F1 Hi-Temp Sandwich® Access Door
To provide easy access into high-temperature duct. Access door application approval resides with the 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 – self-adhesive template provided
- 16 GA black iron backing plate with smooth interior
- No frame to install and seal
- Effortless opening and closing – no special tools 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 door is smooth to reduce friction
- Zinc coated wing nuts are easily turned by hand, no wrenches required