate floor frame framework heatinsulation house improvement insulation interior light loft log lumber mansard plank plywood property renovation repair residential rockwool roof roofing room space structure unfinished wall walls windows wood wooden woodwork