5/8-in Type X Drywall Panel (Common: 5/8-in x 4-ft x 8-ft; Actual: 0.625-in x 4-ft x 8-ft) Renovation, repair and new construction For interior walls and ceilings When fire resistance rating is required, follow cUL/ULC assembly design Specially formulated core provides excellent fire resistance High-strength core eliminates crumbling and cracking Enclosed in recycled face paper and strong liner back paper Made in Canada ? meets or exceeds Canadian Standards CertainTeed Type X Fire Resistant Drywall Panel (5/8-in x 4-ft x 8-ft)