Security Access Doors & Panels

Williams Brothers - WB HG-SEC 1100 Series 10 Gauge High Security Access Door / Panel


Williams Brothers’ Security Access Doors and Panels are designed to provide efficient and secure service access to critical areas in wall and ceilings for a wide range of commercial, industrial, institutional and residential applications. Offering heavy-duty, steel construction, our security doors and panels are an excellent choice for locations where security is important. Perfect for both new and retrofit building projects, our security access doors enable easy access to heating, air conditioning, plumbing, electrical and other building systems.

Sizes & Options

Williams Brothers’ Security 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, 14×4, 16×16, 18×18, 24×24 and more. We also offer many additional features like detention locks, gaskets and choice of finishes.


Williams Brothers prides itself on the differences we bring to our security 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.

Product Highlights

Medium Security: Our WB MD SEC 1000 Series Medium Security Access Door features a 12 gauge steel panel and 16 gauge trim. This door assures medium security where necessary under institutional conditions while maintaining critical access to to vital building systems.

High Security: WB HG SEC 1100 Series High Security Access Door features heavy-duty, 10 gauge steel construction and comes prepped for an optional detention lock. This door is ideal for use wherever maximum security is of great importance.