For this, the higher the number, the better. As an example, someone in a hot climate might consider 3M’s Prestige Sun Control films, which come in both interior and exterior lines, with film ...

and sun control products; sliding and glazing systems; and thermally broken steel, aluminum windows and doors, and wood doors and windows.

and sun control products; sliding and glazing systems; and thermally broken steel, aluminum windows and doors, and wood doors and windows.