Fire-Rated Access Doors & Panels

Williams Brothers - WB FRU 810 Ultra Fire-Rated Access Door / Panel with Key Lock


Williams Brothers’ Fire Rated Access Doors and Panels are designed to provide fire protected and secure service access to critical areas in walls and ceilings for a wide range of commercial, industrial, institutional and residential applications. Offering both UL®: and Warnock Hersey® approvals, our fire rated doors are an excellent choice for locations where a fire rated product is required by code. Perfect for both new and retrofit building projects, our fire rated access doors are suitable for use in masonry, plaster or drywall enabling easy access to mechanical, electrical, plumbing and other building systems.

Sizes & Options

Williams Brothers’ Fire Rated Access Doors and Panels are available in a wide range of sizes designed to fit common 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 including drywall and plaster beads, locks, THERMAFIBER® insulation, hot smoke seal gasketing, choice of finishes and custom color paints.


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

Product Highlights

Standard: 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: Our WB FR DW 820 Series Standard Drywall Fire Rated Access Door is a cost effective, uninsulated solution for fire rated locations. It comes complete with 18 gauge steel door and 16 gauge steel trim with a perforated tape-in flange ready for mounting in walls or ceilings.

We also offer fire rated access doors and panels for ceilings, plaster plus uninsulated models for walls only.