White is on the exterior facing side of the shade material to reflect out the heat.
Understanding Solar Terminology
Openness Factor is the amount of sunlight that passes through the material.
RS(Solar Reflectance) is the total amount of heat that is reflected back out of the window glass. Reflected heat is pushed out and consequently will not heat up the room. All necessary hardware and installation instructions are included with shades. Valence and fascia systems are available upon request to hide the roller.
UV Transmission is the amount of ultraviolet light passing through material