Home > Technology > Products > Bilco Security Series Products Posted on: July 07, 2009 Share on Facebook Share on Twitter Share on LinkedIn Safety & Security Bilco Security Series By Jennifer Lash The Security Series roof hatch from Bilco is suitable for use in high-security applications such as banks, pharmacies, and correctional facilities. The design prevents unauthorized building access, and tamper-proof hardware and security fasteners are used throughout. The hatch, made of heavy-gauge materials, is fully insulated and gasketed, and it features engineered lift assistance to allow for easy, one-handed operation. bilco.com About the Author Jennifer Lash Jennifer Lash is an award-winning editor with over 15 years of experience within the residential construction industry.