Solar shades are designed to allow you to see out, but other's not see in, providing daytime privacy. The exact opposite is true at night! When a light is on in the room, people outside will be able to see directly into your home.
Daytime Privacy and Reflective Window Film.
It's a privacy window film where you see out but not in (only during the daytime). A benefit of a reflective window film is that you can still see out of your windows and enjoy your beautiful views without darkening your rooms.
Sheer shades and zebra shades – also called dual shades – are one of the most ideal choices for privacy in any room. This combination of a privacy protector and light filter will allow you to enjoy your surroundings when it's light, but will also block the outside view .
Blackout roller blinds offer the most privacy, however sacrifice the light. As a happy medium between voile and blackout, we would suggest any of our dim-out fabrics which though do reduce the light, do not block it out completely.
Woven wood shades, sometimes referred to as matchstick blinds, are a popular choice for those looking for privacy at night. They're made from natural materials such as bamboo, jute and reed. When lowered, they provide complete privacy while still allowing some light to enter your home.
When it comes to roller blinds, it is possible to see through them at night, if there is enough light. If you are looking for privacy, however, thicker roller blinds will offer more coverage. The same goes for blackout roller blinds; they will completely block out any light from coming in.
However, if you adjust the blind to align the sheer stripes, they function more like voile or net curtains; which will generally be opaque from outside in the daytime, but which can be seen through when it's dark outside and the lights are on inside.
Venetian Blinds
Venetian Blind, wood blinds, and faux wood blinds allow to regulate the light and so the privacy.
If your blinds are completely closed, as in you can't see anything through them, then they can't see in, but they might be able to see shadows if your lights are on at night and your standing near the window. Go outside at night with your lights on inside and see if you can see through. That'll answer your question.
If the window is on the ground floor, the blind should be closed slats up. Otherwise, people can see in from the floors above. If, however, you are on an upper floor and the slats are up, anyone can see in from the ground floor. For that reason blinds on an upper floor should close slats down.
Blackout Privacy Shades
For the highest level of privacy and complete light blockage, blackout shades are the way to go.
You can press the shortcut (ALT+A, which is changeable by clicking the toolbar icon) or you can hover your mouse over the top of a window and click the down arrow that appears, then select "Opacity." WindowTop also has the click-through feature that Peek Through has.
Whether others outside can see through blinds or not at night really depends on the type of binds you use and the fabric materials on it: blackout, transparent, or translucent. Generally, what you see outside through blinds during the day is what others will see inside at night.
The best way to determine this is to close your blinds during the day and see if you can see out. The amount that you can see out during the day is generally what people can see in at night with your lights turned on inside your home.
No, people outside would not be able to see anything of inside, not even movement close to the window, nor the shapes and outlines of things. They would, however, be able to see a diffuse glow of light if you have a reasonably bright light not too far from the window.
If you want to make your blinds less see-through, you can use privacy liners or blackout liners. Privacy liners will keep people from seeing into your home but will still let some light through.
Blind boxes or ceiling pockets
With blind boxes, the roller mechanism can be hidden inside the ceiling or the wall, depending on the style of the windows. Most commonly, in residential settings a headbox is used to conceal blind mechanisms on windows and doors.
From the outside, Luxaflex® Day & Night blinds do offer privacy as the light outside is brighter than the interior light.
Zebra blinds, also called dual blinds, are a modern roller blind alternative to horizontal blinds. Consisting of alternating horizontal opaque and sheer fabric stripes, these blinds transition from day to night easily.
The greatest advantages of Day and Night blinds include the possibility of a smooth change of light intensity entering the room. The double fabric gives the possibility of darkening and uncovering so that the room darkens and brightens with a single stroke of the bead.