The Comaglio Automatic draught stoppers are removable and patented.

All No Sound series have successfully passed acoustic testing in a recognised European test laboratory.
The Comaglio mechanism with double adjustment, silicone hardware and reinforced profiles guarantees
a perfect floor seal and therefore perfect sound insulation. It is possible to fit the this series with a silicon seal which is self-extinguishing and certified for use with on fire doors.

NO SOUND series products:

1770NS | 1800NS | 1370NS | ISOLA

click on serie name for more details