The World's Largest Access Door Store™
Williams Brothers’ Reinforced Gypsum and Cement Access Panels are designed to provide efficient and secure service access to critical areas in drywall ceilings for a wide range of commercial, industrial, institutional and residential applications. Offering lightweight gypsum or cement construction, our tape-in panels are an excellent choice for locations where a functional, aesthetically pleasing installation is desired. Perfect for both new and retrofit building projects, our gypsum and cement ceiling panels enable easy access to mechanical, electrical, plumbing and other building systems.
Williams Brothers’ Reinforced Gypsum and Cement Access Panels are available in a wide range of sizes designed to fit common framing dimensions with special sizes and modifications available upon request. Popular sizes include 9×9, 12×12, 18×18, 24×24, and more. We also offer many additional features such as hinged doors, latches and locks.
Williams Brothers prides itself on the differences we bring to our access doors and panels. Our dedication to manufacturing quality makes us the choice for construction companies, architects, and engineers that demand the best access doors and panels in the world. Once you see what separates Williams Brothers from other manufacturers, you too will appreciate and demand the Williams Brothers difference.
Drop-in: Our WB GY 3000 Series Glass Fiber Reinforced Gypsum (GFRG) Ceiling Access Panels offer a push out type panel that features glass fiber reinforced gypsum construction with no warping, cracking or sagging. Designed for tape-in installation, panel is also moisture resistant to prevent mold and fungus growth.
Hinged: Our WB GY 3100 Series Glass Fiber Reinforced Gypsum (GFRG) Hinged Access Panels offer a hinged panel that features the same reinforced gypsum construction, exceptional appearance and high compressive strength as our WB GY 3000 Series. Also designed for tape-in installation, panel offers a hinged door with cam latch or key operated lock plus is moisture resistant to prevent mold and fungus growth.