When it comes to security window film, 3M Scotchshield products are the standard that serious property owners rely on. Both the S2400 and the Ultra S800 hold broken glass in place and delayed entry, but they are built for different applications and risk levels. Meridian Window Tint installs both residential and commercial window films throughout Boise and the Treasure Valley.
What Is the 3M Scotchshield S2400 and Who Is It Best Suited For?
The S2400 is 3M's heavy-duty security film and the thicker of the two options at 25 mils. Its polyurethane construction is engineered to absorb impact energy rather than simply resist it, which gives it superior holding power when glass takes a hit. For most Boise homes and businesses, the S2400 is the practical, high-performance choice for everyday security concerns.
What the S2400 Is Designed to Address
- Smash-and-grab break-ins: The film's thickness and tear resistance significantly extend the time required to breach glass, giving occupants more time to respond and increasing the likelihood an intruder abandons the attempt
- Severe weather: Holds glass fragments in place during high winds, hail, and storm debris impact
- Accidental breakage: Reduces injury risk in high-traffic areas by keeping shards contained within the frame rather than scattering across the floor
- Seismic events: Keeps glass intact during minor tremors or structural movement
Who Is It Best Suited For
The S2400 is the right fit for most residential and commercial properties in the Treasure Valley. If your primary concerns are forced entry, weather events, or general glass safety, the S2400 addresses all of them at a security window film cost that makes sense for most budgets. It must be installed with 3M's Impact Protection Attachment Sealant for all applications.
What Makes the 3M Scotchshield Ultra S800 the Highest Performance Security Film Available?
The Ultra S800 is an 8-mil micro-layered film built to a different performance standard than the S2400. While it is thinner, its micro-layered construction delivers exceptional tear resistance and glass fragment retention that meet certified government and industry testing thresholds the S2400 is not rated for.
Certified Performance Testing
The Ultra S800 is tested and rated across four distinct performance categories:
- Blast mitigation: ASTM F1642 and GSA TS01-2003
- Safety glazing: ANSI Z97.1, 16 CFR CPSC 1201, EN 12600
- Break and entry: EN 356 and 3M proprietary tests
- Seismic and spontaneous glass breakage: ASTM E1886
This level of certified documentation is what sets the Ultra S800 apart. For commercial properties, government facilities, or any application where performance must be verified against a published standard, the Ultra S800 is the appropriate specification. It also blocks up to 99% of UV radiation, providing passive energy and interior protection benefits alongside its primary security function.
Who Is It Best Suited For
- Government and municipal buildings
- Financial institutions and banks
- Medical facilities, schools, and childcare centers
- Churches and other religious facilities
- Commercial properties with compliance or liability documentation requirements
- Any property where glass failure under extreme pressure is an unacceptable outcome
Like the S2400, the Ultra S800 must be installed with 3M's Impact Protection Attachment Sealant for windstorm, break and entry, and explosion mitigation applications.
How Do You Choose Between the S2400 and Ultra S800 for Your Boise Property?
The decision comes down to two factors: the realistic threat your property faces and whether your application requires certified performance documentation.
A Side-by-Side Comparison
| S2400 | Ultra S800 | |
| Film thickness | 25 mil | 8 mil |
| Construction | Polyurethane (TPU) | Micro-layered |
| Break and entry resistance | Yes | Yes, EN 356 certified |
| Blast mitigation rating | No | Yes, ASTM F1642 |
| UV blocking | Yes | Up to 99% |
| Best for | Residential and most commercial | High-risk commercial and certified applications |
Questions to Guide Your Decision
- Is your primary concern forced entry and weather? The S2400 handles both and is the right choice for most Boise homes and storefronts.
- Do you need certified blast or safety glazing documentation? The Ultra S800 is the only option that meets published government and industry standards.
- Does your property type carry compliance requirements? Schools, government contractors, and certain regulated facilities may be required to specify a film with verified test ratings.
- What is your cost threshold for security window film? Both films represent a sound investment, but a professional assessment helps match the right product to your budget and risk profile.
For most residential and standard commercial applications in the Treasure Valley, the S2400 delivers everything needed. For properties with elevated risk or those requiring compliance documentation, the Ultra S800 is the correct specification.
Talk to Meridian Window Tint About Security Window Film for Your Boise Property
Meridian Window Tint installs both the 3M Scotchshield S2400 and Ultra S800 for residential and commercial properties across Boise, Meridian, Eagle, Nampa, and the Treasure Valley. As a certified 3M Prestige Premier Dealer, every installation includes professional guidance on film selection and a manufacturer warranty.

