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What Should I use to fill the gap Between my Door Frame and Patio?

Posted: Thu Jan 31, 2019 1:23 pm
by Jared_Ba
Hello All!

I've noticed a damp on my concrete floor coming from under the front door, so had a look and there is a huge gap between the tiles and the threshold as seen in the pics.

Obviously I would need to fill it out with something that is waterproof to stop the damp. What would be the best material to use? Silicone? Mortar? Or something else?

I'd really appreciate any product or technique recommendations to rectify this.
Thank you!

Re: What Should I use to fill the gap Between my Door Frame and Patio?

Posted: Mon Apr 01, 2019 4:48 pm
by Dr. Strange
I would just use Great Stuff foam to fill in the gaps. Then when it dries, trim it with a sharp razor blade. Then spackle over it. It will probably need to be spackled several times... just like a regular drywall tape job.