What can you use to block light coming in through small cracks?

Is there some kind of tape or something that you can just block light cracks with? These are small cracks that light is coming through and making the room not as black as it could be.

Not sure what your set up is, but duct tape works wonders on everything else so why not this too.

Duck tape is probably your best bet. You could also use regular masking tape, and then color over it with black permanent marker.

SmokeItForLulz said:

Is there some kind of tape or something that you can just block light cracks with? These are small cracks that light is coming through and making the room not as black as it could be.

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Im not sure if you are on a budget or not, however I do know that If you want the best, go to walmart and look near their painting section you will find "Aluminum" tape. Its highly reflective so when you have your lights on its like using Mylar, and when the lights are off it will block any light trying to pass though the cracks. Hope this helps (BTW its like 9 bucks for a roll; at least where i live it is"

Black tarp or black plastic, garbage bags work good

duck tape is cheap and it works wonders.

i personally find black electrical tape to be a little easier to use for these types of matters, and it's also super cheap.