Anecdota

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Why Concrete Cracks in Your New Home


While we are in the basement lets go ahead
and talk about cracking in the concrete floor. It’s important to understand that all concrete
cracks regardless of whether it is inside or outside. There are a couple of things you’ll see
different on the outside versus the inside. On the outside of the home, you will see lines
that are put every so many feet in the sidewalks and then lines in the driveway. Those are called control joints, they are
called control joint for a reason. They control where the cracking happens because
all concrete is going to crack. In a basement floor application, though, we
don’t put those lines in the concrete. What we have found happens is as you put down
carpet you’ll get wear line through the carpet and you’ll be able to see those lines. For that reason, in the basement, you won’t
see any control joints. So it will be very normal and natural for
you to see cracking like such throughout the floor. Some houses more than others but almost all
houses will crack on the basement floors. So don’t be alarmed. One thing to watch for on it is if it starts
to displace. so if the concrete starts to raise up and
down from one another there is an industry standard, warranty wise, that once it separates
so much it can become an issue. We’ve had that happen once in 25 years that
I’ve experienced. so it’s very very rare that that occurs. So just keep an eye on it watch for it, but
don’t be alarmed it is normal.

7 thoughts on “Why Concrete Cracks in Your New Home

  1. My left ear really liked to be the only listener to this. At this point I’m sure having an incompetent audio editor is as normal as cracking concrete.

  2. Thank you for this, I just took up all the old carpet in my single story home and there's cracks throughout, but no elevation displacement so I'm sure I'm good 👍

  3. "Why Concrete Cracks in Your New Home"
    Is not answered by this video, so it is a waste of time.
    It would have redeemed itself if a solution to the cracking had been included.
    But no.

  4. If you compact the sub-base and sub-grade correctly, add enough rebars, and no abuse afterward, then concrete slab will not crack for at least 3 decades. If any surface cracks show up just weeks or months after construction, then it suggests your contractor must did some steps incorrectly.

    A lot of builders use the concept of concrete will crack to mislead clients. Actually, the only reason of cracks show up in new house is because your builder slacked off and skipped away from some important sub-base and sub-grade preparation steps. if builder do each step correctly, concrete slab can maintain no-cracking for at least 30 years.

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