What is the round hole in my basement floor?
It’s a floor drain. It was covered in an attempt to keep sewer gas from coming out of it once the trap dries up. If you’re going to cover it, it should be an airtight seal. But blocking off the floor drain in your basement is up to you.
How do you fix low spots in a basement floor?
If you need to level low spots on your floor, use a concrete patching compound. The patching compound also works well to repair any cracks that formed when the concrete settled. You don’t need many tools for this project, but you do need to wear protective gear for your eyes and hands.
How do you fix a pitted concrete basement floor?
Clean the slab and fill deep holes and cracks
- Clean the slab and fill deep holes and cracks. Start with a clean floor.
- Remove the loose stuff.
- Concrete Floor Patch: Fill cracks, craters, divots and pits.
- Create a dam.
- Spread it smooth, then let it set.
Why does my basement floor sound hollow?
Hollow sounds indicate the top surface of the floor has separated from the underlying concrete. “Sounding” by either tapping with a hammer or dragging a heavy chain and listening to the resulting sound are the easiest and primary means to detect and map delaminated floors.
What does hole in the basement mean?
The hole is the house crumbling. UG indicated that bringing her back into the house was causing it to rot from the inside out. The episode where she’s locked in and pissed as hell upstairs, Dorothy is taking a shower as you see the pipes break and burst.
Is uneven basement floor a problem?
Uneven or sloped flooring is rarely a sign that there’s just a problem with the floor. It’s a better indication that settling or shifting of the foundation is going on beneath the flooring. If you notice a slope developing, your first call should be to a foundation expert!
What do you do with an uneven basement floor?
One of the most common ways to level uneven concrete basements floors is to apply a high quality self-leveling underlayment. To level an uneven concrete floor with a self-leveling underlayment, start by thoroughly cleaning the concrete floor and removing all dust and residue.
Can pitted concrete be repaired?
Once the surface begins to pit, filling the divots with concrete is usually a temporary fix that loosens over time. You can fill pits with a bonding concrete repair material, which is similar to caulk. Restoring the porch to a more original appearance requires dressing it with a special resurfacing concrete mixture.
What is concrete pitting?
Concrete pitting is when the surface of a concrete structure begins to deteriorate. It’s defined by a cluster of small holes that appear on the surface of the concrete. It’s an extremely common problem in construction that occurs because of a problem with the way the concrete was produced.
Will new cement bond to old cement?
The cement within a concrete mix doesn’t contain any natural bonding agents – so when fresh concrete is added on top of an existing layer of concrete, the two won’t join together. Once cured, the new concrete will simply sit on top as a separate layer. This will not produce a strong, serviceable floor.
Can cement be poured over existing cement?
You can put new concrete over old concrete. However, unresolved issues with your old concrete, such as cracks or frost heaves, will carry over to your new concrete if not taken care of. In addition, you must pour it at least 2 inches thick.
Why is there a hole in my concrete basement floor?
Unfinished Basements Have Drainage Holes Since basements are usually the dampest floor of the home, as well as the one most likely to flood first, drainage holes are often necessary. Drainage holes are also important for the collection of excess water from baths, sinks, toilets, and other home items that may flood.
Why is there a hole in my foundation?
Weep holes are drilled in a block foundation wall. When the basement was constructed, tar was applied to the exterior of the blocks. Over time, the tar, which has a 30-40 year lifespan, degrades, and water seeps into the hollow blocks. The water is then trapped in the hollow blocks and in need of an exit.
Do all basements have sump pits?
No, not all homes have a sump pump and sump basin. The level of groundwater and the soil type in your neighborhood will determine whether you need one or not.
How can I spot hollows in concrete floors?
How Can I Spot Hollows? One symptom of a concrete floor with hollows can be cave-ins. Divets and bowls can form in the concrete around the area of the hollow or, in more extreme cases, the concrete floor can sink and become uneven.
How do you fill holes in concrete floors?
Hollows under concrete floors can create cracks and splits. Related Articles. Filling hollows under a concrete floor is done through a process called slabjacking. Slabjacking is used to prevent everything from porch floors to patios and basement floors from shifting, settling, and becoming uneven due to formed hollows.
How do you fix a hollow floor that squeaks?
Sometimes hollow spots can only be repaired by removing an entire section of the floor. More often, however, the issue can be treated by using a simple injection repair kit. These kits “spot treat” hollow areas by injecting additional glue under the plank that will close the gap and silence the noise.
What causes hollows under concrete floors?
Hollows can form under concrete floors for a variety of reasons. When a house is being built, a measurement of the level of compression the surrounding soil can withstand is typically taken. If that measurement is off, the soil under a concrete floor can compress from the weight of the concrete itself, causing voids.