Profile: Armstrong World Industries Ltd. is a provider of building products and ceiling systems. Our core products are mineral ceilings, metal ceilings, wood ceilings and specialty ceilings. Our Orcal Fastrak ceiling is ideal for use with C-profile suspension system. It is manufactured from zinc coated mild steel. It has factory applied polyester powder coat finish. On the other side, Orcal tiles with standard perforation and microperforation are available with factory applied black acoustic fleece. They are supplied with factory applied black acoustic fleece.