RF Shielding. Data Security. Total Transparency.
In today’s digital-first environment, protecting physical spaces also means safeguarding sensitive information. Signal Defence Security Film is a specialized glazing solution that blocks radio frequency (RF) and electromagnetic interference (EMI), preventing wireless intrusion and signal leakage from glass surfaces—all while maintaining full optical clarity. Trusted by government, military, and high-security commercial facilities, this film ensures your data stays where it belongs: inside.
Need to shield sensitive data or secure a classified space?
Invisible Protection for Sensitive Facilities
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:
- Government offices and diplomatic buildings
- Military and law enforcement facilities
- Data centres and server rooms
- Executive boardrooms and financial institutions
- R&D labs and high-tech commercial spaces
With its discreet design, this film provides electronic protection while preserving the look and light transmission of your glass systems.
Key Benefits
- EMI/RF Blocking
- Prevent Data Theft
- Discreet Protection
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.
Installed for Maximum Holding Strength
Centennial’s commercial installation team ensures proper bonding of film to glass and frame. Our process includes:
- RF performance assessments for glass applications
- Seamless integration into curtain walls, doors, and partitions
- Conductive edge sealing where required for full shielding
- Compatibility with tempered, laminated, and IGU glazing
- Coordination with architects, security consultants, and IT teams
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
Ideal for High-Security & Executive Spaces
Signal Defence Film is ideal for:
- SCIFs and secure boardrooms
- Government meeting rooms
- Network operation centres (NOCs)
- Financial and legal offices
- Tech firms protecting IP and data
Combine with Low-E Film for thermal control or Sandblasting & Etching for added privacy and branding.
Why Choose Centennial Glass?
- Trusted partner for high-security glazing in Ottawa for 55+ years
- Experience working with federal, municipal, and military facilities
- Technically-trained installers and discreet project coordination
- Products tested to meet EMI and RF shielding performance standards
- Maintenance, inspection, and ongoing support available
Unsure if your building is leaking signals through glass?
Stop Signals. Secure Spaces.
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.
- Call 613-738-9500
- Visit Our Showroom at 8–855 Industrial Avenue Ottawa ON K1G 4L4
- Request a contractor quote