Signal Defence Security Film creates an RF barrier across your building’s glass—without replacing your existing windows. It’s the go-to solution for:
With its discreet design, this film provides electronic protection while preserving the look and light transmission of your glass systems.
Once applied, the film forms a conductive shield that reflects or absorbs electromagnetic energy, minimizing risks of eavesdropping, hacking, or digital leakage through exterior glass.
Centennial’s commercial installation team ensures proper bonding of film to glass and frame. Our process includes:
We ensure compliance with internal security protocols and government regulations during every step of the process.
Planning a full building façade upgrade?
Explore our Curtain Wall Systems and Security Film pages
Signal Defence Film is ideal for:
Combine with Low-E Film for thermal control or Sandblasting & Etching for added privacy and branding.
Unsure if your building is leaking signals through glass?
Centennial Glass installs Signal Defence Security Film to help Ottawa’s commercial, government, and institutional buildings prevent wireless intrusion and protect confidential operations. Achieve physical and digital security with a single solution clear, effective, and built for modern risk.
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