The World's Largest Access Door Store™
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Williams Brothers’ 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. Perfect for both new and retrofit building projects, our access doors enable easy access to mechanical, electrical, plumbing and other building systems.
Williams Brothers’ Access Doors and 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 8×8, 12×12, 14×4, 16×16, 18×18, 24×24 and more. We also offer many additional features like pre-installed gypsum boards, locks, weather resistive gaskets, choice of finishes and custom color paints.
Williams Brothers prides itself on the differences we bring to our 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.
General Purpose Door: Our WB GP 100 Series Premium Access Door is ready for the most demanding durability and aesthetic needs. The industry’s premier door is laser cut from one sheet of 14 gauge steel and features an 18 gauge steel trim that is welded on all sides, lending it unparalleled strength and rigidity.
Fire Rated Door: Our WB FR 800 Series and WB FRU 810 Series Standard Fire Rated Access Doors are ready for the most demanding durability and fire protection needs. The industry’s leading fire rated doors feature an 18 gauge steel door with 16 gauge trim plus THERMAFIBER® industrial felt insulation for optimal fire protection and superior sound control. For added security our WB FRU 810 includes our Ultra Lock, self-latching paddle latch.
Drywall Door: Our WB DW 400 Series Drywall Access Door offers a flush panel design with a 14 gauge door and 16 gauge steel frame with a bead flange ready to be taped into drywall. This superior design removes any aesthetic distractions that would be common for surface mounted units.