Sealing basement wall floor joint

Sealing basement wall floor joint. The basement is the main part of the name because it gives the foundation to the building. Things got worst when you saw the moisture and water on the basement wall-floor joint. If you do not take care of it, then it can cause many problems.

If your basement in the home is going wet, then it is a very challenging task to fight against it because it can happen in newly constructed homes and also in old homes.

Mostly it starts leaking from the joint of the floor and wall when heavy rainfalls take place outside.

If there is no heavy rain outside and the cove joint in the basement of your home is currently leaking, then it can be due to the leaky pipe in the wall.

There are also chances of burst pipelines in the wall. If you don’t know what to do to stop leaking from the wall-floor joint, then keep reading this article. By applying this method, you will be able to solve this problem.

Sealing basement wall floor joint

sealing basement wall floor joint

It is necessary to keep in mind that the basement in the home can not begin to wear out after two years of construction.

But it takes a minimum of 10 years after construction; it can start damaging in the shape of leaking water from the joints of the floor and basement.

Now the question is can you seal the cove of the wall and floor to stop the moisture which is damaging the inner side of the wall in the basement? Here are some tips which can help you to fix this issue.

Inner pipe tile setup

It is the most usual way to fix the leaking pipe in the wall. A drain tile system is installed on the inner side of the home, which prevents the water from damaging the wall. You can take this inner style system as a gutter system for your basement.

It is made up of plastic or clay pipe and fixed below the floor of the basement. Now, what happens if the groundwater raises due to heavy rainfall? Then this inner tile setup gathers that water and clears it in the sump pump.

You can make this system without disturbing the upper landscaping. Another advantage of this system is that total pressure exerting on the basis of your home.

Outer drain tile system

Sometimes the outer layer of installation is also made with the inner pipe tile setup. This system also works as the inner system.

The only difference between both is that one is installed on the inner side of the home, and the second one is fixed on the outer side of the home to prevent the wall from damaging due to moisture.

The main advantages of the outer drain tile system are these

  • There is no chance of damage to the inner part of the basement after the installation of this system.
  • It can be fixed during uncovering of the membrane, which can save the cost expenditure.
  • It can save moisture from soaking on every side of the basement.
  • It is very economical for the homeowners because less labor is required to install this system as compared to the inner drain tile setup.

Waterproofing the walls and joints of the basement

waterproofing the walls and joints of the basement

If you are facing the problem of leaky downspouts, then it is very dangerous because it will permit the water to make a pool on the wall-floor joint of the basement.

Follow the following steps to seal the basement wall-floor joint.

  • Firstly, determine the main reason behind the wet walls and wall-floor joint.
  • Tightly connect the aluminum foil with the help of duct tape to the inner side of the wall of the basement for one week. Detach it after seven days and check that if the room side of the foil is also wet now then the issue is condensation. You can use a heater or dehumidifier to clear out the condensation problem in the cove of the wall.

Sealing joint wall with hydraulic cement

If you see that only one side of the aluminum foil, which is attached to the wall, is wet, then it is due to seepage. Water seepage can happen to the wall and also at the joints of the walls.

  • You will need hydraulic cement to seal the gaps between the wall and wall joints.
  • If you want to seal the crack of the wall joint, then take a bucket and mix the hydraulic cement with the water in it.
  • First, use water to make the crack wet, and after this, put the mixture into the crack.
  • Wait for two hours to let dry this mixture and then put another layer of the same mixture on the crack.
  • Take a towel and smooth the surface of the floor.


Sealing basement wall floor joint. The bottom line of the article is that if your wall and wall joints are getting damaged from moisture and water, then don’t take it easy because soon, it will damage the whole foundation.

To prevent damage to walls, applies the above-mentioned steps to get rid of this issue.

Related Guides