Mann McGowan DD-420S, is a robust threshold seal providing acoustic, cold smoke and environmental sealing when used in conjunction with suitable doors.

                Enviroseal DD1 420S Threshold Seal

                SKU: DD1 420S
                PriceFrom £10.08
                • 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 5 standard lengths 630, 830, 930, 1030 and 1130mm
                  • Optional end plates and cover plates