Fab & Fix Nu-Mail UPVC Telescopic Letterplate

Conforms to BS EN13724:2002. Sprung loaded 180 degree flap with brush inserts and a colour code frame. When used with an intumescent strip, has achieved a Warrington Fire Test. Report (WF Report No. 165855) 60 Minute within a section of timer based door leaf. Tested to BS 476-22:1987 Fire Tests on Building Materials and Structures when used with an intumescent strip. Narrow 20-40mm aperture size suitable for aluminium doors.