770AA Adjustable Perimeter Gasketing Acoustic Door Seal Set Best Precision Exit Device Trim Accentra (formerly Yale) 1109 x

Accentra (formerly Yale) 1109 x 1765

Double Acting for wood or steel doors and frames

Sargent 475

MA521B-DN-613

770AA Adjustable Perimeter Gasketing Acoustic Door Seal Set Best Precision Exit Device Trim Accentra (formerly Yale) 1109 xThe Zero 770AA adjustable perimeter door seal, comprising of a solid one piece clear anodized extruded aluminum case, with a solid neoprene gasket and inner sidewall neoprene sound dampening pads. This seal is ideal for Sound Trapping loud noises, blocking light, and containing smoke, and fire (refer to individual product ratings for details). It uses countersunk stainless steel adjusting screws to ensure sealing adjustments of up to 7. 9mm to allow