Browse answers to common questions about commercial security film, solar control, privacy/decorative film, and specialty glazing applications for schools, offices, retail buildings, and public facilities. If you don’t find what you’re looking for, contact us directly — a member of our team will respond within one business day.
Commercial Window Film FAQs
Answers from certified commercial window film installers serving Chicago and Northern Illinois since 1984.
You Have Questions. We Have Answers.
Since 1984 | 100% Commercial | Certified Installers | Serving Chicago & Northern Illinois
Does Chicago require bird-friendly glass?
Not yet. Chicago is considering a bird-friendly building ordinance, O2026-0024083, that would require bird-friendly glazing within 100 feet of grade on new construction and on many renovations, for permits applied for from January 1, 2027. As of October 9, 2026, it is in committee and has not been adopted. Illinois law already requires bird-safe design, but only on state buildings. The proposed ordinance names exterior-applied films that meet American Bird Conservancy criteria as one qualifying method. We cover the details in Chicago's Proposed Bird-Friendly Building Ordinance, and our bird strike film page covers the products we install.
Will window film crack my glass or void my window warranty?
Proper film selection greatly reduces the risk of thermal stress breakage, but no installer can guarantee that glass will never break. Manufacturers publish film-to-glass guidance showing which films are approved for different glass types and when written approval is required. The film manufacturer's warranty may include glass breakage or seal failure coverage when its requirements are met. The original window manufacturer's warranty is separate, and aftermarket film may affect that warranty depending on the manufacturer's terms. We explain how compatibility and warranty coverage are checked in Will Window Film Crack Your Glass?
How much does commercial window film cost?
As of October 2026, commercial window film projects can range from the low thousands of dollars to several hundred thousand dollars. The ranges overlap because price depends on much more than square footage, including the film and system, security attachment, access equipment, removal of existing film, prevailing wage and other labor or scheduling requirements. We explain what moves the price in What Commercial Window Film Costs, and What Drives the Price. For a number for your building, request a free estimate.
Does security window film prevent forced entry for schools and retail buildings?
No film makes glass impossible to break through, but the right system delays forced entry. Security film holds broken glass together. When the goal is to delay an intruder, the film is attached to the frame, typically with a wet glaze structural silicone, so the glass and film stay in the opening longer under attack. Security film systems are used on school entrances, government facilities and retail storefronts. We explain the difference in What Security Window Film Can and Cannot Do.
How can window film help commercial buildings in the Chicago climate?
Chicago buildings deal with summer solar heat gain and winter heat loss through the glass. Depending on the film and existing glass, solar control film can substantially reduce solar heat gain. For example, Solar Gard Sentinel Plus Silver 20 OSW lists up to 82% solar energy rejected on 1/4 inch clear glass. Low-E window film can also improve heat retention during colder weather. The result can be more even interior temperatures and fewer hot spots near the glass. We compare film with replacement windows in Low-E Window Film vs. Window Replacement.
Can window film prevent interior fading of merchandise and office furniture?
Window film can greatly reduce fading, but no film stops it completely. Architectural films from Solar Gard block more than 99 percent of ultraviolet light, a major contributor to fading. Visible light and heat also contribute, so darker or more heat-rejecting films reduce fading further. We can show you the fade reduction figure for the specific film and glass we recommend.
How do you secure glass at Illinois video gaming locations?
Video gaming operators often want stronger glass protection for their equipment and patrons. AAA Glass Tint has installed security film at more than 30 Illinois video gaming locations, typically 8 mil or 14 mil Armorcoat attached to the frame with a four sided DOWSIL 995 wet glaze when the goal is to delay forced entry. We size the system to the glass, the opening and the level of protection required.
What are the best options for office glass privacy and branding?
For most conference rooms and glass partitions, frosted or gradient privacy film is the simplest choice: it blocks the view while keeping natural light. Reflective films give daytime privacy, though they depend on lighting and can reverse at night. For branding, decorative film adds logos, patterns and etched-glass looks to existing glass and can be removed or changed later. Where the goal is to hide screens rather than the whole room, Casper cloaking film keeps the glass visually open. We show samples on your glass before you choose.
How do I choose a commercial window film contractor?
Look at what each contractor is actually proposing, not just the price. A good bid names the exact film, confirms it is approved for your glass, says who will install it, explains the warranty and, for security film, how the film is attached to the frame. Film-to-glass compatibility matters because the wrong film on the wrong glass can risk thermal stress breakage; we explain that in Will Window Film Crack Your Glass? AAA Glass Tint installs with our own crews, provides the manufacturer warranty for the film installed, and is an Armorcoat Certified Partner for security film. For a full checklist, see How to Compare Commercial Window Film Bids.