Expansion Joint Question and gap under garage door

Old 03-25-21, 05:39 AM
Thread Starter
Join Date: Jun 2019
Location: United States
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Expansion Joint Question and gap under garage door

Hello all,

So I noticed the gap right before my garage door and realized it used to be filled. It's about a 3/4 inch gap. Can I use something like the 3/4 in. x 25 ft. Concrete Expansion Joint Replacement I have pictured as the best option? I also have a question about the gap that is right under the middle under the garage door. I wanted to fill that as well to avoid pests from getting in under it. Could I use something like the trim a slab joint or do you recommend a type of caulking? Or just leave that alone? Pictures are attached. Thanks!

Old 03-25-21, 09:06 AM
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Join Date: Sep 2016
Location: USA MI
Posts: 9,481
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Fill it with self leveling Sika Flex joint filler.

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