The World's Largest Access Door Store™
Williams Brothers’ Radio Frequency (RF) Shielded Access Doors and Panels are designed to provide efficient and secure service access to critical areas in walls and ceilings for a wide range of commercial, industrial, institutional and residential applications. Ideal for both new and retrofit building projects, our RF shielded access doors are suitable for use in drywall, plaster or tile enabling easy access to mechanical, electrical, plumbing and other building systems.
Williams Brothers’ Radio Frequency (RF) Shielded Access Doors 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 8×8, 12×12, 14×14, 16×16, 18×18, 24×24, and more. We also offer many additional features such as touch latch operation, locks, gasketing, choice of finishes and custom color paints.
Williams Brothers prides itself on the differences we bring to our radio frequency shielded access doors. 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.
70-80 dB Shielding: Our WB DC-SS 900 Ultra Series Insulated Stainless Steel Data Center Access Door – Sound & Wind Rated is engineered for installation in both interior and exterior walls in critical data center and other high-density infrastructure environments. Featuring heavy-duty, 16 gauge non-magnetic and corrosion-resistant stainless steel construction, enhanced thermal insulation and a continuous double-seal gasket, door provides superior air, moisture and weather resistance. In addition, door offers 70 to 80 dB of radio frequency (RF) shielding, a sound reduction level of STC 62, an elevated wind/structural rating and secure locking.
50 dB Shielding: Our WB DW 405 Phantom™ Series Invisible Fire and Sound-Rated Ceiling Access Panel — Superior to GFRG, with All Drywall Construction is a cost-effective, durable flush access panel for ceiling installation that is perfect for applications where a concealed appearance is required such as high luxury properties including hotels, apartment complexes, educational facilities, lobbies, and government buildings. Featuring lightweight, Type X fire and impact resistant gypsum board construction with a 5/8″ thick frame and 1″ thick door, panels are also moisture, mold, and mildew resistant. In addition, door offers a 45 minute fire-rating, 50 dB of radio frequency (RF) shielding and a sound reduction level of STC 62.
We also offer RF shielded access doors and panels with gaskets, spring loaded action, integrated louvers and removable panels.