Best Concrete Patio Sealers: Protect Your Patio, Enhance Its Look

Concrete sealers are essential for protecting surfaces from water damage, stains, and general wear and tear. They are especially important for outdoor concrete surfaces, which are susceptible to damage from the elements. Concrete sealers can also be used to enhance the colour or gloss of concrete surfaces. There are two main types of concrete sealers: film-forming sealers, which form a coating on the surface of the concrete, and penetrating sealers, which penetrate the concrete to form a chemical barrier. When choosing a concrete sealer, it is important to consider the type of surface being sealed, the desired level of protection, and the desired appearance of the sealed concrete.

Concrete patio sealer reviews

Concrete sealers are essential for protecting surfaces from water damage, stains, and general wear and tear. They can also enhance the appearance of concrete patios, making colours more vibrant and giving them a glossy finish.

There are two main types of concrete sealers: film-forming sealers and penetrating sealers. Film-forming sealers include acrylic, epoxy, and urethane sealers, which form a coating on the surface of the concrete. Penetrating sealers include silanes, siloxanes, silicates, and siliconates, which penetrate the concrete to form a chemical barrier.

When choosing a concrete sealer, it's important to consider the type of surface you'll be sealing, the desired finish, and the level of protection needed. Here are some reviews of popular concrete sealers on the market:

Foundation Armor AR350 Wet Look Concrete Sealer:

Foundation Armor AR350 is a top-rated concrete sealer that delivers a smooth and simple application. It has a breathable and non-yellowing formula that enhances dull, faded colouring. It can be applied to unsealed concrete or previously sealed surfaces. This sealer helps protect against surface abrasion, freeze-thaw cycles, and chemical exposure. It is suitable for indoor and outdoor use and can last up to 3 years outdoors and 7 years indoors before recoating is needed. In reviews, users praise its smooth application process and effective protection against water, grease, and harsh weather conditions.

MasonryDefender Concrete Driveway Sealer:

This sealer is an affordable and eco-friendly option, specially formulated for concrete driveways, patios, and other outdoor applications. It has a water-based silane/siloxane blend that penetrates concrete and creates an invisible barrier against water, stains, and chemical damage. It is easy to apply and can be brushed or sprayed on. It leaves a non-glossy finish, keeping concrete looking clean and fresh. In reviews, users highlight its effectiveness, ease of application, and value for money.

Ghostshield Siloxa-Tek 8500 Concrete Sealer:

Ghostshield Siloxa-Tek 8500 is a water-based, low-VOC penetrating concrete sealer. It quickly penetrates concrete surfaces, creating a protective shield against chemicals, stains, and mildew. It won't alter the appearance of the concrete and is suitable for both indoor and outdoor use. While it is slightly more expensive than similar products, it provides excellent protection and quick curing time. Users appreciate its ease of application and effective stain resistance, although some mention the need for multiple coats for best results.

Eagle Armor Seal Urethane Acrylic Concrete Sealer:

Eagle Armor Seal is an interior concrete sealer that provides a durable and attractive sheen. It is easy to apply with a paintbrush or roller and is designed for indoor concrete surfaces. It protects against damage and wear, and users appreciate its ability to repel stains and maintain its sheen over time. However, it is not suitable for outdoor use.

TotalBoat TableTop Epoxy Resin Kit:

The TotalBoat TableTop epoxy sealer offers a crystal-clear, durable, and smooth finish. It is a two-part epoxy resin and hardener system that is BPA-free and food-safe when cured. While it requires careful mixing and application, it effectively fills in small cracks and patches, creating a glossy finish. It is suitable for indoor use only and should not be used on hot surfaces. Users appreciate its self-levelling properties and stain resistance, although it requires heat to eliminate bubbles.

Seal-Once Nano + Poly Concrete and Masonry Sealer:

Seal-Once Nano + Poly is an eco-friendly concrete sealer that combines penetrating nanotechnology with polyurethane. It protects against water damage and enhances the durability of concrete surfaces. It offers a clear matte finish that is non-yellowing and resistant to cracking and scratching. While it emits some VOCs and odours, it effectively repels water and stains. Users appreciate its eco-friendly formula and attractive finish, but note that it doesn't protect against de-icing salts.

EcoProCote Eco-Tuff Clear Coat Polyurethane Sealer:

The EcoProCote Eco-Tuff sealer is a sustainable and non-toxic concrete sealer. It is plant-based, VOC-free, and free of Red List chemicals. It provides a durable, clear finish that is suitable for indoor and outdoor use on various surfaces. This sealer effectively repels water and stains, although it requires multiple coats for optimal results. Users praise its lack of odour and effective protection, but some mention the need for additional coats for full coverage.

Concrete sealer application tips

Concrete sealers are essential for protecting surfaces from water damage, stains, and general wear and tear. Here are some tips to ensure a successful application:

• Clean and dry the surface: Before applying the sealer, ensure that the concrete surface is thoroughly cleaned and dried. Any spills, such as oil or food, should be addressed immediately to prevent staining.
• Allow new concrete to cure: For new concrete surfaces, it is recommended to wait at least 28 days for the concrete to fully cure before sealing.
• Choose the right weather conditions: The ideal weather for sealing concrete is dry and above 50°F.
• Apply thin layers: Always apply the sealer in thin layers, and two coats are generally recommended for the best protection.
• Consider the type of sealer: Solvent-based sealers are best applied using a spray, while water-based sealers are more suitable for rollers. If you have textured concrete, be careful not to apply the sealer too thickly, as it may pool.
• Follow instructions: Each sealer product will have specific instructions, so be sure to read and follow them carefully.
• Ensure proper ventilation: During application, open doors and windows for good ventilation to avoid inhaling toxic fumes.
• Wear protective gear: Concrete sealers can be irritating to the skin, eyes, and throat, so wear long sleeves, pants, gloves, eye protection, and a mask or respirator.
• Calculate the amount of sealer needed: Determine the square footage of the area to be sealed and the coverage rate of the sealer. It's a good idea to have more sealer on hand than you think you need to avoid stopping and starting, which can cause problems.
• Reseal every few years: Depending on the type of sealer and the amount of wear, concrete should be resealed every 1 to 3 years. Look for signs such as water soaking into the concrete instead of beading up or the sealer appearing scratched and worn.

Concrete sealer drying times

Acrylic sealers are the fastest-drying type, becoming dry to the touch within an hour. Penetrating sealers take about 3 hours to dry to the touch and are ready for foot traffic in 6 to 12 hours. Epoxies and urethanes take the longest to dry, with a curing time of up to 48 hours.

Water-based sealers are recommended for indoor use as they don't contain harmful chemicals. However, solvent-based acrylic sealers can be used indoors if the area is well-ventilated.

When applying concrete sealer, it is important to ensure that the surface is clean and dry. Concrete should also be fully cured before sealing—usually, this means waiting at least 28 days after installation.

Different sealers will also have different coverage rates, so be sure to check the manufacturer's instructions to determine how much sealer you need for your project.

Once the sealer has been applied, it is important to allow adequate drying time before using the surface. This will ensure that the sealer has fully cured and will provide the best protection for your concrete.

Concrete sealer longevity

Concrete sealers are essential for protecting surfaces from water damage, stains, and general wear and tear. The longevity of a concrete sealer depends on several factors, including the type of sealer, application method, and maintenance.

Type of Sealer

Penetrating sealers, such as silanes, siloxanes, and silicates, are known for their longevity. They can last a lifetime if properly applied and maintained. These sealers form a chemical barrier beneath the surface of the concrete, preventing water and chemical intrusion. They are ideal for exterior applications and can protect concrete for many years.

On the other hand, soft acrylic sealers are less durable and typically need to be reapplied every one to three years. They provide solid protection at a lower price point but are more susceptible to wear and tear. Epoxy sealers are more durable and can last up to ten years. However, they limit the surface's permeability due to their thickness.

Application Method

The application method can also impact the longevity of a concrete sealer. Solvent-based sealers are typically spray-applied, while water-based sealers are best applied using a roller. Proper surface preparation, such as cleaning and drying the concrete, is crucial for ensuring good adhesion of the sealer.

Maintenance

To extend the life of a concrete sealer, regular maintenance is essential. This includes promptly cleaning spills, addressing cracks, and sweeping away debris. Additionally, concrete surfaces should be resealed every one to three years, depending on the type of sealer and the amount of wear and tear.

Concrete sealer safety

Concrete sealers are essential for protecting surfaces from water damage, stains, and other contaminants. Concrete is porous, so it needs to be sealed to prevent water and air from passing through and causing cracks and other damage.

There are two main types of concrete sealers: film-forming and penetrating. Film-forming sealers include acrylics, epoxies, and urethanes, which form a coating on the surface of the concrete. Penetrating sealers, such as silanes, siloxanes, silicates, and siliconates, penetrate the concrete to form a chemical barrier. Both types of sealers have their own advantages and disadvantages, and the best type for a particular project will depend on various factors.

When working with concrete sealers, it is important to take safety precautions as they can be toxic and cause skin or eye irritation. Here are some tips for safe handling of concrete sealers:

• Ensure good ventilation in the work area by opening doors and windows.
• Wear a mask or respirator to avoid inhaling toxic fumes.
• Wear long sleeves, pants, gloves, good shoes, and eye protection to protect your skin and eyes from the sealer.
• Wash well after applying the sealer to remove any residue.
• Be cautious of volatile organic compounds (VOCs) present in some sealers. Water-based sealers tend to have lower VOC levels and are generally safer.
• Always follow the instructions on the specific sealer you are using, as improper application can lead to sealer failure.
• Allow new concrete to cure fully before sealing, usually for at least 28 days.
• Seal concrete when the weather is dry and above 50°F.
• Apply the sealer in thin layers, and two coats typically provide the best protection.
• Solvent-based sealers are best applied with a spray, while water-based sealers are better applied with a roller.
• Be cautious when sealing textured concrete to avoid pooling by applying the sealer too thickly.

By following these safety guidelines, you can effectively seal your concrete patio while minimizing potential hazards to yourself and the environment.

Frequently asked questions