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Bad concrete contractor left me in a poor door situation.

Dave2757

New member
Joined
May 24, 2025
Messages
2
I had a "contractor" pour a slab for my steel garage install last Nov. After it was poured and set I saw that the slab angled down on one side. It became more apparent when the garage was erected 2 days ago and I have a 3" drop from the right to left side on 1 of 2 doors. It's a steady drop so I need a way to seal the bottom with the electric door down. Should I try adding some cement to raise the low point and blend it to the right side. I'm a senior and don't want a hump I might trip on some night since I live alone. The garage is detached. Is there any type of poly or rubber strip with an angle to it I can put in the bottom of the door to make up the gap? Or, do I need to get as close as possible with the door and use a bigger sweep for bugs and rodents? The installer said it was 3.5 inches at it's lowest point and the door contractor said he could still make the doors work. I need to know if he's just saying that for the sale or if he is right. I'm trying to find all options before I spend any more money. Thanks, guys! I appreciate any advice I can get.
 
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gatewaysysop

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Joined
Nov 11, 2008
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3,299
Location
Arizona
I had a "contractor" pour a slab for my steel garage install last Nov. After it was poured and set I saw that the slab angled down on one side. It became more apparent when the garage was erected 2 days ago and I have a 3" drop from the right to left side on 1 of 2 doors. It's a steady drop so I need a way to seal the bottom with the electric door down. Should I try adding some cement to raise the low point and blend it to the right side. I'm a senior and don't want a hump I might trip on some night since I live alone. The garage is detached. Is there any type of poly or rubber strip with an angle to it I can put in the bottom of the door to make up the gap? Or, do I need to get as close as possible with the door and use a bigger sweep for bugs and rodents? The installer said it was 3.5 inches at it's lowest point and the door contractor said he could still make the doors work. I need to know if he's just saying that for the sale or if he is right. I'm trying to find all options before I spend any more money. Thanks, guys! I appreciate any advice I can get.

Why not ask the "contractor" to make this right? You seem to have left out an awful lot of the story here.

As to the gap, assuming you can't or won't get the contractor to fix it, there are some rather large seals with at least a couple inches of lip on them that can be glued down to the threshold. Might help with the optics and maybe seal better than if you rely on tweaking the door seal alone. If a door guy told you he can make the door work with that kind of wonky slab, just my opinion, but I think he's full of ****. That or his definition of "make it work" is probably very different from yours.
 

kaymccampbell

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Joined
Feb 27, 2015
Messages
29,626
Location
Upstate New York
Your door guy isn't lying. He could angle everything to try to take some of the gap out, but I think it'll look cockeyed/piss poor.

There is no 3 inch residential door seal that I'm aware of, unless you go with one of those spring loaded segmented telescoping bottom seal things that they used to use on huge commercial roll up doors. I've seen some that easily take up 4 or 5 inches. Now, what they're called or who you go see, I have no idea. And you'd have to have 2, so things match.

I, personally, would be talking to the contractor to see what he is going to do about the cockeyed floor.
 
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Dave2757

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Joined
May 24, 2025
Messages
2
Why not ask the "contractor" to make this right? You seem to have left out an awful lot of the story here.

As to the gap, assuming you can't or won't get the contractor to fix it, there are some rather large seals with at least a couple inches of lip on them that can be glued down to the threshold. Might help with the optics and maybe seal better than if you rely on tweaking the door seal alone. If a door guy told you he can make the door work with that kind of wonky slab, just my opinion, but I think he's full of ****. That or his definition of "make it work" is probably very different from yours.
+The contractor, as I found out too late, nevr encountered an angle for a slab pour but kept saying everything was good. I fired his *** when he took down the forms and his company sign from the front of my house then asked for the final payment. He didn't like it when I told him not till he was finished fixing the slab. His company is no longer listed under that name anymore.
The door guy is the owner of a garage door company that has a great reputation and has been around for decades with a very good BBB rating.
I know about the thicker strips ,my concern is the wedge shape I need for an even door drop, when it's all addressed. The angle will be good in the winter when the snow melts off the car in the garage. That's why I'm looking for an option that avoids adding material that will hold water back.
The story can't be told in full because of the time and contractors involved. It would be like a bad book.
 

Shiftless

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Joined
Mar 9, 2014
Messages
14,597
Location
East Bay SFO
Dave
I’m sorry your concrete floor turned out to be so poorly done. I know you just joined GJ, but as someone who has been here for many years, let me say that this forum is full of concrete slab stories like yours. 😖
 

gatewaysysop

Well-known member
Joined
Nov 11, 2008
Messages
3,299
Location
Arizona
The story can't be told in full because of the time and contractors involved. It would be like a bad book.

As they say in this era, "Cool story, bro." :unsure:

You asked if the door guy was talking out his *** to make a sale or what, but despite people offering their opinion, you seem to have already made up your mind that you can trust him. Is that how you ended up with the concrete guy? :dunno:
 

Mikes61

Well-known member
Joined
Dec 25, 2023
Messages
238
I had a similar thing happen to my garage build, but I don’t think my gap is that big. My concrete guy had to pour the garage floor on a slope to match the driveway slope, or I could have demo’d the driveway and repoured that too. I didn’t want to do that. Or I could have had a 1”-2” step on an angle walking into my garage from the driveway. Didn’t want to do that either.

I found a large garage door seal that slid into the bottom of my garage door. It fills the gap on one side of my 18’ door and is smashed flat on the other side. Will that work for you?

Another option is to add a rubber strip to the concrete where the door closes.
 
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