Duct Access Doors
Williams Brothers’ Duct Access Doors are designed to provide efficient and secure service access to critical areas in rectangular metal ducts for
a wide range of commercial, industrial, institutional and residential applications. Offering economical, galvanized steel construction, our
duct access doors are an excellent choice for locations where HVAC access is required. Perfect for both new and retrofit building projects,
our duct doors enable easy access to dampers and other components in heating, air conditioning and other building ductwork.
Sizes & Options
Williams Brothers’ Duct Access Doors are available in a wide range of sizes designed to fit common ductwork dimensions with special sizes and modifications
available upon request. We also offer many additional features including knock-over edges, locks, gaskets and viewports.
Williams Brothers prides itself on the differences we bring to our duct 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.
Standard: Our WB CAD 1400 and WB HAD 1410 Series Series Duct Access Doors feature 26 gauge, galvanized steel construction with
either a double cam or hinged insulated door. Knock-over edges provide for a quick and simple installation wherever duct access is required.
Walk-in: The WB WIN 1700 Series Series Walk-in Duct Access Door features double wall, 20 gauge galvanized steel construction with
exterior and interior door handles. Door is also available in stainless steel for use in damp locations.
Other popular access door models include: general purpose access panels, fire rated access panels,
drywall access panels, plaster bead access panels,
gypsum access panels, acoustical access panels,
exterior access panels, aluminum access panels,
security access panels, airtight watertight access panels & plastic access panels for specialty needs.