An ABS framed, telescopic letterbox with a satin anodised aluminium flap, suitable for use with FD30 fire doors. In the event of a fire the intumescent liner expands rapidly sealing off the letterbox opening, preventing the spread of fire and smoke.
Features & Benefits
- Suitable for use on FD30 fire doors
- The internal brushes provide draught exclusion assisting with energy costs
- The telescopic sleeve allows fitment on doors from 40-80mm thick
- There is a weather seal on the external side of the letterplate
- The letterplate flap opens to 170°
Technical Specifications
| type | Letter Box |
| unit | each |
| width | 270 mm |
| finish | Satin Anodised Aluminum |
| height | 70 mm |
| brand name | 4FireDoors |
| fire rating | 30 Minutes |
| country origin | UK |
| certifications met | Fire tested BS476 part 22. Acoustic tested 32dB Rw. Security tested PAS 23/24 |
| manufacturer model no | FD504 |
| interior or exterior use | Exterior |
Datasheets
Comments (0)
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent