background of many gray plastic dowels fastening for thermal insulation. a huge pile of plastic bolts with round holey hats lie

anchor architecture background bolts build building color construction diameter dowel dowels dowelumbrella equipment expanded facade fastening fix fixing fixtures foam fortifications gray hats heat holey home house huge industrial industry installation insulation lie lies many material mortar object outdoor panels part peg pile plastic plate plug polyfoam polystyrene preparing repairs round rubber saver spigot styrofoam technology thermal umbrella wall white