Weatherstripping around the frame but not on the hinges side for reasons you already discovered.
On the hinge side, when the door is closed no light should come through anyway so don't worry about it, but check to make sure.
I flight shows through, you can attach a baffle made of strips of something flexible and lightproof, such as a couple layers of black plastic.
stinkyattic Reviewed by stinkyattic on . How to seal a regular interior door/way?? I was reading a post about how to seal the back of a grow-cab, it made me wonder how to seal a regular interior door. I tried weatherstipping once, put it on the surfaces inside the door-frame where the door contacts the frame, but even a small thickness kept the door from closing all the way (on the doorknob-side it was okay, but on the hinges-side it was too tight). Is there a way to do this Iā??m missing? Or do you have to frame in a whole ā??airlockā?? area inside the door, with a second Rating: 5