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After researching and testing various sealers for concrete planters, we have identified the best option for most people. Our top pick for the best sealer for concrete planters is the Rain Guard Water Sealers SP-4006 Concrete Sealer.

Concrete planters are a popular choice for both indoor and outdoor gardens. They are durable, long-lasting, and can be customized to fit any decor style.

However, concrete is a porous material that can absorb water and other liquids, leading to cracks and damage over time. This is where a sealer for concrete planters comes in.

A sealer is a protective coating that can be applied to the surface of a concrete planter to help prevent water and other liquids from penetrating the material.

By doing so, it helps to extend the life of the planter and keep it looking like new. There are many different types of sealers available, each with its own unique benefits and drawbacks.

When choosing the best sealer for concrete planters, there are a few critical things to consider. The first is the type of sealer. There are two main types: penetrating sealers and topical sealers.

Penetrating sealers soak into the concrete, creating a protective barrier from the inside out. Topical sealers, on the other hand, sit on top of the concrete, forming a protective layer on the surface.

The second thing to consider is the level of protection the sealer provides. Some sealers are designed to provide a high level of protection against water, stains, and other liquids, while others may only offer minimal protection.

The third factor to consider is the ease of application. Some sealers require multiple coats or special equipment to apply, while others can be applied with a simple brush or roller.

Best Sealers for Concrete Planters

Concrete planters are a popular choice for outdoor decor due to their durability and versatility. However, they can be prone to cracking and staining if not properly sealed.

A good sealer can protect your concrete planters from the elements and help them last for years to come.

In this article, we’ve rounded up the best sealers for concrete planters that will provide a strong protective barrier while still allowing the natural beauty of the concrete to shine through.

1. Rain Guard Water Sealers SP-4006 Concrete Sealer

If you’re looking for a concrete sealer that will protect your concrete surfaces from weather, staining, and corrosion, Rain Guard Water Sealers Concrete Sealer is a great option.

This high-quality, water-based sealer is designed to create a long-lasting hydrophobic barrier that repels water, oil, and other contaminants, preserving the natural look of your surfaces while preventing damage.

Pros

  • Provides long-lasting protection against weathering, salt, dirt, freezing temperatures, UV light, and wind-driven rain
  • Can be used on a variety of surfaces, including garage floors, stamped concrete, countertops, driveways, walls, and patios
  • Easy to apply with a 16oz spray bottle

Cons

  • May not be as effective on extremely porous surfaces
  • May require multiple coats for the best results
  • May not be as durable as some other concrete sealers on the market

Rain Guard Water Sealers Concrete Sealer is a versatile and effective solution for protecting your concrete surfaces.

With its Micro-Lok technology, it creates a durable barrier that repels water, oil, and other contaminants, preventing weathering, staining, and corrosion while preserving the natural look of your concrete.

To use, simply prep the surface by removing stains with mild soap or Restore-N-Prep (sold separately), then apply the sealer using the 16oz spray bottle for optimal results.

The sealer dries down to a transparent, stain-resistant finish that won’t yellow or alter surface texture and appearance.

While Rain Guard Water Sealers Concrete Sealer may not be as effective on extremely porous surfaces, it is a great option for protecting a variety of concrete surfaces from damage caused by weather, staining, and corrosion.

Overall, it is a solid choice for anyone looking for a high-quality, water-based sealer for their concrete surfaces.

2. Tapel Liquid Rubber Waterproof Sealant

If you’re looking for an all-purpose waterproofing solution, Tapel Liquid Rubber Waterproof Sealant is a great option for sealing leaks and cracks on various surfaces, including concrete planters.

Pros

  • Offers a robust solution for all your sealing needs.
  • Effortless application through brushing, rolling, or pouring.
  • Forms a durable, protective layer that repairs and prevents leaks in critical areas.

Cons

  • Requires 3-4 layers for optimal protection.
  • May take longer to cure during extended periods of rain and cool weather.
  • Dries a lighter shade than black.

With exceptional adhesion, Tapel Liquid Rubber Waterproof Sealant repairs and seals, providing a rubber roof coating that withstands both low and high temperatures.

It’s also effective on gutters, skylights, chimneys, and PVC pipe joints, ensuring a waterproof seal that repairs and prevents leaks in critical areas.

The waterproof insulating sealant is specifically formulated to resist adverse weather, offering long-lasting waterproofing that’s both low-temperature and heat-resistant.

Despite its robustness, it’s advisable to apply it in favorable weather to ensure rapid curing, with a recommended use temperature of 10˚C/50˚F or higher to guarantee effectiveness.

In conclusion, Tapel Liquid Rubber Waterproof Sealant is an excellent choice for those looking for a versatile, all-purpose waterproofing solution.

Its comprehensive protection and leak repair capabilities, coupled with its adaptability to extreme weather conditions, make it a top contender for sealing concrete planters and other surfaces.

3. Rain Guard Water Sealers SP-4004 Concrete Sealer

If you’re looking for a reliable and effective solution to protect your concrete surfaces from damage caused by weather, staining, and corrosion, then Rain Guard Water Sealers Concrete Sealer is a great choice.

This high-quality sealer is perfect for both indoor and outdoor use, and it provides long-lasting protection against a variety of contaminants, including water, oil, and other types of staining agents.

Pros

  • This concrete sealer is easy to apply and absorbs deep into the surface, inhibiting moisture damage.
  • It creates a long-lasting filmless hydrophobic barrier against weathering, salt, dirt, freezing temperatures, wind-driven rain, and other damaging elements.
  • It can be used on a wide range of concrete surfaces, including garage floors, stamped concrete, countertops, driveways, walls, and patios.

Cons

  • It can take a while for the sealer to dry completely.
  • Some users have reported that the sealer can leave a slightly cloudy finish on the surface.
  • The sealer may need to be reapplied every few years, depending on the level of wear and tear on the surface.

Overall, Rain Guard Water Sealers Concrete Sealer is a great choice for anyone looking to protect and preserve their concrete surfaces.

The sealer is easy to apply and provides long-lasting protection against a variety of contaminants, making it a smart investment for any homeowner.

4. SEAL DOC Concrete Countertop Sealer

If you’re looking for a food-safe and non-toxic sealer for your concrete planters, the SEAL DOC Concrete Countertop Sealer may be a good option for you.

Pros

  • The satin finish sealer covers a decent amount of area per bottle.
  • The water-based formula is food-safe and non-toxic.
  • The sealer is specifically designed for concrete surfaces such as countertops and sinks.

Cons

  • The detailed application instructions can be overwhelming for some users.
  • The sealer may not be as durable as some other products on the market.
  • The sealer may not be suitable for outdoor use.

SEAL DOC Concrete Countertop Sealer is a water-based formula that is specifically designed for concrete surfaces such as countertops and sinks. The sealer penetrates deep into the concrete while leaving a durable shell on the surface.

The satin finish sealer covers 45-60 square feet per 750ml bottle, making it a cost-effective option for those with multiple planters to seal (check out the best matte finish concrete sealer).

One of the biggest advantages of the SEAL DOC Concrete Countertop Sealer is that it is food-safe and non-toxic.

This means that it is safe to use on surfaces that come into contact with food, making it a great option for those who want to seal their concrete planters for use as herb gardens or other edible plants.

However, the detailed application instructions supplied with every purchase can be overwhelming for some users. It may take some time and effort to get the application just right, which can be frustrating for those who are new to using concrete sealers.

Additionally, the sealer may not be as durable as some other products on the market. It may not hold up as well to heavy use or exposure to the elements, which can be a concern for those who are using the sealer on outdoor planters.

Overall, if you’re looking for a food-safe and non-toxic sealer for your concrete planters, the SEAL DOC Concrete Countertop Sealer is a good option to consider.

Just be prepared to spend some time and effort getting the application just right, and keep in mind that it may not be the most durable option on the market.

5. MasonryDefender All Purpose Water Sealant

This clear, waterproofing sealant from MasonryDefender is an excellent choice for those looking to protect their exterior, porous masonry, and concrete surfaces.

It is compatible with a wide range of materials, including concrete, brick, natural stone, granite, and more.

Pros

  • Provides waterproofing and protection from water damage and freeze/thaw damage
  • 100% breathable, which prevents pitting, cracking, and delaminating
  • Water-based and low odor, making it easy to clean up with soap and water

Cons

  • May require multiple coats for optimal protection
  • Can be difficult to apply it evenly
  • May not be suitable for all types of surfaces

This sealant is an excellent choice for those looking for a clear, penetrating water sealant that provides long-lasting protection against water damage. Its breathable formula allows trapped moisture to escape, preventing damage to your masonry and concrete surfaces.

To apply, simply clean the surface to be sealed, and then apply the sealant evenly using a brush, roller, or sprayer. Be sure to follow the manufacturer’s instructions for best results.

Overall, if you’re looking for a reliable and effective water sealant for your concrete planters or other exterior masonry and concrete surfaces, the MasonryDefender All Purpose Clear Penetrating Water Sealant is definitely worth considering.

Buying Guide

When choosing a sealer for concrete planters, there are several factors to consider. Here are some key features to look for:

Type of Sealer

There are two main types of sealers for concrete planters: penetrating sealers and film-forming sealers. Penetrating sealers penetrate the surface of the concrete and provide long-lasting protection against water and other liquids.

Film-forming sealers sit on top of the concrete and create a protective layer that is more visible. Both types have their advantages and disadvantages, so it’s important to choose the one that best suits your needs.

VOC Content

Volatile organic compounds (VOCs) are chemicals that can be harmful to the environment and human health.

Some sealers contain high levels of VOCs, so it’s important to choose a product with low VOC content. Look for products that meet the VOC regulations in your area.

Durability

Concrete planters are exposed to harsh weather conditions and regular wear and tear, so it’s important to choose a sealer that is durable and long-lasting.

Look for products that are specifically designed for outdoor use and provide protection against UV rays, water, and stains.

Application Method

Some sealers require special equipment or professional application, while others can be applied with a brush or roller. Consider the application method when choosing a sealer to ensure that it is easy to apply and fits your skill level.

Cost

Sealers can vary greatly in price, so it’s important to consider your budget when choosing a product. Keep in mind that higher-priced sealers may offer better durability and protection, but may not always be necessary for your specific needs.

By considering these factors, you can choose the best sealer for your concrete planters that provides long-lasting protection and enhances their appearance.

You might also be interested in checking out the best sealer for cement tiles.

Frequently Asked Questions

What is the most effective method to waterproof concrete planters?

The most effective method to waterproof concrete planters is by applying a sealer.

Sealing the concrete surface helps to prevent water and moisture from penetrating the surface of the planter. This helps to prevent the planter from cracking or breaking due to the expansion and contraction of water.

Which sealers are safe for plants when used on concrete planters?

When selecting a sealer for concrete planters, it is important to choose a sealer that is safe for plants. Look for sealers that are labeled as “food safe” or “plant safe”. Some sealers may contain harmful chemicals that can be harmful to plants or the environment.

How can you ensure a concrete planter is suitable for outdoor use?

To ensure a concrete planter is suitable for outdoor use, it is important to choose a planter that is made from high-quality concrete that is designed to withstand the elements.

Look for planters that are labeled as “outdoor safe” or “weather-resistant”. Additionally, it is important to seal the planter with a waterproof sealer to prevent water damage (find out the best sealer for driveway).

What are the best practices for sealing indoor concrete planters?

When sealing indoor concrete planters, it is important to choose a sealer that is safe for indoor use and does not emit harmful fumes.

It is also important to ensure that the planter is clean and dry before applying the sealer. Follow the manufacturer’s instructions carefully for best results.

How often should concrete planters be resealed to maintain their durability?

The frequency of resealing concrete planters depends on factors such as the climate, the amount of exposure to water, and the quality of the sealer used. In general, it is recommended to reseal concrete planters every 1-3 years to maintain their durability.

Are there eco-friendly sealing options for concrete planters?

Yes, there are eco-friendly sealing options for concrete planters. Look for sealers that are labeled as “eco-friendly” or “water-based”. These sealers are made from natural ingredients and are safer for the environment.

By Robin M


Robin remains an active participant in the skilled trades community. His hands-on involvement in projects, coupled with a genuine enthusiasm for helping others succeed in their home improvement pursuits, reflects his commitment to empowering readers with the knowledge they need to tackle projects confidently.

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