Drop Down Seals or threshold seals are designed to work in conjunction with a perimeter seal and where practical a threshold plate. With acoustics, unlike fire and smoke sealing it is essential you seal the threshold of a door as sound will make its way through any crevice available. This automatic drop down seal is light weight with a self-levelling mechanism. This seal has passed a 100,000 cycle test with ease.
The acoustic door seal is adjustable to suit the gap size needed and will not only act as an acoustic barrier but also help keep out drafts and keep in energy!
Use in the following applications
What is the maximum door bottom gap?
The automatic drop seal will extend to a maximum of 15mm.
What size rout do I need to provide for?
14mm wide by 35mm deep
How do I adjust the drop length?
The black actuator button also acts as an adjusting rod, simply pull the button away from the unit and twist it a full 180degree;. Anti-clockwise to lengthen and clockwise to shorten, repeat until desired drop level is reached
What length is the seal?
835mm. The seal can be cut back 150mm to fit doors from 685mm to 835mm.