DD1750/630 Mann McGowan 630mm Surface Mounted Drop Down Seal (39dB)

Description

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 seal

Seals gaps up to 13mm

Easy to adjust using slot head screwdriver

Excellent noise-reducing performance up to 39dB

Tested for cold smoke sealing

Available in lengths of 530mm to 1330mm in 100mm increments

Optional end plates and cover plates

Each length can be trimmed by up to 100mm in a simple one cut action.

DD-1750 has been successfully tested to BS EN 1634-3 for cold smoke sealing (air leakage).

Cycling test: 200,000 opening and closing cycles.

Acoustic performance test

Acoustic tests have been conducted in accordance with the standards listed below:

BS-EN 10140-1

BS-EN 10140-2

39dB can be achieved.