Solar screens mounted on the outside of windows do an even better job than interior solar screens at limiting solar heat gain, while also providing the same glare and UV reduction. Exterior shades must, however, be engineered for the harsher conditions they need to withstand, especially wind. They not only use sturdier components, but generally have guide systems such as cables or side channels which hold the shade in place. Some of these allow for deployment in significant winds because the shade is so firmly held by the “side retention system”, which also makes the opening “bug proof”.
What we like about exterior solar screens:
- Not visible from inside the residence.
- Great at limiting heat gain, UV and glare.