Q-LON Overlap: for the first time white.

Q-Lon Overlap is the first white foam gasket for aluminum windows that combines excellent thermal insulation with exceptional acoustic performance.


Q-Lon Overlap is the first white foam gasket for aluminum windows that combines excellent thermal insulation with exceptional acoustic performance.

Q-Lon is a technological innovation in the world of gaskets. Q-Lon is made of polyurethane foam with a polyethylene coating that can be combined with the color of the profile on which the gasket is installed.

SchlegelGiesse has decided to bring the potential of the Q-Lon range into the world of aluminum by creating the first Q-Lon specifically for aluminum casement windows. Q-Lon Overlap is the first rabbet gasket in which aesthetic properties merge with innovative technological features to create a top-level product within the seals sector. The Q-Lon Overlap gasket stands out from its competitors for its exceptional thermal insulation properties (thermal conductivity 0.041 W/mK) and the excellent acoustic insulation it gives to the windows on which it is installed.

Q-Lon Overlap can be inserted sliding along the channel or frontally and can be easily removed. Moreover, it does not need to be cut at the corners and can therefore be installed without interruption along the entire perimeter of the sash. Thanks to the properties of the materials with which it is produced, Q-Lon Overlap has excellent recovery after compression.

Q-Lon Overlap is EN12365 certified.

  • Q-LON Overlap: for the first time white.