This intumescent anodised aluminium letterbox in satin finish from FireSTOP has a telescopic sleeve that suit doors of 40-80mm thickness. It tests all ok for fire, smoke and acoustic and other security features. It is fitted with brush pile draught excluders and can be used for both internal and external doors as well.
- Suitable for use on FD30 fire doors
- Internal brushes provide draught exclusion
- Telescopic sleeve allows fitment on foors from 40-80mm thick
- Weather seal on the external side of the letterplate
- Letterplate opens to 170°