UltraCool exterior silver reflective window films set the industry standard as one of the most powerful and economical solar heat rejecting films providing maximum heat rejection by being the first line of defense against solar heat and glare.Key BenefitsFilming the exterior maximizes heat rejection with up to 82% Total Solar Energy Rejected.Provides a refreshed and uniform look to dated buildings.Maximum heat rejection means maximum saving on air conditioning costs.UV blockers protect people and property from damaging UV rays.Note: Edge seal of natural cure silicone is recommended to encapsulate the edge.