What Are the Best Foundation Repair Methods for Home Foundations?

February 3, 2022

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The foundation of a house is the backbone of all other structures. The structural integrity of almost all other structures in the house is dependent on the state of the foundation; thus, it's important to pay attention to it. Let's go over the best foundation repair methods out there.

What are the Best Types of Foundation Repair Methods?

The possibilities for repairing a foundation depend on several circumstances, including the location, type of the site, and so on. Below are some of the foundation repair methods:

Slab jacking 

As the name implies, slab jacking injects material into concrete slabs to elevate any empty parts, basically lifting the piece of concrete that has dropped. Polyurethane foam is one of the most often utilized materials in product building. Concrete holes are bored, and vacant gaps are filled in. Because of its numerous benefits, including cost savings, punctuality, and aesthetics, it is the most often used foundation restoration method.

slab jacking foundation

Steel pier

This is a technique for repairing the settling of a building's foundation by driving many steel pipe pilings into the earth. Steel piercing is commonly used when the building is prone to collapsing downhill. A hydraulic lifting system is utilized with the steel piers to elevate the foundation.

Polyurethane foam 

Polyurethane foam is the best material to develop sturdy patterns with perfect surface detail and a high-quality surface finish. Because of the inexpensive maintenance cost and the speed with which it can be accomplished, it is quite popular.

Sealant repairs

Because sealant repairs are quite straightforward, they are the most prevalent way of fixing damaged foundations. Caulking or filling the cracks with hydraulic cement are common sealant fixes.

Helical tieback anchors

Helical tieback anchors are used to securing bending or leaning walls. They are linked in the inner wall section, and then strain is applied to straighten the wall.

Spot piers

In light-weighted situations, spot piers are the most effective foundation rehabilitation. They are concrete-filled shallow piers that were dug by hand.

Segmented piers

Segmented piers are a novel product that has recently been available on the market. Because segmented piers are affordable, they're a smart choice if you're on a tight budget.

crawl space repair

Is it Worth it to Fix the Foundation?

The short answer: yes. We know that foundation repairs will be costly. But you have to understand that it all depends on the amount of damage your foundation has sustained.

The foundation repair endures for a long period. It is estimated that a foundation repair lasts for about150 years, far longer than a human lifespan.  

What is the Best Way to Repair Concrete Foundation Cracks?

Because your foundation supports your whole house, you must ensure sound. Cracks in your foundation should not be taken lightly. Highlighted below are the best way of repairing concrete cracks.

Prepare the Cracks for Repair

All loose material is cleared, such as broken or cracked chunks of concrete, dust, and dirt, from cracks larger than a hairline with an old flat head screwdriver and a stiff wire brush. Use a hammer and chisel to gently widen the fracture and undercut the crack edges to aid patch adherence. This will provide additional surface area for the patch to stick to, preventing it from sliding out of the crack. Chip away at an angle with the chisel. Remove any dirt or dust with the wire brush, and then rinse the crack with water from a garden hose. Using an old cloth, pat the spot dry.

 Repair Hairline Cracks

A vinyl concrete patching material may typically be used to mend thin hairline fractures. Apply a concrete bonding glue or primer/additive if the manufacturer recommends it to provide the greatest possible adhesion between the old surface and the patching material. Work the liquid into the crack and along the crack borders with an old or cheap paintbrush. After each usage, wash the brush with soap and water or throw it away.

Apply a vinyl patching compound in many layers with a putty knife or trowel, as suggested by the manufacturer. Only mix as much patching as you'll need for each layer. Allow drying time between layers after pressing it hard into the crack to drive the first layer into the fissure.

If the fractures are broad enough to take sand, you may also fix them with a cement mixture. A part of cement is mixed with three parts sand with enough water to produce a thick mixture. Mix a tiny amount of cement with enough water to form a cement paint in a separate container.

Paint the inside of the fissure with the thinner cement mixture if possible. This will be used as a primer. Then, using a putty knife or trowel, compress the paste mixture firmly into the fissure. With a straight-edged concrete-finishing trowel, level the slurry. Allow the patch to dry for about an hour before going over it with a float or trowel in a circular motion to blend it in with the surrounding surface.

hairline foundation cracking

 Repair Larger Cracks

Polyurethane, silicone, or latex concrete caulk can fix cracks larger than a hairline. Apply caulk to the crack with a caulking gun and press it into the crack throughout its whole length. This caulk is helpful because it covers the whole crack space and allows the foundation to expand and compress as the weather changes. Repeat the process if it compresses inside the crack and doesn't fill the whole crack depth.

There is a need to use backer rods in addition to concrete caulk if cracks are larger and deeper than 1/2". Foam backer rods, which come in a range of lengths and diameters, are ideal for holding a patch in place till it dries and matures. Force the flexible rod into the fracture with a putty knife, about 1/4" below the surface. Fill the crack with caulk or vinyl patching compound as directed in Step 3 after the foam backer rods are in place.

Using hydraulic cement, you may also use a putty knife to fill up fractures. In a bucket, combine hydraulic cement and water according to package directions. Combine the two with a trowel until the mixture is homogeneous. Mist the fracture with water from a spray bottle, then use a putty knife to press the hydraulic cement mixture into the fissure. An interval of 2 hours is given to ensure that the first coat is dry before applying another coat of cement mixture to the fissure. The cement patch is made smooth with the surface using a trowel.

Seal the Foundation Walls

You may now apply waterproof masonry sealant to the foundation walls once the crack has been repaired and the patch has been set or dried. This will prevent water from penetrating the concrete. The surface must be free of existing paint and coatings, and the concrete must absorb water. Apply the sealer directly on the repair with a brush for the best results. A broad brush or masonry roller can apply the second layer. To achieve a proper seal, put sealant completely onto the patch and surround it by a few inches to 1'.

applying sealant on foundation walls

Take Preventive Measures

Aside from sealing your foundation walls, the most critical thing you can do to keep water away from your foundation is to keep it as dry as possible.

Ensure that your gutters and downspouts are in good working order. Check for damage and make sure they're clean, clog-free, and working smoothly. Rainwater is collected in gutters and channeled away from the home foundation via downspouts. Water soaks into the earth near your home's foundation as it spills over gutter sides. Excess water can expand the soil, putting strain on your foundation, or enter the foundation walls. According to a decent rule of thumb, downspouts should direct water away from your foundation by at least 5 feet.

Keep bushes and small trees away from your foundation. Watering them may cause an overabundance of water to gather in that region, undoing the gutters' work. Also, make sure that your driveway and pathways slope away from your foundation to avoid water from pooling there. 

Having an expert to assess and repair your foundation is important. The average quote for foundation repair, according to  HomeAdvisor, is $2,138 to $7,437.

Are you worried about your home's foundation? Contact our team at Bloomington Foundation Repair Experts today and schedule a foundation inspection. Our professionals can recommend the best foundation repair methods possible.

 

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