Best Concrete Sealer for Shop Floor in 2024 | Top 5 Picks

concrete sealer for shop floor

The concrete on your shop floor will gradually degrade because of welding, heavy vehicles, and chemicals & petroleum products. Over time, concrete becomes more prone to deterioration from impact, abrasion, and vibration. 

Spills absorb in concrete, which makes it harder to clean and a slip hazard. Without sealing the surface, these problems will only worsen. Eventually, you’ll have to replace the entire floor. 

With the best concrete dealer, you can significantly extend the life of your shop floor and avoid costly repairs. It also protects the surface from stains and discoloration in the long run.

Here we will share some concrete shop floor sealers that prevent the workshop floor from cracks, fading, and efflorescence.

RadonSeal Plus Deep-Penetrating Concrete Sealer

Highlighted Features:
👍 ECO-Friendly
👍 Prevent water seepage
👍 Radon mitigation
👍 Reduces cracking
👍 Permanent & paintable

MasonryDefender Penetrating Concrete Sealer for Shop Floor

Highlighted Features:
👍 Eco-friendly
👍 Clear protection
👍 Non-glossy
👍 Residue-free
👍 Water repellent

Ghostshield Water and Salt Repellent Penetrating Concrete Sealer

Highlighted Features:
👍 Low VOC formula
👍 Non-film forming
👍 6x higher actives
👍 Freeze-thaw protection
👍 Covers up to 250 sq ft

Is Water-Based Concrete Sealer Any Good for Shop Floor?

concrete sealer reviews

Any good concrete sealer will protect your auto shop floor from damage caused by scratch, moisture, staining, and abrasion. A water-based sealer will do all of those things and allow your floor to breathe. When a floor that can’t breathe. It is more likely to develop mold and mildew.

These penetrating sealants provide excellent durability and resist staining. Water-based sealers are less toxic than solvent-based sealers and have very little odor. They are also easier to clean up and less likely to cause skin irritation. 

What is the Most Durable Shop Floor Coating?

polished concrete

A penetrating sealer is the most durable and lasts longer than other coatings. It will protect your floor for many years to come if applied correctly. 

Many different types of coatings are available, but to us, water-based epoxy is the most popular choice for shop floors. Epoxy coatings are extremely durable and resist both impact and abrasion. A water-based coating or sealer is a smart option because it is less toxic. 

This auto shop floor coating is also easy to clean and maintain. Since a shop floor is indoors, we can consider RadonSeal plus deep-penetrating sealer as a floor coating that will last 20 years.

RadonSeal Plus Deep-Penetrating Concrete Sealer

RadonSeal Plus is a deep-penetrating concrete sealer that prevents water seepage and strengthens surfaces against dusting, freeze-thaw, and other damaging effects. It is environmentally friendly and safe to use around pets and children.

It prevents road salts and radon gas from permeating through concrete. It is a zero VOCs concrete sealer, so you can assure that it will not harm your body and environment. You can paint over the sealer once it has dried.

Why Should You Consider This Product?

RadonSeal Plus is a deep penetrating concrete sealer that seals old dusting surfaces. The sealant is paintable, so you can keep your shop looking great.

It also helps decrease humidity levels. RadonSeal plus deep-penetrating concrete sealer can be used on many surfaces, including driveways, garage floors, patios, and sidewalks. 

You don’t have to worry about any stains after sealing since RadonSeal Plus doesn’t leave any behind. This sealant can reduce radon levels by up to 90%. It is easy to apply and can be used on both indoor and outdoor concrete surfaces.

Positive Things:

  • Seals old dusting concrete
  • Helps decrease humidity levels
  • No stains after sealing
  • Can be used on a variety of surfaces
  • Prevents radon gas from entering home

Negative Thing:

  • Produces an odor but goes on easily

Top Reviews for the Best Concrete Sealers for a Shop Floor:

A concrete sealer is necessary to protect your shop floor from cracks or chips under heavy usage. There are many shop floor concrete sealers, but not all work equally well. Here are a few top concrete sealers for shop floors based on their durability, coverage, and use features.

MasonryDefender Penetrating Concrete Sealer for Shop Floor

MasonryDefender comes with a penetrating concrete sealer that controls water damage. It is made with a silane siloxane material that provides a clear color and is eco-friendly.

This product dries to a non-glossy finish and leaves no residue behind, so your floor will look just as it did before you applied it. It does not alter the color of your indoor concrete, so you can be sure it will remain consistent.

With a brush or roller, you can apply it easily by pouring it on the stamped concrete surface and spreading it around. MasonryDefender covers 90-150 square feet of concrete floor with one gallon.

Why Should You Consider This Product?

You can easily apply a penetrating concrete sealer with a pump sprayer. The floor coating can be applied with a roller or brush and dries after 24 hours. 

A MasonryDefender penetrating concrete sealer for the shop floor forms a protective barrier against water, rain, and other weathering elements. It allows the concrete to breathe. Rainwater beads up on the concrete surface and prevents slipping.

You’ll love how your shop floor looks after using MasonryDefender penetrating concrete sealer. This floor coating prevents staining and fading, and it leaves no residue.

Positive Things:

  • Doesn’t cause mixing issues 
  • Quick and easy to apply
  • Leaves no residue
  • Shedding water away from the concrete
  • Prevents staining and fading

Negative Things:

  • Lack of proper coating can result in dark spots
  • Salt shortens the lifespan compared to water

Ghostshield Water and Salt Repellent Penetrating Concrete Sealer

The sealer by Ghostshield is a clear, colorless liquid applied to concrete floors to protect it from staining and water damage. It is made of a silane/siloxane engineered formula that leaves the original natural appearance of the concrete unchanged. 

As a breathable and non-film-forming sealant, it will not trap moisture under the sealant layer. Ghostshield contains high levels of actives, making it a more effective solution than other concrete sealers on the market. 

You can use it to protect your concrete floor from water and moisture intrusion. It resists wind-driven rain and freeze-thaw protection. The low VOC formula is safe for both indoor and outdoor use. Using one gallon, you can cover up to 250 sq ft.

Why Should You Consider This Product?

Ghostshield water and salt repellent penetrating concrete sealer is very easy to measure and mix with water. It is also very easy to apply and dries quickly. This floor coating does not darken the appearance of the concrete, making it a great choice for projects where a natural look is desired.

It beads up on surfaces and rolls away, not penetrating the concrete. This makes it ideal for protecting concrete from weathering and staining.

You can protect your concrete from salt damage with this non-toxic and environmentally friendly sealer. This sealant covers 140 square feet with two coats, making it suitable for small to medium-sized projects.

Positive Things:

  • Provides water repellency
  • Easy to mix and apply
  • Protects against rain for 24 hrs
  • Non-toxic and environmentally friendly
  • Covers 140 square feet with 2 coats

Negative Thing:

  • Using the sealer improperly reduces its lifespan

PROSOCO Penetrating Breathable Sealer for Concrete

It is compliant with VOCs and leaves no surface film. As this floor coating has a natural appearance, it can be a great choice for concrete surfaces. 

With this product, you can prevent water-related stains and protect your concrete against deterioration caused by moisture. You can also use it to prevent moisture intrusion into concrete. 

It is great for areas where you need extra protection against the elements. This sealer covers up to 300 sq ft, so it’s perfect for large projects. You can use it on horizontal and vertical surfaces.

Why Should You Consider This Product?

The PROSOCO penetrating breathable sealer for concrete is a ready-to-use coating that protects from road salt damage. It works by sealing the concrete and preventing moisture from entering while still allowing the concrete to breathe. 

Concrete will cure properly, and cracks won’t form. It also prevents freeze-thaw damage, which can be very costly. You can apply this sealer with a pump hand sprayer, which dries quickly so you can get back to your project.

This sealant is top-quality and suitable for driveways and garage floors. It can also be used on concrete around pools to provide a durable seal.

Positive Things:

  • Ready-to-use sealer
  • Repels rainwater completely
  • Protects from road salt damage
  • Prevents freeze-thaw damage
  • Works well with a pump hand sprayer
  • Pool concrete can be treated

Negative Things:

  • Applications inappropriately appear blotchy surface
  • Unsuitable above 95°F or below 40°F

Concrete Sealers USA Siliconate Penetrating Concrete Sealer

Penetrating concrete sealer is a clear, water-based product designed to combat freeze. It has great water-repellent properties because it protects concrete surfaces from weathering and damage.

The product reduces efflorescence and dirt buildup on shop floors. It also retards organic growth, making it easier to clean. This sealer is zero VOC, making it suitable both indoors and outdoors.

Why Should You Consider This Product?

Concrete Sealers USA siliconate penetrating concrete sealer is a non-toxic, water-based sealer that applies like water. It leaves no streaks and works great on smooth concrete.

This concrete shop floor sealer repels water and protects cement from staining and moisture. It does not leave any white areas when it dries, which makes it perfect for indoor and outdoor applications.

You can easily apply it to your concrete surfaces to prevent dirt and mildew from growing. With a paintbrush, it’s easy to get into all the cracks and crannies.

Positive Things:

  • Prevents water and moisture
  • Keeps mildew from growing
  • Can be applied with a paintbrush
  • Works great on smooth concrete

Negative Thing:

  • Application temperature should be 40°-95° F

This is our list of the best sealers for a shop floor. When choosing a sealer, keep in mind the type of floor you have, the environment it will be in, and the amount of foot traffic it receives. We hope this list helped you choose the best sealer for your needs.

Comparison Chart of Concrete Sealers for Machine Shop:

Product NameWeightCoverage
RadonSeal Plus Deep-Penetrating Concrete Sealer48 pounds (5 Gallons)175-225 sq. ft.20 Years (Up to)
MasonryDefender Penetrating Concrete Sealer8.36 Pounds p/ga (1 Gallon)90-150 sq. ft.
5 Years (Up to)
Ghostshield Penetrating Concrete Sealer8.65 Pounds p/ga (1 Gallon)250 sq. ft. (Up to)10 Years (Up to)
Prosoco Penetrating Breathable Sealer for Concrete11.02 pounds300 sq. ft. ( (Up to)3-5 Years
Concrete Sealers USA Siliconate Sealer1 Gallon250-450 sq. ft.

Buying Guides on the Best Sealer for Concrete Shop Floor

garage floor sealer

A quick search on the internet will reveal many different types of concrete sealers available on the market. With so many options, how do you know which one is right for your shop floor?

The easiest way to find out is to read some buying guides that will help you compare and contrast the different products. Here are a few things to look for in a good buying guide:

Item Amount and Coverage:

The amount of concrete sealer you’ll need to cover your shop floor depends on the size of the floor and the product you choose. For example, if you have a large shop floor that sees a lot of traffic, you’ll need a sealer that covers a wide area and can stand up to heavy use.

On the other hand, if you have a small space that doesn’t see much foot traffic, you can get away with using a smaller amount of auto shop concrete sealer. Most products will cover approximately 90 to 300 square feet per gallon.

Select a sealer with the correct coverage for your project to avoid running out halfway through. Applying too much sealer can result in a slippery surface, while not enough may not provide adequate protection.

Dry & Cure Time:

The dry time is when the sealer dries to the touch, and the cure time is when it hardens. If you have a busy shop, you will want to choose a sealer with a shorter cure time to complete the job as soon as possible.

When you are not in a hurry, use a sealer with a longer cure time. If you’re short on time, you might want to consider a sealer that dries faster. Generally, penetrating concrete sealers will have a dry time of 1 to 12 hours and a cure time of 24 to 72 hours.


You can find many sealers that are eco-friendly and made from sustainable materials. Water-based concrete sealers have low volatile organic compounds, so they are safe for you and the environment.

Solvent-based sealers contain high levels of VOCs, which can be harmful to your health if inhaled. A water-based concrete sealer also has a low odor, so it won’t cause any irritation while you work and emit little to no fumes.


It depends on the type of concrete sealer, the environment, how frequently it is used and how long it will last. You will need to reseal your shop floor more often if you do a lot of welding or grinding.

When cars drive over concrete, the tire treads can cause small particles of the sealer to come off. For this reason, you should use concrete that is designed for high-traffic areas if you are sealing a driveway or parking lot.

Penetrating sealers are typically more durable than sealers because they soak into the concrete and become a part of the floor. This makes them less likely to peel, chip, or flake off over time. 

A sealed concrete floor that lasts for 20 years is obviously going to be more cost-effective than one that only lasts for 2 years.

Easy to apply and Clean:

You want to ensure that the porous concrete sealer you choose is easy to apply and clean up. Choosing an auto shop concrete sealer with multiple application methods will make the job go faster. Most concrete coatings can apply with a pump sprayer, roller, or brush.

When it comes to cleanup, water-based sealers are much easier to clean up than solvent-based sealers. All you need is soap and water to clean up a water-based sealer, while a solvent-based sealer will require paint thinner or mineral spirits.

Is Concrete Sealer Necessary for a Shop Floor?

concrete flooring

Concrete shop floors can suffer damage from a variety of sources. Heavy equipment, traffic, and even weather can all take their toll on the surface of the concrete. Over time, this damage can become extensive, jeopardizing the floor’s structural integrity.

Repair may be possible in some cases, but replacement may be the only option in others. As a result, you need to apply sealer on concrete floors to protect them from further wear and tear.

A penetrating concrete floor sealer can provide a layer of protection against oil spills and other common seepages. It can also make the floor easier to clean since dirt and debris will not be able to penetrate the sealed surface.

But some argue that concrete sealer is unnecessary and even detrimental since it can make the floor slippery. Although it makes the floor a bit slippery, it doesn’t lead to any accidents.

How Do You Seal Moisture Getting into Garage Floors from Outside?

In the warm summer months, it’s not unusual for concrete floors to start sweating. When moisture gets trapped under concrete surfaces, it can cause the floor to sweat, making it slippery and unsafe.

Mold and mildew can also grow due to moisture, causing health problems. Check the floor for cracks or holes and seal it well.

Then, you can seal the concrete with garage floor coatings. This will create a barrier between the concrete and the air, which can help to prevent moisture from seeping through.

You can install a vapor barrier to help keep moisture from getting trapped beneath concrete surfaces. Another way is to keep the temperature in your shop consistent to prevent condensation from forming on the floor. But these two options will require some level of maintenance and cost.

Is It Better to Paint or Epoxy Shop Floor?

When protecting and improving the look of your shop or garage floor, you have two main choices: paint or epoxy. You’ll have to figure out which option is best for you based on your garage floor’s condition and your personal preferences.

Paint is generally the more affordable option. It can provide a fresh new look for your garage or shop. Paint is not as durable as epoxy, and it is more likely to chip or peel over time.

Epoxy sealer, on the other hand, is more expensive, but it is also much more durable. It can resist stains and wear and tear much better than paint, making it an ideal choice for high-traffic areas like garages.

How Do You Protect a Shop Floor?

How Do You Protect a Shop Floor

Sealing a commercial concrete floor with a penetrating concrete sealer is a great way to protect it from stains, dirt, and even moisture. Here are the steps you’ll need to take to seal your concrete floor.

Step 01. Clean the Concrete floor Surface:

Sweep the floor with a broom or vacuum it with a shop vac. You may also need to scrub the floor with a stiff brush to remove any stubborn dirt or stains.

If there are any tough stains that won’t come up with regular cleaning, you may need to use a chemical stripper or rust remover. If you seal a damp floor, it could result in streaks or bubbles in the finish. Dry the floor completely so that the sealer can seal the pores of the concrete.

Step 02. Mix the Sealer:

Some penetrating concrete sealers will need to be mixed before use. Follow the manufacturer’s instructions for mixing the coating. Once it is mixed, pour it into a pump sprayer. You can also apply it with a roller or brush, but a pump sprayer will give you the most even coverage.

Step 03. Apply the Sealer:

Spray the sealant onto the concrete in a thin, even layer. It is your first coat. Ensure to get into all the nooks and crannies. If you are using a roller or brush, apply the sealer in the same manner.

Now broom the surface in a circular motion to help the sealer penetrate into the pores of the concrete. Let the concrete coating dry for at least 24 hours, or follow the manufacturer’s instructions.

Step 04. Apply the Second Coat:

Apply a second coat in the same manner. This will ensure your concrete floor is well-protected against grease stains and dirt. Let the second coat dry completely or cure it before using the area.

How Much Does it Cost to Seal the Concrete Shop Floor?

When it comes to concrete, there are a lot of factors to consider. The amount of traffic, the climate, and the overall condition of the surface all play a role in how often it needs to be sealed. 

Costs of labor also play a role in the final price. Prices will vary depending on the size of the area and the type of sealant used, but in general, expect to pay around $2 per square foot. 

A small shop floor could cost less than $100. For a big shop floor, the price per sq. ft can be reduced to $1.2-$1.7 per square foot when more than 500 sq ft is being sealed.

Now you know the most about shop floor sealers. From our list, select the best concrete sealer for a shop floor.

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Best Concrete Sealer for Shop Floor in 2024 | Top 5 Picks

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