Specialty Products

Specialty Window Film Solutions

Protect. Enhance. Optimize.
Guardian Bastille offers a curated line of specialty window films engineered for unique performance challenges — from privacy and protection to energy savings and visual impact. Each product is designed to deliver lasting value, reduce maintenance costs, and support sustainability initiatives.

Discover Our Specialty Solutions

While not part of our everyday installations, these specialty films serve important roles when unique needs arise — and we’re always happy to oblige. From Casper™ Cloaking Film and Bird Safety Films to Anti-Graffiti Protection, Dry Erase & Writable Films, RF Attenuating Technologies, and Anti-Fog Solutions, Guardian Bastille delivers precision installations that combine innovation, functionality, and design excellence.
Explore the specialty technologies we trust for unique architectural, safety, and performance challenges.

Casper Cloaking Film installed at Boston biotech company conference room, providing screen privacy while maintaining glass transparency.

Casper™ Cloaking Film for Glass Walls

Purpose: Conceals digital screens and monitors from outside view while keeping the glass clear.
Best For: Conference rooms and open offices using large LED or LCD displays.
Key Benefit: Maintains an open, transparent environment while protecting sensitive on-screen data from prying eyes.
See everything — except what’s on the screen.

Bird-safe Feather Friendly window film installed by Guardian Bastille to prevent bird collisions while maintaining building transparency.

Bird Safety Film

Purpose: Prevents bird strikes by making glass visible to birds while remaining nearly invisible to people.
Best For: Commercial façades, campuses, and any glass near trees or reflective landscaping.
Key Benefit: Reduces bird collisions, supports sustainability, and helps meet local bird-safe glass codes (such as NYC Local Law 15).
Protect wildlife — and your building’s reputation.

Anti-Graffiti Window Film installed by Guardian Bastille to protect glass surfaces from vandalism and scratches in a commercial building.

Anti-Graffiti & Surface Protection Film

Purpose: Shields glass, mirrors, and stainless steel from scratching, etching, and vandalism.
Best For: Storefronts, elevators, restrooms, and public facilities.
Key Benefit: When vandalized, simply replace the film — not the glass. Saves thousands in repairs and keeps surfaces looking new.
Invisible protection that pays for itself after the first incident.

3M Dry Erase Whiteboard Film installed by Guardian Bastille to transform glass and wall surfaces into writable, erasable collaboration spaces.

Dry Erase & Writable Films

Purpose: Convert existing walls or glass into modern, erasable writing surfaces.
Best For: Offices, classrooms, training centers, and meeting rooms.
Key Benefit: A clean, writable surface without the cost or bulk of whiteboards — available in clear, white, and projection-compatible finishes.
Collaboration made simple — anywhere you have glass or a wall.

Technical illustration showing RF signal waves deflecting off a window of a secure SCIF building, representing RF attenuating film technology.

RF Attenuating Films

Purpose:
Blocks or reduces radio frequency (RF) and electromagnetic (EM) signal transmission through glass to enhance privacy, data security, and electronic shielding.
Best For:
Government and defense facilities, data centers, healthcare institutions, financial firms, and research laboratories requiring RF or EM protection.
Manufacturer:
3M RF Attenuating Window Film (Guardian Bastille’s preferred partner for secure and technical applications).
Key Benefits:
Provides reliable RF and EM shielding for secure environments.
Helps meet TEMPEST and SCIF compliance standards.
Maintains optical clarity while reducing signal leakage.
Integrates seamlessly into existing glazing systems.
Protects against data interception and electronic eavesdropping.
The result:
Enhanced signal security, uncompromised visibility, and peace of mind for mission-critical environments.

Anti-fog window film preventing condensation on glass refrigeration doors in a grocery store display.

Anti-Fog Film

Purpose:
Prevents condensation and fog buildup on refrigerated display doors and glass cases.
Best For:
Grocery stores, supermarkets, and convenience stores with walk-in coolers or refrigerated display doors.
Where to purchase:Anti-Fog Film (Guardian Bastille’s preferred partner for refrigeration applications).
Key Benefits: Keeps glass crystal clear, eliminating the need for door heaters. Reduces energy consumption by allowing heater elements to be turned down or off. Can qualify for utility rebates and energy efficiency incentives. Improves visibility and merchandising appeal while cutting operational costs. See-through savings — clearer displays, lower energy bills, and sustainability credits...

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