Exterior Access
Sentinel Plus is installed on the outside surface when interior access is impractical or disruptive.
Sentinel Plus Exterior 8-mil Clear is an exterior-applied Solar Gard safety film for facades where interior installation is not practical. It keeps the glass appearance clear at 87% VLT while adding 8 mil fragment-retention construction to the outside surface. The exterior placement is the defining feature, so access planning and facade conditions are part of the product decision.
That makes it useful for high-rise curtain walls, atriums, and occupied institutional buildings in Center City, University City, and the Navy Yard where tenant access can be complicated. The film supports retrofit safety planning without changing the interior buildout. That matters on occupied buildings where moving furniture, disrupting tenants, or entering secure spaces would complicate the work. For Sentinel Plus Exterior 8-mil Clear, that local fit is shaped by its 87% VLT, up to 21% heat rejection, and the way the finish reads from both inside and outside.
The spec lists Clear appearance, SHGC 0.79, and over 99% UV blocking. Like any safety film, it should be described as helping retain glass fragments and delaying forced entry, not as absolute protection. The specification should be reviewed against glass type, seal condition, height, and exposure before the final recommendation is made.
Choose it when the project needs exterior access, a clear view, and Solar Gard Armorcoat-style safety function. It is distinct from interior Armorcoat because the application side solves a different building access problem. It is strongest when the building needs a facade retrofit rather than a conventional interior window film scope. That is why the product page keeps the specification tied to a practical Philadelphia use case instead of treating every film in the series as interchangeable.
Sentinel Plus is installed on the outside surface when interior access is impractical or disruptive.
The film provides up to 21% heat rejection with SHGC 0.79 in the single-pane spec.
over 99% UV blocking helps protect finishes, furnishings, and occupants near exposed glass.
| VLT | 87% |
|---|---|
| Heat Rejection | up to 21% |
| UV Block | over 99% |
| Thickness | 8 mil |
| Warranty | 10yr limited warranty |
| Series | Sentinel Plus Exterior |
| Brand | Solar Gard |
Exterior-rated film for curtain wall areas and sun-exposed commercial glass.
Performance upgrades where tenant operations make interior access difficult.
Solar control for hard-to-reach overhead or high-elevation glass.
Window Film Philadelphia installs Solar Gard and Armorcoat films. Contact us for a free site assessment.
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