Solar and Low-E
Can Window Film Fix Hot Spots and Glare?
How solar control film fixes hot spots and glare, why a light film cuts heat but little glare, when exterior film rejects more heat, and how to test samples on your own glass.
Commercial Window Film Resources
Technical guidance for facility managers, school administrators, architects, property managers, building owners and the other people who have to make decisions about commercial glass. These articles explain what window film does, what it does not do, what the testing actually shows, and where film is the wrong answer. Everything here is written by a commercial window film contractor and sourced to manufacturer documentation, recognized test standards and independent testing rather than marketing material.
Privacy and Decorative
Window Film for Hospitals and Healthcare Facilities
How hospitals and clinics use window film for privacy, design and pharmacy security, what film does not do for compliance, and how installation works around patient care.
Read Article: Window Film for Hospitals and Healthcare Facilities
Security and Safety
ASTM F3561 and Security Window Film: What the Standard Tests
What ASTM F3561 tests, why it does not rate retrofit window film, the current edition, and what to ask when a specification or bid cites it.
Read Article: ASTM F3561 and Security Window Film: What the Standard Tests
Security and Safety
Smash-and-Grab Protection for Storefronts and Video Gaming Locations
What security window film can and cannot do against smash-and-grab break-ins at storefronts and Illinois video gaming locations, and how the attachment changes it.
Read Article: Smash-and-Grab Protection for Storefronts and Video Gaming Locations
Planning and Procurement
How to Write a Commercial Window Film Specification
A practical guide to writing a commercial window film specification: CSI sections, submittals, performance on stated glass, attachment, inspection and warranty.
Read Article: How to Write a Commercial Window Film Specification
Security and Safety
Security Window Film Grants for Schools, Churches and Nonprofits
Which grants pay for security window film for Illinois schools, churches and nonprofits, what the 2026 rounds offered, and how to be ready for the next one.
Read Article: Security Window Film Grants for Schools, Churches and Nonprofits
Bird Safety
Bird Collision Window Film for Existing Buildings
How to stop birds hitting the windows of an existing building: why bird film goes on the outside, the 2 by 2 spacing rule, ABC threat factors, and what Illinois rules require.
Read Article: Bird Collision Window Film for Existing Buildings
Glass and Technical
How Do Low-E Coatings Affect Window Film?
An existing Low-E coating changes which window films can go on the glass and what they add. How the coating's surface decides the answer, and what to do when a film is not approved.
Privacy and Decorative
Does Privacy Window Film Work at Night?
Which privacy window films work after dark, why reflective one-way film loses its privacy at night, and how to get privacy day and night.
Bird Safety
Chicago’s Proposed Bird-Friendly Building Ordinance: What It Would Require
What Chicago's proposed bird-friendly building ordinance would require, which projects and buildings it covers, and where exterior film fits.
Read Article: Chicago’s Proposed Bird-Friendly Building Ordinance: What It Would Require
Planning and Procurement
What Commercial Window Film Costs, and What Drives the Price
Broad 2026 cost ranges for commercial window film in the Chicago area, what moves the price most, and three real project examples.
Read Article: What Commercial Window Film Costs, and What Drives the Price
Security and Safety
Security Film Attachment Systems Explained
The attachment is what ties security film to the frame. How wet glaze and mechanical systems work, what the frame needs, and how to care for them.