Two big cracks in the basement floor from wall to wall

3/9/2024 at 10:56:31 AM

Hello

All cement cracks I've been in business 35 yrs and I'm yet to see a floor that doesn't crack , Tarion warranty is approximately 1/4" crack if larger the contractor can put epoxy or grind crack and put some filler in it , usually nothing is done unless water penetration or Radon gas levels are up

3/9/2024 at 12:47:04 PM

Hi,

If there weren't any controlled joints (expansion joints) then you will always find cracks in a large enough area of a poured concrete slab. Concrete shrinks and expands with temperature also the base below concrete (clear stone and perhaps 2" insulation for newer builds) may have settled. Now that you have an uncontrolled joint, you should not see anymore forming. I would seal with caulking to have flexibility. In regards to radon gas or others you should always have a carbon monoxide detector in your basement as well as a radon tester. If you do not have an HRV/ERV system then you should install one to maintain the best indoor air quality in your home. Hope this helps. Miguel.

3/9/2024 at 1:49:22 PM

Hi,

By filling them you won't sove the issue. You need to find the source and solve the issue. Don't skip it. Take it serious because you may find major issues behind it.

Regards

3/9/2024 at 7:39:56 PM

I used to work for new home warranty and have seen almost every kind of problem. Concrete cracks are very common and normal and easily repaired (v'd out and caulked). I have also seen a basement floor with expensive marble tiles cracking everywhere (telegraphing the concrete cracks) so just don't put down any kind of ceramic tile where it might crack. I have also seen several cases where there is differential movement between the perimeter strip footing and interior pad footings (due to moisture or unstable soils) which can seriously affect the structure above so just keep an eye on this possibility and adjust teleposts if it is a problem. It's hard to assess your situation based on one photo.

3/10/2024 at 3:00:15 PM

Hello, basement floor cracks are common and usually not a cause for concern. Proceed with the house. Hello, basement floor cracks are common and usually not a cause for concern. Proceed with the house.Good luck!

3/10/2024 at 5:15:15 PM

Cracks while not preferred are pretty common, even in new builds unfortunately. As long as it is just a "flat" crack in floor or walls, it can be repaired from getting worse fairly cost effectively. If you see signs of long-term or recent leakage in basement or cracks are not even but overlapping? this is more serious and should be addressed by the right professional before going any further.

4/20/2024 at 2:52:51 PM

Hello, the cracks you find are completely normal, however finding the source of what caused the crack is another thing, I wouldn't repair it with out finding the source first, cause if you repair it the way it is, it will just come back, so I suggest getting an experienced contractor who specializes in this field to check it out, it can be costly but at the same time it will ease your mind to know that it's safe and fixed properly