Does your driveway look faded and stained after just a few seasons? You invest time and money to make your outdoor spaces look great, but harsh weather and daily wear can quickly damage concrete. It’s frustrating to see those cracks appear or that beautiful patio dull down. Choosing the right exterior concrete sealer feels like a maze. Should you pick acrylic, epoxy, or something else entirely? The wrong choice can mean wasted money and a sealer that fails before winter even hits.
Don’t let your concrete surrender to the elements! This post cuts through the confusion. We will break down exactly what makes a sealer effective, what types work best for different surfaces, and how to apply them like a pro. By the end of this read, you will know the secrets to protecting your concrete investment for years to come. Get ready to lock in that fresh, clean look!
Top Exterior Concrete Sealer Recommendations
- PROFESSIONAL GRADE CONCRETE SEALER & PAVER SEALER: Enhance and protect your exterior concrete and pavers with the professional-grade Armor AR350 solvent-based low gloss wet look concrete sealer and paver sealer. This concrete sealer is designed for use on unsealed concrete and pavers, and concrete and pavers previously sealed with a solvent-based acrylic concrete sealer.
- DRAMATIC COLOR ENHANCEMENT: Formulated with high-quality US-manufactured resins, this concrete sealer is designed to darken and enhance concrete and paver surfaces. If you like what your concrete and pavers look like when wet, you will love the dramatic color enhancement offered by this wet look concrete sealer.
- LONG LASTING PROTECTION: In addition to offering a wet look finish, this concrete sealer will provide a durable, long-lasting, non-yellowing, professional-grade low gloss finish designed to last for years in commercial and residential applications. This concrete sealer helps to protect concrete and pavers against damage caused by surface abrasion, foot and vehicle traffic, road salts, UV rays, water absorption, snow and ice, exposure to the elements, and more!
- READY TO USE: Our ready-to-use concrete sealer can be applied to a properly cleaned and prepped surface with a roller or sprayer. One gallon covers up to 175-225 ft2/gallon. If you are looking for a concrete cleaner, consider the Armor MSC100 (sold separately).
- EASY TO MAINTAIN: This solvent-based concrete sealer is self-priming, making it easy to use, and easy to maintain. When it is time to reseal your concrete or pavers, simply apply a single coat of the concrete sealer to a clean and dry surface with a roller or sprayer. Within seconds, your concrete and pavers will be instantly refreshed.
- ALL-WEATHER PERFORMANCE FOR OUTDOOR SURFACES: Engineered to withstand rain, snow, and freeze-thaw cycles, this concrete sealer outdoor ensures long-lasting protection for exterior areas. Whether you need a driveway sealer, brick sealer exterior, or paver sealer, its advanced formula resists peeling, fading, and water penetration.
- WATER RESISTANCE: Our Zero-VOC formulated penetrating concrete sealer forms a protective barrier on the concrete surface, preventing water and moisture from penetrating. Cement sealers are especially important in areas exposed to rain, snow or high humidity. By resisting water absorption, paver sealer help prevent issues such as cracking, spalling, and freeze-thaw damage.
- ENHANCES & PRESERVES SURFACE BEAUTY: Beyond protection, our concrete sealer enriches the natural color of concrete, stamped concrete, and bricks, giving your outdoor spaces a fresh, polished look. Use it as a brick sealer to prevent efflorescence or a paver sealer to maintain interlock integrity—all while keeping surfaces safe from oil, grease, and salt stains.
- MULTI-SURFACE VERSATILITY YOU CAN TRUST: From concrete driveways to pool decks, this concrete sealer is designed for universal use. It replaces the need for separate products, acting as a concrete waterproofing sealer, stone sealer outdoor, and cement sealer for concrete in one. Backed by a satisfaction guarantee, it’s the ultimate solution for anyone seeking reliable, professional-grade protection for their outdoor concrete surfaces.
- EASY APPLICATION & FAST DRYING: This user-friendly concrete sealer can be applied with a roller, sprayer, or brush, making it perfect for DIY projects. The quick-drying formula minimizes downtime, allowing you to seal your concrete surfaces efficiently. It doubles as a cement sealer waterproof outdoor, ensuring hassle-free maintenance for years to come.
- WATERPROOFING STAIN – Bring out the beauty of your outdoors with Thompson’s WaterSeal Clear Multi-Purpose Waterproof Stain. Proven to waterproof concrete, brick, exterior wood and other exterior surfaces.
- CLEAR STAIN – This outdoor wood stain and sealer provides a clear finish. It will hide the grain, but still allow the texture to show. It provides complete protection while adding enhancing the natural color.
- FADE RESISTANT FINISH – The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
- EASY TO USE – Whether you’re refinishing an existing fence or putting the finishing touches on a new patio, this concrete, brick, wood sealer is easy to apply. Clean the surface thoroughly prior to use for best results.
- THOMPSON’S – Protecting & maintaining all your exterior surfaces, can easily be simplified if you know where to start. Thompson’s WaterSeal is here to take the edge off, thanks to our one-coat products, informative how-to guides & decades of expertise.
- An industrial-grade, water-based, proprietary sealer designed to densify, strengthen and waterproof concrete: increasing abrasion resistance while reducing moisture and vapor intrusion
- Prevents efflorescence
- Reduces hydrostatic pressure, water vapor transmission, moisture intrusion and ASR
- Increases concrete’s abrasion resistance and strengthens concrete up to 50%
- Available in an industry first ultra-concentrate, 1 gallon of Lithi-Tek 9500 mixes with 4 gallons of water to make 5 gallons of sealer that will treat up to 1000 sq. ft. of concrete per coat.
- PROFESSIONAL GRADE SILANE SILOXANE SEALER: The Armor SX5000 WB is a professional-grade water-based silane siloxane sealer designed for use on unsealed concrete, brick, paver, bluestone, flagstone, slate, natural stone, and masonry.
- REDUCES WATER ABSROPTION BY UP TO 95%: The Armor SX5000 WB chemically reacts to form a water-repellent barrier below the surface that will reduce the absorption of water and other liquids by up to 95%.
- WON’T CHANGE THE LOOK OR COLOR: Formulated with high-quality US-manufactured resins, the Armor SX5000 WB is designed to protect concrete, brick, pavers, stone, and masonry without changing the look, color, or feel. The substrate will look and feel exactly as it did before it was sealed!
- LONG LASTING PROTECTION: The Armor SX5000 WB Silane-Siloxane concrete sealer chemically reacts to form a water-repellent barrier below the surface that can last for up to 7-10 years. By reducing the absorption of water through the surface, damage caused by water absorption is also reduced. Sealed surfaces are more resistant to cracking, spalling, ice damage, salt damage, organic surface growth, and staining.
- READY TO USE: The Armor SX5000 WB is ready-to-use and can be applied to a properly cleaned and prepped unsealed surface with pump sprayer. One gallon covers up to 175-225 square feet per gallon. Foundation Armor cleaners and sprayers are available separately.
- Concrete patch filler seals cracks and holes in exterior or interior concrete and masonry surfaces
- Concrete sealer is ready to use – needs no mixing or additives making projects easy
- Flexible adhesive is low in odor, cleans up easy with water and provides a 24 hour return to service time
- Provides a durable, long-lasting concrete crack repair that resists gasoline, salt, grease or oil when cured
- Versatile concrete patch and repair may be painted with latex or oil-based paints
- PROFESSIONAL GRADE CONCRETE SEALER & PAVER SEALER: Enhance and protect your exterior concrete and pavers with the professional-grade Armor AR350 solvent-based low gloss wet look concrete sealer and paver sealer. This concrete sealer is designed for use on unsealed concrete and pavers, and concrete and pavers previously sealed with a solvent-based acrylic concrete sealer.
- DRAMATIC COLOR ENHANCEMENT: Formulated with high-quality US-manufactured resins, this concrete sealer is designed to darken and enhance concrete and paver surfaces. If you like what your concrete and pavers look like when wet, you will love the dramatic color enhancement offered by this wet look concrete sealer.
- LONG LASTING PROTECTION: In addition to offering a wet look finish, this concrete sealer will provide a durable, long-lasting, non-yellowing, professional-grade low gloss finish designed to last for years in commercial and residential applications. This concrete sealer helps to protect concrete and pavers against damage caused by surface abrasion, foot and vehicle traffic, road salts, UV rays, water absorption, snow and ice, exposure to the elements, and more!
- READY TO USE: Our ready-to-use concrete sealer can be applied to a properly cleaned and prepped surface with a roller or sprayer. One gallon covers up to 175-225 ft2/gallon. If you are looking for a concrete cleaner, consider the Armor MSC100 (sold separately).
- EASY TO MAINTAIN: This solvent-based concrete sealer is self-priming, making it easy to use, and easy to maintain. When it is time to reseal your concrete or pavers, simply apply a single coat of the concrete sealer to a clean and dry surface with a roller or sprayer. Within seconds, your concrete and pavers will be instantly refreshed.
- 𝗘𝗔𝗦𝗬 & 𝗤𝗨𝗜𝗖𝗞 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡: Designed for effortless use, this sealer applies smoothly with basic DIY tools - no professional skills required. It dries quickly to form a reliable barrier, letting you complete your project faster and enjoy protected surfaces within hours.
- 𝗗𝗘𝗘𝗣 𝗣𝗘𝗡𝗘𝗧𝗥𝗔𝗧𝗜𝗢𝗡 & 𝗪𝗔𝗧𝗘𝗥 𝗥𝗘𝗣𝗘𝗟𝗟𝗘𝗡𝗖𝗬: Advanced silane/siloxane formula penetrates deep into concrete pores to block water absorption. Creates visible water-beading while preventing moisture, cracks, and surface damage for years of durable protection.
- 𝗟𝗢𝗡𝗚-𝗟𝗔𝗦𝗧𝗜𝗡𝗚 𝗗𝗨𝗥𝗔𝗕𝗜𝗟𝗜𝗧𝗬: Built to withstand traffic, cleaning, and extreme weather, this sealer keeps concrete looking newer for longer. Ideal for patios, driveways, and walkways - resists stains, salt, and wear without peeling or yellowing over time.
- 𝗡𝗔𝗧𝗨𝗥𝗔𝗟 & 𝗖𝗟𝗘𝗔𝗥 𝗙𝗜𝗡𝗜𝗦𝗛: Enjoy strong protection without altering your concrete’s appearance. The invisible finish preserves natural colour and texture no unwanted gloss or “wet look,” just clean, clear, and consistent results across surfaces.
- 𝗦𝗔𝗙𝗘 & 𝗟𝗢𝗪-𝗢𝗗𝗢𝗥 𝗙𝗢𝗥𝗠𝗨𝗟𝗔: Eco-friendly and water-based, this concrete sealer offers minimal odor and is safe for plants, pets, and indoor use. Perfect for families and sensitive environments where safety and comfort matter most.
Your Guide to Choosing the Best Exterior Concrete Sealer
Concrete driveways, patios, and walkways look great when new. But the weather—sun, rain, snow, and ice—can quickly damage them. An exterior concrete sealer acts like a strong, invisible raincoat for your concrete. It locks out water, stops stains, and helps keep the color bright. Choosing the right sealer protects your investment. This guide will help you pick the best one for your needs.
Key Features to Look For
When shopping, look for these important features. They tell you how well the sealer will work and how long it will last.
1. Water Repellency (Hydrophobic Quality)
- What it is: This is the sealer’s ability to make water bead up and roll off the surface instead of soaking in.
- Why it matters: Water causes cracking when it freezes (freeze-thaw cycle). Good repellency stops this damage.
2. Penetrating vs. Film-Forming
- Penetrating Sealers: These soak deep into the concrete pores. They offer great protection against water and look completely natural. They don’t change the look much.
- Film-Forming Sealers: These create a protective layer (a film) right on top. They often provide a glossy or wet look and are great at stopping oil stains.
3. UV Resistance
- Sunlight breaks down many materials. A good exterior sealer must resist UV rays. This stops the sealer itself from yellowing or becoming brittle over time.
4. Breathability
- Concrete needs to “breathe.” This means moisture vapor trapped underneath must be able to escape. If the sealer is not breathable, trapped moisture can cause the sealer to peel or bubble.
Important Materials Used in Sealers
Concrete sealers are usually made from a few main types of materials. Each offers different benefits.
Acrylic Sealers
- These are the most common and usually the cheapest.
- They are easy to apply and dry fast.
- They offer good stain resistance but might need reapplication every 1–3 years.
Silane/Siloxane Sealers
- These are deep penetrating sealers. They react chemically with the concrete to block water.
- They offer excellent, long-lasting protection against water damage and usually keep the concrete’s natural look.
Epoxy and Polyurethane Sealers
- These are strong film-forming sealers. They provide a tough, glossy finish.
- They resist heavy abrasion and chemicals very well. These are often used in garages but work great outdoors too.
Factors That Improve or Reduce Quality
The quality of the final sealed surface depends on more than just the product itself.
Factors That Improve Quality:
- Surface Preparation: You must thoroughly clean the concrete first. Remove all dirt, oil, and old sealers. A clean surface lets the new sealer stick properly.
- Temperature: Applying the sealer when the temperature is within the manufacturer’s recommended range ensures proper curing.
- Proper Application Thickness: Applying too little sealer means you won’t get the advertised protection.
Factors That Reduce Quality:
- Applying on Wet Concrete: Moisture trapped under the sealer will cause it to fail quickly. The concrete must be completely dry.
- Poor Ventilation (for solvent-based types): If you use a solvent-based sealer, you need fresh air. Applying it in a poorly ventilated area makes the application difficult and unsafe.
- Using the Wrong Type: Using an interior-grade sealer outside means it will break down fast under UV light.
User Experience and Use Cases
Think about what you use the concrete for. This guides your choice.
Driveways and Walkways (High Traffic):
You need durability. Look for polyurethane or high-solids acrylics. These resist tire marks and foot traffic better. User experience here means less frequent re-coating.
Patios and Pool Decks (Stain Resistance):
Pool areas need resistance to chlorine and water spotting. Film-forming sealers often manage pool chemicals well. For patios, many users prefer penetrating silanes because they keep the surface less slippery when wet.
Colored or Stamped Concrete:
If your concrete has color or texture, you want a sealer that enhances it without looking plastic. Look for “wet look” acrylics if you want to deepen the color, or matte penetrating sealers if you want zero shine.
Frequently Asked Questions (FAQ) About Concrete Sealers
Q: How long does an exterior concrete sealer typically last?
A: It varies a lot. Basic acrylic sealers might last 1 to 3 years. High-quality penetrating silanes or polyurethanes can last 5 to 10 years before needing a touch-up coat.
Q: Do I need to seal new concrete?
A: Yes, but wait! New concrete needs time to cure completely, usually 28 days. Applying a sealer too early traps moisture and weakens the concrete.
Q: Can I apply sealer when it looks like rain is coming?
A: Never. Most sealers require 24 to 48 hours of dry weather after application to cure properly. Rain will wash the product away or cause immediate failure.
Q: How do I clean a sealed concrete surface?
A: Use mild, pH-neutral cleaners. Avoid harsh acidic cleaners or strong degreasers, as these can strip or dull the sealer finish over time.
Q: Will sealer make my concrete slippery?
A: Film-forming sealers, especially glossy ones, can become very slick when wet. If safety is a concern, choose a penetrating sealer or look for a film-forming sealer advertised as having “anti-slip additives.”
Q: What is the difference between water-based and solvent-based sealers?
A: Water-based sealers clean up easily with water and have very low odor. Solvent-based sealers often penetrate better and cure harder but require strong ventilation and mineral spirits for cleanup.
Q: Do I have to remove the old sealer before applying a new one?
A: Yes, if the old sealer is peeling or flaking. If the old sealer is intact and you are reapplying the same type, you might only need a light cleaning. Always test a small area first.
Q: Can I apply sealer over efflorescence (white powdery stains)?
A: No. Efflorescence must be completely removed before sealing. Sealing over it traps the salt deposits, which will cause the sealer to fail quickly.
Q: Is sealing necessary in a dry, mild climate?
A: Even without freezing temperatures, sealing is important. It prevents staining from oils, rust, and leaves, keeping your concrete looking better for longer.
Q: How long until I can drive on my sealed driveway?
A: Most acrylics allow light foot traffic in a few hours. For vehicles, wait at least 48 to 72 hours. Always check the specific product label for the exact cure time.