Area: 471 m2 Use: Butterfy House Year Completed: 2008 Greenhouse Structure: BS6399, 9.8m widespan, Aluminium gutters, continous vents, 16mm polycarbonate. Heating:Hot water, perimeter finned pipes, air curtain heaters and radiator system. Screens: Roll tube screen with ILS60 revolux (fire retardant). fixed meshing in front of roll tube screen & vents to protect butterflies. Electrics: heating, screens, vents, lighting & sockets. Control: Full enviromental control system.