
Residential & Commercial Window Film
Safety S20 Exterior (2mil)
Safety S20 Exterior is an optically clear 2 mil film for the outside or inside of the glass, giving basic fragment retention if tempered glass breaks spontaneously.
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Residential & Commercial Window Film
Exterior-applied safety film designed to hold broken glass together and improve protection on glazing.
Product highlights
Our specialists will confirm glass compatibility, coverage, legal considerations and current product availability before installation.
Technical data
Use these details for an initial comparison. Confirm final specifications, suitability and availability with our team.
| 3M data | S20 Exterior | S40 Exterior | S70 Exterior |
|---|---|---|---|
| Film thickness | 2 mil (50 µm) | 4 mil (0.10 mm) | 7 mil (180 µm) |
| Application | Exterior or interior | Exterior | Exterior or interior |
| Visible Light Transmitted (VLT, 6 mm clear glass) | 88% | N/A | 88% |
| UV Block | 99.9% | 99% | 99.9% |
| Tensile strength | 25,000 psi | 28,500 psi | 22,000 psi |
| Break strength | 50 lbs/in | 112 lbs/in | 140 lbs/in |
| Peel strength | 4 lbs/in | 7 lbs/in | > 5 lbs/in |
Available options

Residential & Commercial Window Film
Safety S20 Exterior is an optically clear 2 mil film for the outside or inside of the glass, giving basic fragment retention if tempered glass breaks spontaneously.
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Residential & Commercial Window Film
Safety S40 Exterior (SH4CLARXL) is an optically clear 4 mil safety film applied to the outside of the glass to help protect against broken glass hazards.
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Residential & Commercial Window Film
Safety S70 Exterior is a 7 mil optically clear safety film for exterior or interior use, giving enhanced protection if tempered glass breaks spontaneously.
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Tell us what you need to protect. Our specialists will recommend the right solution for your vehicle, home or office.