Our drywall gypsum boards are moisture and mold resistant and are designed for use on interior walls and ceilings specially engineered to provide enhanced moisture and mold resistance. Moisture and Mold Resistant Fire-Rated Drywall/Gypsum Board. Leaded drywall panels will be greater than, or equal to, the attenuation level specified by a health physicist.įor lead thicknesses that exceed 1/8” please refer to our lead lined plywood. Standard drywall panels are available in 48″ widths with 96″ or 120″ lengths. Smaller panels will require more batten strips but the ease of handling these lighter panels will be offset in the extra cost and labour during the installation process. 2″ wide batten strips can be supplied to cover all vertical joints where applicable. Due to the excessive weight, our drywall panels can be customized to smaller widths and lengths to suit most applications. Lead is factory pressure-laminated and adhered to the drywall with permanent adhesive in 48″ widths, equal to the width of the drywall, or in 49″ widths giving the lead a 1″ overlap at the vertical drywall joints. and Canadian Safety Standards for 1 hour and 2 hour fire-rated partition applications. Pure lead sheet meeting Federal Specification QQ-L-201 F, Grade B and ASTM B749-03, Type L51121 is factory laminated under pressure to the back side of the drywall panel. The drywall conforms to ASTM C36 and Federal Specifications QQ-L-201 F, GRADE B, ASTM B-29. All of our leaded drywall product is furnished as type “X” fire code in 1/2″ to 5/8″ thickness with a lead thickness of 1/32″ to 1/8″ maximum thickness.
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