Different from conventional section.   Light weight material makes it noiseless   Strong and can be rolled freely on both sides.   Galvanised steel sections makes it elegant.   Operation free shutter movement gives longer life.   .8mm(21G) slat with more buds to withstand wind load more than 1.2 mm(18g) old conventional section.   Epoxy Primer finish and also available pre-painted in sheet colors: White,Blue,Metallic grey   Also availbale in stainless steel