Automatic acoustic and smoke rated door bottom seal which is spring loaded to lift clear of the floor when the door is opened by a few millimetres.

Rebated seal fits into a 28mm x 13mm groove cut into the bottom edge of the door.

Designed to seal a gap in the range of  3mm – 14mm 
Noise reduction Index level of  Rw 37dB.
Seal can be cut back by 95mm.
Satin Anodised finish.

Tested for durability 200,000 cycles completed without failure for fire rated smoke doors.