420S DROP SEAL SILVER 730mm

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.

Features

• 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