Lead Backed Drywall
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Lead backed sheet rock, also known as lead lined drywall, or lead lined wall board, and lead backed gypsum is required in almost every radiation imaging room.
We can provide it on either 1/2" non-rated or 5/8" fire rated sheetrock gypsum wall board. Our board meets ASTM C 1396, and the pure sheet lead we use meets Federal Specification QQ-L-201 F, Grade C and ASTM B749-03, Type L51121 factory laminated under pressure to the back side of the drywall. It is custom manufactured to customer specifications and is typically available in 2 days.
- Standard size is 4ft x 7ft lead on 8ft board.
- Typical fabrication time is 2 days.
- Available in 1/2" and 5/8” drywall (5/8" standard)
- Includes one 2" vertical batten strip per sheet for joints and 50 lead discs per sheet that can be placed over the screw heads
- We have 11 standard lead thicknesses for lead lined drywall ranging from 1/64" (1#) to 1/4" (16#)
- We can fabricate lead lined plywood for heavier lead thicknesses from 1/8" (8#) to 2" (120#)
- Lead height is the federal minimum of 7'0"
- Lead can optionally be up to 12'0" high (standard is 7' lead on 8' board)
- Optional Mold Resistant or Abuse Resistant wall board
Shielding accessories are included for lead backed drywall or lead lined sheetrock installation include a 2" wide lead batten strip for vertical joints, lead discs for screw penetrations, and optional lead corners.
- Sheet lead backing must be equal or greater value as the lead in the wall partition where penetration occurs.
- Radiation shielding shall be designed by a qualified expert (radiation physicist, medical health physicist, or county health officer who is competent to design radiation shielding for medical x-ray imaging facilities.
- The qualified expert is a person who is certified by the American Board of Radiology, American Board of Health Physics, or the Canadian College of Physicists in Medicine) to ensure the required degree of protection is achieved.
- The qualified expert should be consulted during the early planning stages since the shielding requirements may affect the choice of location of radiation facilities and type of building construction.
- The qualified expert should be provided with all pertinent information regarding the proposed radiation equipment and its use, type of building construction, and occupancy of nearby areas.
- It may be necessary to submit the final shielding drawings and specifications to pertinent regulatory agencies for review prior to construction.