This is because the fabric must be cut narrower than the operating mechanisms at the top.
Blackout roller blinds side channels.
The roller shades in this picture have aluminum side channels a sill channel and a sealed hem bar or flat bottom bar.
The side channels that come with your blackout blinds also help maintain the durability of your setup.
This is a great option when you want to have the optimal light blockage for room darkening applications and a v applications.
This is basically a frame around the shade that prevents light leakage around the edges.
Inside mounted roller shades will have an approximate 1 vertical light gap between the edge of the fabric and the window casing the cord loop side and up to a 5 8 light gap on the other side.
Remember that these gaps are common and are not the result of poor customization.
Blackout roller blinds with side channels roller blinds are one long stretch of material that rolls around a pole at the top of the window controlled with a simple cord blackout roller blinds that will ensure darkness while you sleep.
In other words if you have blinds that are mounted a certain way or your window frame has molding that isn t completely flat from window to outer frame these are useless.
Side channels apart from their functional value also look stylish and give window treatments a sleek minimalist and seamless look.
However side channels tend to compound any color related heating issues.
Picture the dread of having to come home during an especially stuffy afternoon and just flipping a switch to close your blackout shades with side channels.
Blackout solution use side channels.
I would say that these are ok strictly for roller blinds that have top mounts not side mounts and are at least 1 5 inches from your window.
Blackout roller shades with side channels block the sunlight completely making your room dark and perfect for a sound sleep.
While one may think that black blackout blinds are a great and fantastic idea not everyone seems to actually remember that darker colors absorb more heat.