A self-levelling drop seal featuring a unique wrap around gasket designed for optimum acoustic and smoke containment. A clever colour coded band assists with drop seal adjustment.
Tested in accordance with BS EN 1634-3 and BS 476–31.1.
Standard product features
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Mann McGowan DD-1703ACU, is a robust twin adjustable threshold seal which allows the drop mechanism to be adjustable at both ends for both downward movement and tilt control to provide strong even pressure over the entire length, so providing an enhanced seal which can be fine tuned to suit the envi..
Mann McGowan Enviroseal DD-1750 is a robust surface mounted threshold seal providing acoustic, cold smoke and environmental sealing when used in conjunction with suitable doors.DD-1750 has acoustic values of up to 39dB depending on door type selected.High quality aluminium surface mounted threshold ..
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 ty..
Medium Duty
An automatic threshold (door bottom) seal with a high efficiency mechanism which lifts the seal clear of the floor as soon as the door is opened by a few millimetres. No power supply is needed.
Tested for reliability, the seal completed 1 million cycles without fail..