STAR ROLLING® Perforated See-thru Roller Shutter base material is made from 1st-grade superior alloy zinc & aluminum-coated steel both in strength and anti-rusts like Zincalume® and ZACS® with beautiful polyester powder coat finish. It gives the well-balanced between 3 elements "airflow, display, and security." Its common applications include carpark, loading bay, security compartmentalization between floors for residence, shopfront protection.