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.

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.

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.

Why are there holes drilled in my foundation?

What Are Weep Holes? Weep holes are tiny openings that allow water to drain from within your foundation walls. They’re usually drilled into the base of foundation walls to allow moisture to escape. Whenever water gets into the foundation, it will drip down the back of the wall and pass through the weep holes.

How do I fill a hole in my basement floor?

Shallower holes need a sand mix.

Whichever type you use (they’re both available at home centers), follow these steps.

  1. Step 1: Use a hammer and a cold chisel to level the bottom of the hole. …
  2. Step 2: Brush on a concrete bonding liquid. …
  3. Step 3: While the bonding agent is still tacky, mix the concrete. …
  4. Step 4: Level the patch.

Why are there holes in concrete slab?

Problem:Small pop outs or holes that occur on concrete slabs are often the result of lignite or shale carbons that were in the sand when the concrete was mixed. The lignite or shale particles are lightweight and float near the surface of the slab when the concrete is installed and troweled.

What is a 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.

What is the purpose of sump pit?

Definition. A temporary pit which is constructed to trap and filter water for pumping into a suitable discharge area. A perforated vertical standpipe is placed in the center of the pit to collect filtered water. The purpose of this practice is to remove excessive water in a manner that improves the quality of the water

How do you repair a hole in the floor of a slab foundation?

How to Repair a Hole in the Floor of a Slab Foundation

  1. Undercut the Hole’s Edges. Put on safety glasses. …
  2. Vacuum Up Debris. …
  3. Add Sand to the Hole. …
  4. Use a Concrete Bonding Liquid. …
  5. Mix the Concrete. …
  6. Remove Excess Concrete. …
  7. Wait for the Concrete to Cure. …
  8. Trowel the Surface.

How do you fix a hole in a concrete 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.

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 circular holes in concrete?

They are usually called tie holes. After the concrete is cured and forms need to be removed their ends protruding out are bent and snapped.

Why is there a hole in my basement wall?

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.

Can you finish a basement with weep holes?

Not all basements leak and not all basements need weep holes, but if the walls are to be finished, this may be the only easy opportunity to drill the holes, so I would consider doing so. Next, I recommend coating the walls with a waterproofing material such as DryLok.

Can weep holes let water in?

At the bottom of the wall, openings (called weep holes) are constructed in the brick mortar joints. These openings allow the water in the brick cavity to drain to the exterior.

What do you put in weep holes?

Small pieces of steel wool (just pull it apart) or pieces of a plastic scrubber can be pushed into the entrance of a weep hole to keep unwanted critters out. Both items will effectively block the weep holes while still allowing air to filter in and water to seep out.