How can I block the light that gets through the outskirts of my bedroom curtains?
See image below.

Note I am renting in an apartment so I can't do anything permanent.

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2 Answers 2


There are two solutions I've had success with: Get some painters tape, so it won't leave adhesive on the windows, and put a strip or two on all sides of the the window glass to darken that area and keep light from entering. The other one is to get some white masking/duct tape and add a strip on both sides of the shade to extend the size of the shade by 1/2" to 1" +- on each side. If you don't open the shade, you can also put a strip across the top when the shade's pulled down.

  • In my experience, painter’s tape will leave residue or even remove paint if left on long enough.
    – Tim B
    Oct 9, 2022 at 16:27
  • 1
    @TimB Good points. That's why I said to put it on the glass. Any residue on the glass will easily scrape off with a single edge razor blade.
    – JACK
    Oct 9, 2022 at 16:33

Get or make a wooden frame that fits snugly in the window opening. Staple to it corrugated cardboard or other opaque material cut to fit. This layer may be painted or covered with a layer of decorative cloth. Attach knobs or handles for easy installation and removal. If the window is large, use two frames hinged together.

  • Yup, that blind's going to be a good 2" off the window itself, so anything you do to mask the glass is not going to be very effective.
    – Tetsujin
    Oct 9, 2022 at 16:49

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