The hole in a basement floor could be a functional or old and non-functional drain. It may also be a current or previous sump pit. Some basements have holes with roughed-in plumbing. Weaknesses in the floor can result in holes over time.
Why are there small holes drilled in my foundation?
A weep hole is a small hole that’s drilled on the base of your foundation wall to provide aeration and an escape route for water. The weep hole also does the following: Improves drainage: Rainwater or moisture that gets into the concrete block or brick cavity needs to escape.
What is the hole in the basement floor called?
The sump pit (also known as sump, sump basin, or sump well) is a water collection hole in the floor of your basement or crawlspace. It is very common for homes in areas that get regular rain-fall or have high water tables.
Is it normal to have small cracks in basement floor?
The short answer is yes—cracks in concrete floors are normal, if not inevitable. As concrete cures, it will naturally develop tiny cracks as the mix dries and water evaporates. Over time, your concrete basement floors may also crack due to uniform settlement.
What is heaving crack in basement floor?
Heaving suggests that the soil beneath the basement floor is expanding. Heaving is especially common in areas with clay soil. When the soil becomes wet, it creates enough pressure to lift and crack a concrete slab floor. What to Do: Call a professional foundation repair contractor.
Why does concrete have holes in it?
Air. Air becomes entrapped in concrete during the mixing and pouring process. While some air is necessary to avoid damage when the concrete experiences freezing and thawing temperatures, too much causes blisters or bubbles on the surface that then erupt into holes.
What are the holes in concrete for?
1 Answer. Show activity on this post. These are left over from concrete ties which are used to hold the formwork together ready for pouring concrete. They are usually called tie holes.
How do I fix a small hole in my foundation?
Step 1: Clean out the hole and make sure that it is free of any loose debris, dust, or dirt. Step 2 (Optional): For a stronger bond between the new concrete and the existing cinderblock/concrete, apply a bonding agent. Step 3: Mix up your concrete repair mortar to a ‘clay’ consistency and apply it to the hole.
Should I be worried about a crack in the basement floor?
Small to medium-sized cracks in your basement floor are natural and should not worry you. These do not indicate a larger problem. Cracks greater than 1/8 of an inch wide will require sealing with masonry and concrete-specific elastomeric caulking sealant.
What does heaving concrete look like?
With heaving concrete, the middle of the slab often appears higher than the edges, since the surface is being pushed up by the expanding soil beneath. While settling concrete typically only moves in one direction — downward — heaving concrete moves in both directions, according to the state of the soil below.
Are cracks in basement foundation normal?
These minor cracks can be the result of normal settling or possibly differential movement. Differential movement is typically caused by varying moisture levels around or underneath your foundation, and the common reason for that moisture is improper drainage around the home.
What are the round holes in concrete?
Concrete core drilling is the process of drilling clean, circular holes in a concrete surface. It is one of the most effective ways to create openings for plumbing, HVAC, electrical and sprinkler systems.
What are holes in concrete called?
Surface voids are the cavities or little holes that appear on the surface of concrete castings. Surface voids (commonly known as pitting) are referred to as “bug holes” or “fish eyes”. These voids may produce an unacceptable appearance on the surface of the finished casting.
What pitted concrete?
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.
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.
How does concrete get pitted?
During a pour, if too much accelerator is used, used so the concrete sets before bad weather comes, it can cause a pitting to occur. The accelerator will force water to dry faster inside the concrete, and this creates the dimpled, pitted surface in driveway.
What does spalling concrete look like?
Spalling concrete can look like round or oval depressions along surfaces or joints. Spalling tends to be most common in cold climates when de-icing chemicals are applied or when seasonal freeze-thaw cycles damage the concrete.
How do I fix spalling in my basement?
Loose concrete, efflorescence, and debris should first be removed with a wire brush. Next, rebar should be treated to prevent rusting. Lastly, a resurfacing application – which is a concrete mix – should be applied over all affected areas with a putty knife or trowel.
How do you fix a spalling concrete basement floor?
Quote from the video:
Quote from Youtube video: Take one of the adhesive. Compounds and there's quite a number of them different. Products throughout the industry for welding concrete to concrete.
