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Williams Brothers GY 3000 Series Lightweight Gypsum Ceiling Access Panels
A state-of-the-art lightweight gypsum based formula that exceeds all required specifications that the market expects. Manufactured from inorganic material and with 70% post-consumer recycled glass, using a patented composition that consistently provides a superior product. Our gypsum panel is lightweight, and features exceptional definition, high compressive strength, and zero mold and fungus growth. Moisture resistant, no warping, cracking or sagging.
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Options and Accessories  Warranty 


  • Door & Frame: 5/8" lightweight Gypsum, drop in door 
  • Ceiling Installation: Access panels are installed using standard supplies, screws are #6 bugle head. Joints are filled with standard tape and joint compound, then sanded. The access panel has edge thickness to accommodate 5/8" drywall. Therefore, shimming may be required if adjacent material is not 5/8". Substrate material is determined by job site conditions. The panel does not require framing, but can be connected to adjacent drywall using blocks or studs.
  • Finish: Unpainted natural grey Gypsum


  • Acudor Products Inc - N/A
  • Babcock-Davis - N/A
  • Cendrex Inc. - N/A
  • ELMDOR Manufacturing Company - N/A
  • Karp Associates, Inc. - N/A
  • J.L. Industries - N/A
  • Larsen's Manufacturing - N/A
  • MIFAB Manufacturing, Inc. - N/A
  • Milcor - N/A
  • Nystrom Building Products - N/A
  • Williams Brothers - GY 3000
  • Wind-Lock - TR-AP Stealth Access Panel

    12 x 12 18 x 18
    18 x 18 24 x 24
    24 x 24 30 x 30