Foundation cracks can form when a house settles. These cracks may be vertical, horizontal, or diagonal. Dry shrinkage, overload and other factors can cause cracking. Foundation crack repair can stop them from spreading and restore your home’s structural integrity. This will stop foundation problems from becoming worse.
Foundation cracks can be fixed using epoxy injections or strapping.
Epoxy Injections
Epoxy is a good choice for fixing foundation cracks in concrete slabs or walls. Epoxy is well-known for its strength, high resistance to chemicals, and durability.
The crack’s surface must be prepared before epoxy can be injected. This involves scraping away all material and removing the crack using an axe. Staples can be used to stabilize and support cracks. Staples can be used to fix cracks and stop them from growing.
Strapping
These Kevlar straps can be used for sealing foundation cracks. They are made of carbon-fiber Kevlar. These straps are lightweight and can be used to strengthen foundation cracks while keeping them from shifting. These straps can be used in conjunction with epoxy injections to fix horizontal cracks on walls. Horizontal cracking could indicate excessive weight against the wall. This cracking may lead to wall collapse.
Underpinning is a method to prevent foundation cracking and settlement. Underpinning increases the foundation’s depth or width to better support the structure’s weight. Cracks and bowing can result from a building that is too heavy for its foundation. Underpinning distributes the structure’s weight evenly and provides more support.
For homes constructed on clay-like soils, underpinning may be an option. Clay expands when it is wet. Clay shrinks after it has dried. These moisture fluctuations can lead to foundation cracks or settlement.
Consult a foundation contractor if your foundation cracks. A foundation contractor will inspect your home and find the cause. He or she will then recommend the best course.
Concrete Underpinning Vs
Concrete underpinning refers to the removal of sections from a foundation to increase its bearing capacity and support it with solid strata. Once the concrete has cured, it is poured. The concrete is then poured to stabilize and support the foundation. This is an older method of repairing the foundation of a house.
There is a choice of two types concrete underpinning.
Mass underpinning is the process of excavating the foundation to pour concrete beneath the footings in order to increase their bearing capacity.
Screw Piling – These are similar to steel screw, but have been drilled into the ground. A firm subground connects the foundation to the piles.
Resin injection underpinning is an easier option and does not require excavation. Drilling holes is required to prepare the foundation. Through the holes, resin is injected into the ground. The soil absorbs the resin while it is still damp. The resin expands and dries, thereby bonding with the soil and making it less reactive. This is not recommended because of the risk. Resin can be used for filling damaged or corroded foundations. If the foundation is unstable, traditional underpinning methods cannot be used. If the foundation is unstable, traditional underpinning methods should be used.
Melbourne Underpinning Group is a specialist in foundation repair and house bolting. Even with severe cracking, we can surpass your expectations. We have been supporting Melbourne homes for many years. We are experts in reactive clay soils. We can solve foundation problems. We use a simplified workflow to ensure that all projects are completed within the timeframes agreed upon.