Snip Foam and NN acoustical gaskets provide excellent resistance to airborne sound and significantly improve the acoustic attenuation of the window and door assembly. Snip are acoustical gaskets for hinged windoors, like Stay, and are metal-housed, PVC-based, scientifically-designed, laboratory-tested from Anutone and Lorient - the acoustics and the gaskets pioneers respectively, with a rich legacy of products that are tried, trusted and proven.