Partially. The effect of Squid can be likened to the effect of frosted glass or a net curtain. During the day it prevents people from seeing in, but this effect...
Yes. Squid reflects a large proportion of heat from the sun before it enters the room. Depending on the colour, 25% to 36% of the sun's energy is reflected.
> Chalk:...
Traditional plastic foil lets some light through, but isn't see-through. So you can't look through it to see outside like you can with Squid. Plastic foil also has...