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Gypsum drywall panels are
pressure laminated with a permanent adhesive to unpierced
sheet lead and arranged to provide effective lead shielding
through all joints. Gypsum board panels are secured to studs with drywall
screws. Leaded drywall panels will be
greater than or equal to the attenuation level specified by a
health physicist. In addition to drywall, Pitts Little can
apply lead to mold and moisture resistant wallboard as well.
Place leaded side of drywall against studs.
• Drill pilot holes for
screws to prevent deformation of lead.
• A minimum lead overlap of
one inch is required at all joints and corners.
• Extend lead overhang at
least one inch into all frames or openings.
• Fasten lead lined drywall
to studs with screws placed a maximum of eight inches on center.
• Install sheet lead over or
behind all penetrations, cuts, or punctures to ensure
continuity of radiation shielding.
Drywall can be taped, floated
and finished as required. Protect installed materials from
damage by other construction. Have shielding tested by
approved personnel. Shielding must comply with all federal and
Note: For lead thickness up to
5/64” (5#), a one inch lead overhang extends off one side of
the leaded drywall to serve as a batten strip. If lead
thickness exceeds 5/64” (5#), a two inch lead batten strip
will be supplied for each piece of lead lined drywall. Batten
strips are required at all drywall joints.
Typical Details for Lead Lined Drywall:
For lead lined gypsum board prices, give us a call at
205-833-5911 or toll free 800-680-1967.