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ISC Supply 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

ISC Supply 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. 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. ISC Supply fire rated access doors come in a variety of sizes including 8×8, 12×12, 14×14, 16×16, 18×18, 24×24, 36×36, and many more! However, custom sizes are available upon request. Click here to request a quote on custom size fire rated doors.


ISC Supply 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 ISC Supply from other manufacturers, you too will appreciate and demand the ISC Supply difference. ISC Supply is considered to have the highest quality fire rated doors and panels in the industry. Trusted by contractors and specified by architects word wide, ISC Supply is determined to supply and make the best access doors in the industry.

Product Highlights

Standard: Our WB FR 800 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.

Heavy Duty

Our WB FR 710 Series Heavy Duty Security Fire Rated Access Door is an aesthetically pleasing unit featuring a rugged 14 gauge steel door and 16 gauge trim that is laser cut from one sheet of cold rolled steel. For optimal fire protection and superior sound control, THERMAFIBER® industrial felt insulation is sandwiched between two pieces of 22 gauge steel while our Ultra Lock, self-latching paddle latch provides a extra measure of security.


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.

Ceiling Applications Larger than 24 x 36

For ceiling applications larger than 24×36, check out our WB FR-C 800 series access door and panel. The WB FR-C 800 series was recently approved for ceiling applications larger than the size 24×36. The WB FR-C 800 series access door can be used in 1-hour ceilings for sizes such as 20×40, 22×42, 24×44, and 24×48. The WB FR-C 800 series access panel was just tested and approved in San Antonio, TX by Warnock-Hershey. The WB FR-C 800 series is the only fire rated access panel that can be used in the ceiling for sizes larger than 24×36. Click here to learn more about the FR-C 800 series access door!

We also offer fire rated access doors and panels for ceilings, plaster plus uninsulated models for walls only. Other popular access door models include: general purpose access panels, drywall access panels, plaster bead access panels, gypsum access panels, acoustical access panels, duct doors access panels, exterior access panels, aluminum access panels, security access panels, airtight watertight access panels & plastic access panels for specialty needs.

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