To repair basement floor cracks that are larger than 25 inches clean the debris and dirt from the cracks before applying the concrete patch.
Repair basement floor water leaks.
For leaky floor.
Leaky basement windows 8.
Leaky faucets sink bin or bathroom sink 7.
Leaky concrete floor 10.
Flooded basement with water covering all or most of the basement floor.
The leak wasn t present most likely when the place was new so study the outside for water puddles cracks in the stair or basement wall or if present a dirty clogged or improper bulkhead door s drainage and water run away system.
The two must combine to make the basement leak and any approach to repairing the leak must take both into account.
Malfunctioning sump pump 11.
Cracked poured wall slabs 4.
Roof leaks water leaking in through the roof can run down and damage your basement ceiling or walls.
You ll just create a potential mold problem.
The patching over of the crack surface with a material such as hydraulic cement is not an effective way to fix basement leaks because a patch repair approach causes ground water to be trapped within the crack in the wall.
Here are a few interior leak repair solutions that we commonly see and do not recommend.
Insulate exterior walls to prevent condensation.
Remove all loose concrete debris using a brush or air hose.
Basement flooding during wet weather is a common problem.
We show you the common problems and how to fix them with expert advice from the pros.
A leaky foundation 2.
First check whether you have footing drains underground pipes installed when the house was built to carry water away from the foundation.
Floor cracks water can seep into a basement thru cracks that develop on the floor.
Cove joint this is where the walls meet the floor and when hydrostatic pressure increases water can seep into your basement.
Foundation walls frequently water will seep over the top of the walls of the foundation.
It may not feel lucky to enter your basement and find a patch of water on the floor but it s better than having a subtle slow leak that degrades over time.
Causes of basement leaks.
Mortar joints a mortar joint is the area filled with mortar between concrete bricks or blocks.
But don t cover the walls with insulation if water is leaking in from outside.
Step 3 repair floor cracks and joints.
If water is leaking into your basement low on the walls or at the seams where walls meet the floor your problem is hydrostatic pressure pushing water up from the ground.
By far the most common cause of basement leaks is pressure created by water in the soil surrounding the foundation that occurs in two forms.
For cracks where water exists until the leak has stopped before applying the patch.
Learn more about the causes of water in the basement after rain and ways you can solve this problem.