F1 Hi-Temp Sandwich® Access Door
To provide easy access to the high-temperature duct. Access door application approval resides with authority having jurisdiction.
The F1 Hi-Temp Sandwich Access Door is for high-temperature duct applications. Its fiberglass rope gasket allows its use with temperatures up to 1000°F.
- No measuring and self-adhesive template provided
- 16 GA black iron backing plate with a smooth interior
- No frame to install and seal
- Effortless opening and closing, which means no special tools are required
- Available in all standard sizes for flat and round duct access doors
- Available in specialty metals
- The two layers of metal inside the door are spot-welded together at the rim
- Inside surface of the door is smooth to reduce friction
- Zinc-coated wing nuts are easily turned by hand, which means no wrenches are required