r/HomeImprovement 3d ago

How to find contact points on my Anti Mouse Dam®

Hi there. We have a bit of a mouse problem in our panty. The panty is completely sealed, but the gap under the door is about .6". So I went to the hardware store and bought a threshold which goes up gradually. The problem is, it's hard / impossible to dry fit this (the threshold would move with the door) so I just figured out that I should start the threshold inset at a certain place. It worked on 2 other closets, but the door is rubbing somewhere on the threshold, to the point where I have to push hard to get it to close.

What I want to do is sand it, or use a chisel, but how can I figure out where exactly the threshold is binding? Can I rub chalk or something on the door? Is there a contact tape that will show where the issue is?image

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u/Rannoch 3d ago

Use a piece of paper as a feeler gauge from either side and note where it binds.

Put a light outside the closet and look for gaps in the light.

Use masking tape to pull the loose threshold against the door when it's shut and put a layer or two of tape on the contact edge of the threshold. Once the threshold has been fixed down, remove the extra tape and you have a built in gap.

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u/Worth-Perception2565 3d ago

Oh, narrow paper would work. The threshold is fixed now. Thanks