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The weather stripping on the outside of my garage door is wavy, as is the metal trim its anchored through, which leads to a lot of air leakage. I could just caulk this as is, but I'm guessing the results would be better if I removed some of the waviness first. However, I'm not really sure what caused it, how to undo it, or how to prevent it from happening again. Any tips about that? It's been like this for years, but is now becoming an issue as I'm working on insulating the garage.

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2 Answers 2

Is the weather seal screwed in?

I would recommend removing the weather seal and replacing it with new.

Install the top piece first. Do not cut it long so you have to force it into place; cut it to fit tight at the ends but you should not have to force it into place. use ring shanked colored nails and nail about every 6-9". Do not over tighten the nails, just bring them flush to the weather seal. Cut the sides to length, again, not so tight that you have to force it. Square cut all ends, do not attempt to miter this product. the rubber flap should form a U to the door, not a 90 degree. Clean it all up then use a good caulk along the edge of the weather seal and the siding.

Done like this you will get most of that bowing and gapping out of what you have now.

Done right, this will be a huge improvement. Take your time and get the weather seal cut to the right length and nail carefully and often.

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Welcome to the site Frank. If you'd like to advertise your website, the appropriate method here is to register your account and place the website within your user info. –  BMitch Jun 7 '13 at 21:02
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The aluminum trim stock around garage doors usually buckles due to expansion and contraction and unfortunately there are no good fixes for that. I would remove the weather seal and metal trim. Then I would wrap the opening in azak or some other brand of PVC trim and re-install the weather seal over that

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