Lower Basement Floor
Then soil under the floor is excavated to the desired depth and all debris is removed.
Lower basement floor. Usually lowering the basement requires a building permit. First you have to figure out how to support the existing house. Hire an expert such as a structural engineer.
Lowering a basement floor is as difficult as it sounds. Get him to examine the entire area even the outer walls of the house to. Breaking up the slab excavating dozens of yards of dirt by hand and underpinning the existing footings.
In simple terms your dig out the dirt to make enough headroom extend the foundation all the way below fix the drainage system put in a floor and finish up the basement. This process as you can imagine can create more space making it more usable and even adding value to your home. Always remember though that you should dig at least 8 to 10 inches deeper than where you want your finished floor to be.
Whether it makes economic sense or is even economically viable depends on the local construction and real estate markets the regulatory environment and the financial equipment and labor resources at the owner s disposal. Once you have dug as deep as you need you re then going to lay down about 5 inches of gravel. This allows the weight to be distributed through that angle and prevents disturbing the dirt that s actually holding the house.
How to lower a basement floor 101. Ask the engineer to check the basic design of your house and consider factors such as the level of sanitary sewer. For example if you want to lower your basement floor 6 inches you ll want to dig at least 14 to 16 inches.
Lowering a basement floor often referred to as underpinning in the contractor world is a process of digging out the existing basement floor and simply lowering it a foot or so. Check my blog post on an in depth guide on flooring options once you are done lowering the basement. There are two common methods by which the basement floor of your home can be lowered.