Rectangular model
Expansion joints are employed for isolating structure-borne sound and for expansion compensation in ventilators, air conditioner air ducts, and for connections to fire shutters. A fabric suitable for the area of application is force fitted directly into the air duct profiles by means of pressure insertion. The corner joints are sealed additionally.

Configuration
Fabric inserted into air duct profile

Profile
20 / 30 / 40 mm

Corners
Force fitted into air duct profiles and a corner hole drilled

Textile
Made from a polyester or fibreglass composite with various surface coatings

Dimensions
Variable width, height and length