What To Do When Your Concrete Driveway Cracks In Toronto

What to Do When Your Concrete Driveway Cracks In Toronto

Concrete driveways are a popular choice for homeowners due to their durability and long-lasting nature. However, like all materials, concrete is not immune to damage.

Cracks in a concrete driveway can be unsightly and, if left untreated, may lead to more severe issues.

Understanding how to address these cracks promptly and effectively is crucial to maintaining the longevity of your driveway.

This guide will walk you through the steps to take when your concrete driveway cracks, including identifying the type of crack, assessing its severity, choosing the appropriate repair method, and implementing preventative measures.

Let’s get right into it.

1. Identify the Type of Crack

Cracks in concrete driveways can vary in size and severity, making it important to identify the type of crack before deciding on the best course of action. There are three main types of cracks commonly found in concrete driveways: hairline cracks, shrinkage cracks, and structural cracks.

Hairline Cracks

Hairline cracks are typically very thin and often appear as a result of normal wear and tear or minor shifts in the concrete. These cracks are usually cosmetic but can become larger over time if not addressed.

According to the Portland Cement Association, hairline cracks are often caused by drying shrinkage, where the concrete loses moisture and slightly contracts as it cures (source: www.cement.org).

Shrinkage Cracks

Shrinkage cracks occur when the concrete dries too quickly during the curing process. This rapid drying causes the concrete to shrink unevenly, leading to small cracks on the surface.

While these cracks are not usually structural, they can still allow water to penetrate the concrete, potentially causing more significant damage over time.

Structural Cracks

Structural cracks are the most concerning type and often indicate a more severe underlying issue, such as soil movement, poor subgrade preparation, or excessive weight on the driveway. These cracks are typically wider and may cause the concrete to shift or become uneven.

Structural cracks should be addressed immediately, as they can compromise the integrity of the driveway.

2. Assess the Severity of the Crack

After identifying the type of crack, the next step is to assess its severity. This involves determining the size, depth, and location of the crack to decide whether it can be repaired with a DIY approach or if professional intervention is necessary.

Visual Inspection

Begin by conducting a thorough visual inspection of the crack. Measure its length, width, and depth using a ruler or measuring tape.

Hairline cracks are generally less than 1/8 inch wide and can often be repaired with simple DIY methods. Cracks wider than 1/8 inch or deeper than 1/4 inch may require more substantial repairs.

Professional Assessment

If you’re unsure about the severity of the crack or if the crack appears to be structural, it’s best to consult a professional. A concrete contractor can perform a more detailed assessment, including checking for any underlying issues such as soil movement or drainage problems.

According to the American Society of Concrete Contractors, professional evaluation is particularly important if the cracks are accompanied by significant shifting or unevenness (source: www.ascconline.org).

3. Repair Options Based on Crack Type

Once you’ve assessed the severity of the crack, you can choose the appropriate repair method. The repair options will vary depending on whether the crack is minor or major.

DIY Repairs for Minor Cracks

For minor cracks, especially hairline cracks, a DIY approach can be effective. Here are the steps to repair small cracks in your concrete driveway:

Clean the Crack: Remove any debris, dirt, or loose concrete from the crack using a wire brush or a pressure washer. This will ensure that the repair material adheres properly to the concrete.
Apply a Concrete Patch: Use a concrete patching compound or epoxy filler to fill the crack. These materials are available at most hardware stores. Follow the manufacturer’s instructions for mixing and applying the patch.
Smooth the Surface: After filling the crack, use a trowel to smooth the surface of the patch, blending it with the surrounding concrete. Allow the patch to cure according to the manufacturer’s instructions.
Seal the Driveway: Once the patch has cured, consider applying a concrete sealer to the entire driveway. Sealing helps protect the concrete from water infiltration, freeze-thaw cycles, and other potential damage.

Professional Repairs for Major Cracks

For larger or structural cracks, it’s advisable to hire a professional contractor. Here are some common professional repair techniques:

Concrete Resurfacing: This involves applying a thin layer of new concrete over the existing driveway to cover cracks and give the surface a fresh, uniform appearance. It’s an effective solution for driveways with extensive surface cracks.
Epoxy Injections: For deeper or structural cracks, epoxy injections can be used to bond the concrete and restore its structural integrity. This method is particularly useful for cracks that penetrate through the entire thickness of the concrete.
Slab Jacking: If the cracks are caused by sinking or settling of the driveway, slab jacking (or mudjacking) may be necessary. This process involves injecting a mixture of cement and sand beneath the driveway to lift and level the concrete.
Complete Replacement: In cases where the driveway is extensively damaged or beyond repair, a full replacement may be the best option. While this is the most costly solution, it ensures that the new driveway is free of structural issues and will last for many years.

4. Preventative Measures

Preventing future cracks in your concrete driveway is just as important as repairing existing ones. By taking the following steps, you can extend the lifespan of your driveway and minimize the likelihood of new cracks forming.

Regular Maintenance

Regular maintenance is key to preventing cracks. Sweep your driveway regularly to remove debris, and wash it with a pressure washer at least once a year to remove dirt, oil, and other contaminants that can weaken the concrete. If you notice any small cracks forming, repair them immediately to prevent them from expanding.

Seal the Driveway

Sealing your concrete driveway is one of the most effective ways to protect it from damage. Concrete sealers create a protective barrier that prevents water, chemicals, and other substances from penetrating the surface.

This is particularly important in colder climates, where freeze-thaw cycles can cause the concrete to expand and contract, leading to cracks. It’s recommended to reseal your driveway every 2-3 years, depending on the type of sealer used and the level of traffic on your driveway.

Avoid Heavy Loads

Excessive weight on your driveway can cause it to crack or settle unevenly. To prevent this, avoid parking heavy vehicles or equipment on your driveway for extended periods. If you need to park heavy items, consider placing plywood or other protective materials under the tires to distribute the weight more evenly.

Proper Drainage

Poor drainage can lead to water pooling on your driveway, which can cause cracks and other damage over time. Ensure that your driveway has a proper slope to direct water away from the concrete. Additionally, keep gutters and downspouts clear of debris to prevent water from spilling onto the driveway.

5. When to Consider Replacement

In some cases, repairing cracks may not be enough to restore your driveway’s appearance and functionality. If your driveway has extensive cracking, severe structural issues, or is nearing the end of its lifespan, it may be time to consider a full replacement.

Signs You Need a New Driveway

Multiple large or deep cracks that can’t be easily repaired.
Uneven or sinking concrete that poses a tripping hazard.
Significant wear and tear, such as crumbling edges or pitting.
Aesthetic concerns that can’t be resolved with resurfacing or patching.

Benefits of a New Concrete Driveway

Replacing your driveway offers several benefits, including improved curb appeal, increased property value, and the assurance that your driveway will last for many years. A new driveway also allows you to customize the design and finish, ensuring it meets your current needs and preferences.

Choosing a Contractor

When selecting a contractor for your driveway replacement, it’s important to do your research. Look for contractors with experience in concrete work, positive reviews, and a portfolio of completed projects. Ask for a detailed estimate that includes all costs, timelines, and a warranty on the work.

Top 10 FAQs About Concrete Driveway Cracks

1. Why did my concrete driveway crack?

Concrete cracks due to various factors, including drying shrinkage, temperature changes, soil movement, and heavy loads.

2. Can I repair small cracks in my driveway myself?

Yes, minor cracks can often be repaired with DIY methods using concrete patching compounds or epoxy fillers.

3. How do I know if a crack is structural?

Structural cracks are usually wider, deeper, and may cause the concrete to shift or become uneven. It’s best to consult a professional if you’re unsure.

4. Will sealing my driveway prevent cracks?

Sealing helps protect your driveway from water infiltration and freeze-thaw cycles, which can reduce the likelihood of cracks forming.

5. How often should I reseal my concrete driveway?

It’s recommended to reseal your driveway every 2-3 years, depending on the sealer used and the level of traffic.

6. What is the best way to clean my concrete driveway?

Use a pressure washer or a mixture of mild detergent and water to clean your driveway. Avoid harsh chemicals that can damage the concrete.

7. Can cracks in my driveway be fixed permanently?

While most cracks can be repaired, some may require ongoing maintenance. Structural cracks may need professional repair for a more permanent solution.

8. Is it expensive to repair a concrete driveway?

The cost of repairs varies depending on the size and severity of the cracks. DIY repairs for minor cracks are inexpensive, while professional repairs can be more costly.

9. Should I replace my driveway if it has multiple cracks?

If your driveway has extensive cracking or severe structural issues, replacement may be the best option to ensure long-term durability.

10. How long will a new concrete driveway last?

A well-maintained concrete driveway can last 25-30 years or more, depending on factors like climate, usage, and maintenance.

Conclusion

Cracks in your concrete driveway can be a cause for concern, but with the right approach, they can be effectively managed or repaired.

By identifying the type of crack, assessing its severity, and choosing the appropriate repair method, you can maintain the integrity and appearance of your driveway for years to come.

Remember, regular maintenance and preventative measures are key to preventing future cracks and ensuring your driveway remains in top condition.

If you have any questions about our article, “What to Do When Your Concrete Driveway Cracks In Toronto” or need concrete repair services contact us at info@marcrete.ca or chat with us on social media.