Armstrong Ceilings Suprafine 20 Pack 144 in Galvanized Steel Ceiling Grid Main Beam Tile tools ) 28 Manufacturer Warranty Two year ) 28 Manufacturer Warranty Two year limited Certifications and Listings ETL Listed or roses use one as an accent along your fence or wall 144 in x 9 16 in x 1 11 16 in Rotary stitched web for additional torsional strength and extra stability Hot dipped galvanized coating inhibits red rusting better than electrogalvanized or painted systems Heavy duty load performance 240 Lft per carton (20 pieces per carton) Easy to cut and field modify to suit job conditions using standard tools White colored capping SuperLock™ main beam clip is engineered for a strong 5625 Material Galvanized steel Rust Resistant Yes Package Quantity 20 Commercial Residential Commercial Residential Color Finish Family White Manufacturer Color Finish White Warranty 10 year limited UNSPSC 30161600 CA Residents: Prop 65 Warning(s) No