The foundation of a home is the vital support system and foundation for the rest of the home, providing stability and strength. However, over time, certain issues can arise, and one common problem is bowing foundation walls. Bowing walls can lead to significant structural damage, compromising the safety and integrity of your home. Let’s explore the causes behind bowing foundation walls and discuss potential solutions to address this issue effectively.
Understanding Bowing Foundation Walls
Bowing foundation walls refer to the inward or outward movement of basement or foundation walls, forming a noticeable curve or bulge. They can also form cracks and stair step cracks. The severity of bowing can range from slight deformations to severe inward displacement. This problem is typically seen in concrete blocks or poured concrete walls and can affect both residential and commercial structures.
Causes of Bowing Foundation Walls
Hydrostatic pressure – Hydrostatic pressure is when water pools up outside your basement wall and has nowhere to go. As the water builds up, the volume of the soil increases. This increase places pressure on your basement wall and can cause them to bow.
Expansive soil – If the soil around your basement walls is made of a lot of clay, it can be considered expansive soil. This type of soil grows and shrinks based on moisture content. When the soil absorbs water, it expands. Then, when the soil dries, it shrinks. The constant growing-shrinking cycle places stress on your basement walls and can cause them to bow.
Poor Construction-Inadequate construction practices, such as insufficient reinforcement, the absence of proper footing, or the use of low-quality materials, can contribute to bowing foundation walls. These construction flaws weaken the structural integrity, making the walls more susceptible to bowing.
Tree Roots-Large trees planted near a foundation can also cause bowing walls. As the tree’s roots grow, they can exert considerable pressure against the foundation, leading to movement and bowing over time.
Settling and Shifting-Uneven settlement of the building’s foundation or improper soil compaction during construction can result in uneven pressure distribution. This differential settling can cause the foundation walls to bow as they attempt to adjust to the shifting ground.
Solutions for Bowing Foundation Walls
Wall Reinforcement with Steel Beams-Wall braces are steel braces put in place to help the house cope with the weight. They are also one of the most effective ways to repair and restore basements and to protect homes against further foundation damage. The braces counter the external pressure that causes basement walls to curve.
Exterior Excavation and Waterproofing-In situations where hydrostatic pressure is the main cause of bowing, exterior excavation can be performed to relieve the pressure. This process involves excavating the soil around the foundation, installing drainage systems, and waterproofing the walls to redirect water away from the foundation. This process is not recommended as it will ruin the landscaping and damage the yard, not to mention it is the more expensive option.
Professional Foundation Repair
It is crucial to consult with a professional foundation repair specialist or structural engineer to assess the severity of bowing and recommend appropriate solutions. They can conduct a thorough inspection, identify the underlying cause, and propose a solution for your home.
What can you do for Preventative bowing walls
To minimize the risk of bowing foundation walls, homeowners can take the following preventive measures:
Maintain proper drainage around the foundation, including downspout extensions and properly graded landscaping.
Regularly inspect the foundation for signs of cracks, moisture, or movement and address any issues promptly.
Avoid planting large trees near the foundation, especially those with aggressive root systems.
Ensure proper construction practices when building or renovating, including adequate reinforcement and proper footing design.
Call the Foundation Repair Experts
Bowing foundation walls is a serious issue that requires timely attention and professional intervention. Understanding the causes behind bowing walls and implementing suitable repair methods can prevent further structural damage and safeguard the integrity of the building. By taking preventive measures and seeking expert advice, homeowners can ensure the long-term stability and safety of their foundation. Remember, when it comes to foundation issues, it’s always better to act sooner rather than later.
Get a free estimate from the professionals
If you suspect there may be some structural damage or want to get out ahead of any, call us for a free estimate. An older house may not be showing any signs of damage, but it does not mean there isn’t any.
Here at BAM Basements and Masons of Des Moines, we pride ourselves on delivering every consideration to total customer satisfaction with the highest quality workmanship, limited lifetime warranties, having over 100 years combined of expertise on waterproofing, we are locally founded, owned, and operated. Call us for all your waterproofing needs and we will find a customized solution to fit your home’s needs.
BAM Basements and Masons of Des Moines is your premier basement egress window company serving the Des Moines, Iowa area. If you’re located in Des Moines, Ankeny, Bondurant, Altoona, Pleasant hill, Ames, Adel, Waukee, Indianola, Grimes, Urbandale, Johnston, West Des Moines, or the surrounding areas, we’re the place to call.