Lead Lined Gypsum Board UL Certified Mayco
2020-7-18 · The lead lined gypsum board (Type X-Ray Shielded Gypsum) is Underwriters Laboratories® Classified for Fire Resistance (see U.L. Fire Resistance Directory) as tested by UL in accordance with the standard fire tests of building construction and materials per ANSI/UL 263. The lead lined drywall is manufactured to make a complete component system.