CeilingMAX 100 sq. ft. White Surface Mount Grid Kit CeilingMAX Grid System is made of PVC vinyl material providing durability Compatible with 2 ft. x 2 ft. or 2 ft. x 4 ft. surface-mount ceiling tiles to conserve up to 6 in. of ceiling height in dropped or suspended ceilings; can replace old tile ceilings or covers floor joists, plaster or drywall 100 sq. ft. of coverage (210 lineal ft.) per carton Snap-in design allows easy installation Kit includes seven 8 ft. top hangers, seven 8 ft. runners, twenty-five 2 ft. cross tees and six 8 ft. wall brackets