Originally Posted by
evankirkhart
I'm no shade expert, but I am going to say this isn't going to work. The shades are calibrated from the factory, and adding to them would also require new fabrics (with different weights). The spring inside will no longer be correctly sized for the shade. If you could get it to work, I doubt you'd save much money at all. Sivoia Triathlon shades are quite reasonable, as electric shades go.
You could give Customer Service a shot, but I highly doubt they'll say anything different.
I'd love to hear other's input on this, I could definitely be wrong.