If your main concern is maximum protection then purchase the 90 solar screen.
How to install solar screens.
Push screen in place so that the brick clips grip the bricks and hold the screen securely in place.
Most all solar screens direct screw to vinyl windows.
For a window solar screen of 36 x 42 size the cost comes around 24.
How to measure install using 3m dual lock with frames be sure you have at least 5 8 of flat smooth window frame surrounding all four sides of the window.
When in use the thickness is about 0 7 inches.
View an example window along with videos photos and more info on how to install here.
As an austin texas solar window screen installer we use small self tapping screws to direct screw our.
The 80 solar screens block 80 of the sun s rays but allow a little bit more visibility than the 90.
Order here your rectangular shaped austin texas solar window screens for vinyl windows.
Alternatively the 90 solar screens block 90 of the sun s rays but the visibility is less then the 80.