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ENVIROSEAL 30MIN MORTICE DROP SEAL 930MM DD420S-930
Part Code: M420S-930
DD-420S Threshold Seal
Mann McGowan DD-420S, is a robust threshold seal providing acoustic, cold smoke and environmental sealing when used in conjunction with suitable doors.
DD-420S has achieved a 30 minute fire rating when tested to BS 476 pt. 22 1987.
Acoustic values of upto 34dB can be achieved depending on door type selected.
High quality aluminium threshold seal
Seals gaps up to 13mm
Simple to fit with slide and click mechanism
Easy to adjust using slot head screwdriver
30 minute fire rating
Excellent noise-reducing performance up to 34dB
Available in 3 standard lengths 630, 930 and 1130mm
Optional end plates and cover plates