Business Hours

Mon - Fri: 8am - 6pm

Sat: 8am - 1pm

Call Us

(248) 795-8698

 

Email Us

Prompt Response!

 

Preventing and Repairing Concrete Erosion Around Pools and Patios

5.6 Minutes

September 30, 2025 | Bethel Custom Brick Return to the blog home page

Concrete is a popular material for pool decks and patios due to its durability, slip resistance, and low maintenance. However, over time, pool and patio concrete surfaces can experience erosion due to weather, water exposure, and heavy foot traffic. Concrete erosion not only impacts the appearance of your outdoor spaces but can also lead to structural issues if left unaddressed. Here’s a guide to understanding, preventing, and repairing concrete erosion around pools and patios to keep these areas safe, attractive, and functional.

What Causes Concrete Erosion Around Pools and Patios?

Several factors contribute to concrete erosion around pools and patios:

  • 1. Water Exposure: Pools and patios are constantly exposed to water, whether from pool splash-outs, rainfall, or cleaning. Water can seep into the surface, weakening the concrete over time. If this water freezes and expands during colder months, it can lead to surface cracking, spalling, and erosion.
  • 2. Chemicals: Pool chemicals, including chlorine and salt, are essential for maintaining water quality but can be harsh on concrete surfaces. These chemicals can degrade the concrete over time, leading to surface wear and erosion, particularly around pool edges.
  • 3. Weather Conditions: Weather plays a significant role in concrete erosion. In areas with extreme temperature fluctuations, concrete is subjected to freeze-thaw cycles, which can weaken and crack the surface. Additionally, UV exposure from the sun can cause the concrete to dry out and erode faster.
  • 4. Foot Traffic and Heavy Loads: Frequent foot traffic, outdoor furniture, and equipment placed on patios can cause abrasion, leading to gradual erosion. Heavy loads, especially in areas with weak spots, can also contribute to surface wear and cracking.

Tips for Preventing Concrete Erosion Around Pools and Patios

Several factors contribute to concrete erosion around pools and patios:

How Often to Seal:

Reseal the concrete every two to three years, or more frequently if the surface is heavily used. For areas exposed to pool chemicals, a sealant specifically designed to resist chlorinated or saltwater environments is ideal.

  • 2. Ensure Proper Drainage: Poor drainage can cause water to pool on concrete surfaces, accelerating erosion. Proper drainage around pools and patios ensures that water flows away from the concrete, preventing it from penetrating and eroding the surface.

Drainage Solutions:

Check that pool decks have adequate slope to direct water away from the pool area. Installing perimeter drains, French drains, or sloped landscaping can also help divert water and keep concrete surfaces dry.

  • 3. Use Pool-Friendly Cleaning Practices: When cleaning pool and patio areas, avoid using harsh chemicals that could damage the concrete. Opt for pH-neutral cleaners and avoid frequent power washing, as high-pressure water can wear down the surface over time.

Alternative Cleaning Methods:

A soft brush and mild soap are often sufficient for removing dirt, algae, or residue without eroding the concrete. For regular maintenance, sweeping and rinsing with a garden hose can keep the area clean without the need for aggressive cleaning tools.

  • 4. Add Outdoor Mats or Pads: In high-traffic areas, such as entrances to the pool or lounging spots on patios, consider using outdoor mats or pads. These provide an extra layer of protection between feet or furniture and the concrete surface, reducing wear in these areas.

Protective Mats for Poolside:

Choose slip-resistant mats or pads specifically designed for outdoor use. These mats can also help reduce dirt and debris brought into the pool, keeping the water cleaner and reducing the need for harsh cleaning chemicals.

  • 5. Avoid Using De-Icing Salts in Winter: If your pool or patio area is exposed to cold weather, avoid using de-icing salts, which can accelerate concrete erosion. De-icing salts penetrate the concrete, causing scaling, spalling, and cracking as they interact with water.

Alternative Solutions:

Use sand or non-corrosive ice melt products in areas surrounding the pool and patio to improve traction in winter without causing erosion or damaging the concrete.

Repairing Concrete Erosion Around Pools and Patios

If you notice signs of erosion, such as surface flaking, cracking, or discoloration, it’s important to address these issues promptly to prevent further damage. Here are some effective repair methods for concrete erosion:

  • 1. Resurfacing the Concrete: For moderate erosion, resurfacing the concrete is often an effective solution. Resurfacing involves applying a new layer of concrete or a specialized resurfacing compound over the existing surface to restore its appearance and durability. This new layer bonds with the original concrete, creating a smooth, even surface that can withstand future wear.

Benefits of Resurfacing:

Resurfacing not only repairs the eroded areas but also provides a fresh surface that can be sealed to prevent further erosion. It’s a cost-effective solution for larger areas where minor patching wouldn’t suffice.

  • 2. Patching and Filling Cracks: If there are small cracks or chips in the concrete, patching them can help prevent further erosion. Use a high-quality concrete patching compound or filler to seal cracks, creating a watertight barrier that prevents moisture from entering the surface.

When to Patch:

Patching is most effective for minor cracks and small areas of erosion. Regular inspections can help you catch and repair these minor issues before they spread, preserving the surface and reducing repair costs.

  • 3. Grind and Polish for Minor Erosion: In cases of light erosion or surface roughness, grinding and polishing the concrete can restore a smooth finish. This method removes the top layer, revealing a fresh surface that can be sealed to protect against future erosion.

Polishing and Sealing:

After grinding, apply a durable sealant to protect the restored surface from water and chemical exposure. Polished concrete offers a refined appearance, making it ideal for patios and pool areas where aesthetics are important.

  • 4. Reinforcing Edges and High-Wear Areas: Pool edges and high-traffic areas are often the first to show signs of erosion. Reinforcing these areas with additional material or edging solutions can prevent damage from spreading. Concrete edge protectors, metal trims, or reinforced borders help support the concrete, reducing erosion at vulnerable spots.

Edge Maintenance:

Keep these reinforced areas clean and check them regularly for signs of wear. Reinforcing edges is a preventive step that can make repairs last longer, especially in pool areas where water splashes are frequent.

Benefits of Professional Concrete Repair for Erosion

While some minor repairs can be handled by homeowners, professional concrete repair offers a longer-lasting solution, especially for extensive erosion. Professionals have access to high-quality materials and advanced techniques that ensure durable, visually appealing results.

  • Quality Materials: Professionals use industrial-grade sealants, patching compounds, and resurfacing materials designed to withstand outdoor conditions and frequent water exposure.
  • Advanced Techniques: Professionals have the skills to use advanced repair methods, such as slab leveling, joint filling, and grinding, which provide a smoother, more durable finish.
  • Long-Lasting Solutions: Professional repair can often restore concrete surfaces to their original strength, extending the life of pool decks and patios.

Bethel Custom Brick – Pool and Patio Concrete Repair Experts in the Detroit Metro Area

Concrete erosion around pools and patios can create safety hazards and costly damage if left untreated. At Bethel Custom Brick, we offer Concrete Patio and Pool Deck Repair, Resurfacing, and Erosion Prevention Servicesconcrete patio and pool deck repair, resurfacing, and erosion prevention services for homeowners throughout the Detroit Metro area. From crack repair and protective sealing to full resurfacing, our expert team uses high-quality materials and proven techniques to restore your outdoor surfaces and keep them erosion-resistant for years to come.

Contact Bethel Custom BrickContact us today for a free estimate and let us help you protect your pool and patio investment.

Frequently Asked Questions About Preventing & Repairing Concrete Erosion

Concrete erosion is caused by water exposure from pool splash-outs, rainfall, or cleaning that weakens the surface; pool chemicals like chlorine and salt that degrade concrete over time; weather conditions including freeze-thaw cycles and UV exposure; and foot traffic and heavy loads from outdoor furniture that cause abrasion and gradual wear.

Water seeps into the concrete surface, weakening it over time. If this water freezes and expands during colder months, it leads to surface cracking, spalling, and erosion. Pools and patios are constantly exposed to water from splash-outs, rainfall, and cleaning, making them particularly vulnerable to water-related erosion.

Pool chemicals, including chlorine and salt, are essential for maintaining water quality but can be harsh on concrete surfaces. These chemicals degrade the concrete over time, leading to surface wear and erosion, particularly around pool edges where chemical exposure is most concentrated.

Reseal concrete every two to three years, or more frequently if the surface is heavily used. For areas exposed to pool chemicals, use a sealant specifically designed to resist chlorinated or saltwater environments. Sealing creates a barrier that prevents water, pool chemicals, and dirt from penetrating the surface.

Poor drainage causes water to pool on concrete surfaces, accelerating erosion. Proper drainage ensures water flows away from concrete, preventing penetration and erosion. Check that pool decks have adequate slope to direct water away, and consider installing perimeter drains, French drains, or sloped landscaping.

Avoid harsh chemicals that could damage concrete. Use pH-neutral cleaners and avoid frequent power washing, as high-pressure water can wear down the surface. A soft brush and mild soap are often sufficient for removing dirt, algae, or residue. For regular maintenance, sweeping and rinsing with a garden hose works well.

No, avoid de-icing salts which accelerate concrete erosion. De-icing salts penetrate the concrete, causing scaling, spalling, and cracking as they interact with water. Use sand or non-corrosive ice melt products in areas surrounding pools and patios to improve traction in winter without causing damage.

Resurfacing involves applying a new layer of concrete or specialized resurfacing compound over the existing surface to restore appearance and durability. The new layer bonds with original concrete, creating a smooth, even surface that can withstand future wear. It's a cost-effective solution for larger areas with moderate erosion.

Patch small cracks or chips promptly to prevent further erosion. Use a high-quality concrete patching compound or filler to seal cracks, creating a watertight barrier that prevents moisture from entering. Patching is most effective for minor cracks and small erosion areas. Regular inspections help catch minor issues before they spread.

In cases of light erosion or surface roughness, grinding and polishing removes the top layer, revealing a fresh surface. After grinding, apply a durable sealant to protect the restored surface from water and chemical exposure. Polished concrete offers a refined appearance, making it ideal for patios and pool areas where aesthetics are important.

Pool edges and high-traffic areas show erosion signs first. Reinforce these areas with additional material or edging solutions to prevent damage from spreading. Concrete edge protectors, metal trims, or reinforced borders help support the concrete, reducing erosion at vulnerable spots. Keep reinforced areas clean and check regularly for wear.

Yes, in high-traffic areas such as pool entrances or lounging spots, outdoor mats or pads provide an extra layer of protection between feet or furniture and the concrete surface, reducing wear. Choose slip-resistant mats specifically designed for outdoor use. They also help reduce dirt and debris brought into the pool.

Bethel Custom Brick specializes in preventing and repairing concrete erosion around pools and patios for homeowners throughout the Detroit Metro area. Our expert team provides solutions like resurfacing, crack repair, and sealing to restore the appearance and durability of your outdoor spaces. With our high-quality materials and advanced techniques, we'll ensure your pool and patio areas stay safe, beautiful, and erosion-resistant.

Contact Us Today