Top 5 Exterior Brick Sealers: Your Buying Guide

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Imagine your beautiful brick home, standing strong and looking its best for years to come. But what happens when the weather starts to take its toll? Rain can soak into the bricks, making them look dull and even causing damage over time. That’s where a good exterior brick sealer comes in – it’s like a protective shield for your home’s face!

Choosing the right brick sealer can feel like a puzzle. You see so many different kinds, and you want to pick one that truly protects your brick without changing its natural look. It can be confusing to know which product will work best against stains, water, and the harsh sun. You want to make sure you’re making a smart investment that will keep your home looking great and save you money on repairs down the road.

In this post, we’re going to break down everything you need to know about exterior brick sealers. We’ll help you understand what they do, what to look for, and how to pick the perfect one for your home. Get ready to learn how to keep your brickwork looking fantastic and protected for a long, long time!

Our Top 5 Brick Sealer Exterior Recommendations at a Glance

Top 5 Brick Sealer Exterior Detailed Reviews

1. MasonryDefender Chimney Brick Sealer

MasonryDefender Chimney Brick Sealer, Clear Water-Based Siloxane Sealer - Breathable Waterproofer For All Exterior, Vertical Masonry Surfaces - 1 Gal

Rating: 9.4/10

Protecting your home from water damage is crucial, and the MasonryDefender Chimney Brick Sealer offers a robust solution. This clear, water-based siloxane sealer is designed to create a strong, lasting bond with your chimney and other exterior masonry surfaces. It works by repelling water while still allowing moisture trapped within the walls to escape, preventing damage from freezing and thawing.

What We Like:

  • It forms a permanent bond, giving you long-lasting protection for your chimney.
  • The sealer effectively prevents water from seeping into your home through cracks.
  • It’s breathable, meaning it won’t trap moisture inside and cause damage.
  • The water-based formula makes cleanup easy with water.
  • It doesn’t change the natural color of your masonry surfaces.
  • Application is straightforward using a pump-up sprayer.

What Could Be Improved:

  • You need to use drop cloths to catch any overspray during application.
  • Coverage is listed per 2 coats, so you need to factor that into your purchase.

This MasonryDefender sealer provides effective, breathable waterproofing for your chimney and other vertical masonry. It’s a smart choice for safeguarding your home against water intrusion and the elements.

2. MasonryDefender Brick Sealer Satin Sheen – Water Based

MasonryDefender Brick Sealer Satin Sheen - Water Based, Reduces Dust, Easy Clean - 1 Gallon

Rating: 9.2/10

The MasonryDefender Brick Sealer Satin Sheen is a water-based solution designed to protect and beautify your brick surfaces. This 1-gallon container offers a clear satin finish that enhances the natural look of brick while providing a protective barrier against moisture and dust.

What We Like:

  • It protects both inside and outside brick walls.
  • It stops moisture, which helps stop cracks and peeling.
  • The sealer gives a nice, soft shine that makes brick look good.
  • You can add more coats to make the shine brighter.
  • It makes brick surfaces easy to clean.
  • Dirt and grime don’t stick to it.
  • It helps keep your house cleaner by stopping brick dust inside.
  • The low-odor, water-based formula is better for your home.
  • You can use a brush, roller, or sprayer to put it on.
  • It covers a good amount of space, about 80-150 square feet per gallon.
  • It works well on fireplaces and walls.

What Could Be Improved:

  • The coverage can vary depending on the brick’s surface.
  • It might take a little practice to get the perfect satin finish.

This sealer is a smart choice for keeping your brick looking its best. It offers great protection and makes cleaning a breeze.

3. Rainguard Water Sealers Brick Sealer Spray

Rainguard Water Sealers Brick Sealer Spray, Penetrating Protection Against Rain and Moisture Damage, for All Brick & Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Ready-to-Use, 16 oz

Rating: 9.3/10

Protect your beautiful brick and mortar surfaces from the damaging effects of rain and moisture with Rainguard Water Sealers Brick Sealer Spray. This powerful yet gentle formula creates an invisible shield, keeping your home looking its best for years to come.

What We Like:

  • It forms a strong, invisible barrier that stops rain, water, and even oil stains.
  • The sealer soaks into the brick, preventing cracks from freezing and thawing.
  • It works on both inside and outside surfaces without changing how the brick looks.
  • It covers a large area and dries quickly, making application easy.
  • The formula is safe for people, pets, and plants, with no strong smells.
  • It offers up to 5 years of protection.

What Could Be Improved:

  • The instructions mention applying two coats, which might take a bit more time.
  • Coverage depends on how porous the brick is, so you might need more for some surfaces.

This brick sealer is a smart choice for anyone wanting to keep their brickwork strong and attractive. It offers excellent protection and peace of mind.

4. Thompson’s WaterSeal Multi-Surface Waterproofer Stain

Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon

Rating: 8.7/10

Thompson’s WaterSeal Multi-Surface Waterproofer Stain in Clear is a versatile product designed to protect and enhance various outdoor surfaces. This one-gallon container offers a straightforward solution for homeowners looking to add a layer of defense against the elements while maintaining the natural look of their exterior spaces. It works on concrete, brick, and wood, making it a handy choice for many projects.

What We Like:

  • It effectively waterproofs concrete, brick, and exterior wood, offering great protection.
  • The clear stain lets the texture of the surface show through while enhancing its natural color.
  • The finish resists fading and UV damage, so your surfaces will look good for a long time.
  • It’s easy to apply, even for those new to DIY projects.
  • Thompson’s has a long history of expertise in protecting outdoor surfaces.

What Could Be Improved:

  • The description mentions it hides the grain, which might not be ideal if you want to see the wood grain clearly.
  • It requires thorough surface cleaning before application for best results, adding an extra step.

This clear waterproofer is a solid option for keeping your outdoor areas looking their best and protected from weather damage. It simplifies the process of maintaining different exterior materials.

5. Rainguard Water Sealers Brick Sealer

Rainguard Water Sealers Brick Sealer, Penetrating Protection Against Rain and Moisture Damage, for All Brick and Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Makes 1 Gallon

Rating: 9.0/10

Protect your beautiful brick and mortar surfaces with Rainguard Water Sealers Brick Sealer. This powerful formula creates an invisible shield against rain, stains, and harsh weather. It’s designed to keep your bricks looking great for years to come.

What We Like:

  • It offers super strong protection against water and stains.
  • The sealer absorbs into the brick, preventing cracks from freezing and thawing.
  • It works on many surfaces, inside and out, without changing the brick’s look.
  • It covers a large area and dries quickly.
  • Cleanup is simple with just soap and water.
  • It’s made in the USA and is safe for your family, pets, and plants.
  • It provides up to 5 years of protection.

What Could Be Improved:

  • The coverage amount can vary depending on how porous the surface is.
  • Applying two coats might require a bit more effort.

This brick sealer is an excellent investment for anyone wanting to preserve their brick structures. It offers reliable protection and peace of mind.

Protect Your Walls: The Ultimate Brick Sealer Buying Guide

Brick is a beautiful and strong building material. But even brick needs protection from the weather. That’s where brick sealer comes in. This guide will help you choose the best brick sealer for your home.

What is Brick Sealer?

Brick sealer is a liquid you spray or brush onto your brick walls. It soaks into the brick and forms a protective layer. This layer stops water, dirt, and stains from getting into the brick. It helps your brick look good for longer and stops damage.

Key Features to Look For

When you shop for brick sealer, keep these features in mind:

  • Water Repellency: The sealer should push water away from the brick. This is the most important job.
  • Breathability: The brick needs to breathe. A good sealer lets moisture escape from inside the wall. It doesn’t trap water.
  • UV Protection: Sunlight can fade brick colors. Some sealers have UV blockers to keep the color bright.
  • Stain Resistance: Look for sealers that resist oil, dirt, and mildew stains. This makes cleaning easier.
  • Durability: How long does the sealer last? Some last a few years, others for a decade or more.

Important Materials

Brick sealers are made from different things. The main types are:

  • Acrylic Sealers: These are easy to use and affordable. They work well for general protection. They create a thin, clear coat.
  • Silicone-Based Sealers: These offer excellent water repellency. They are very good at stopping water damage. They often last longer than acrylics.
  • Silane/Siloxane Sealers: These are high-performance sealers. They penetrate deep into the brick. They offer long-lasting protection and great breathability. They are often the most expensive.

What Makes a Sealer Better or Worse?

Good brick sealers do a great job. Bad ones can cause problems.

Quality Boosters:

  • Penetration: Sealers that soak deep into the brick offer better protection. They seal the brick from the inside.
  • Long-Lasting Formulas: Sealers that last for many years mean you don’t have to reapply often.
  • Easy Application: A sealer that sprays on easily or brushes on smoothly saves you time and effort.
  • Non-Yellowing: Good sealers stay clear and don’t turn yellow over time. This keeps your brick looking natural.

Quality Reducers:

  • Surface Sealers: Sealers that only form a thin layer on top can wear off quickly. They can also trap moisture.
  • Strong Odors: Some sealers have strong fumes that can be unpleasant to work with.
  • Limited Breathability: Sealers that trap moisture can cause the brick to crack or crumble, especially in freezing weather.
  • Short Lifespan: If a sealer only lasts one or two years, you’ll spend more time and money reapplying it.

User Experience and Use Cases

Using brick sealer is usually straightforward. Most are ready to use. You just need to clean the brick first. Then, you apply the sealer with a sprayer, roller, or brush. Always follow the product instructions.

Common Uses:

  • Protecting your home’s exterior brick: This is the most common use. It keeps your house looking great and prevents damage.
  • Sealing brick patios and walkways: This stops them from getting stained by spills and prevents weeds from growing through cracks.
  • Protecting garden walls and retaining walls: These walls face a lot of weather. Sealer helps them last longer.
  • Restoring old brickwork: Sealer can help bring back the look of older bricks and protect them from further decay.

Frequently Asked Questions (FAQ)

Q: What is the main job of exterior brick sealer?

A: The main job is to stop water from soaking into the brick. This prevents damage like cracking and staining.

Q: Do I need to clean my brick before sealing?

A: Yes, absolutely. You must clean the brick thoroughly. Remove all dirt, mold, and old paint. A clean surface helps the sealer stick and work best.

Q: How often should I seal my brick?

A: It depends on the sealer and the weather. Most sealers need to be reapplied every 5 to 10 years. Some high-quality ones can last longer.

Q: Can I seal painted brick?

A: Generally, no. Most brick sealers are for unpainted brick. They need to soak into the pores. If you seal painted brick, it can trap moisture and cause the paint to peel.

Q: Will brick sealer change the look of my brick?

A: Most sealers dry clear and do not change the color. Some might give the brick a slightly “wet” look, which some people like. Always test on a small area first.

Q: What’s the difference between a water-based and solvent-based sealer?

A: Water-based sealers are easier to clean up and have less odor. Solvent-based sealers often penetrate deeper and can be more durable, but they have stronger fumes.

Q: Can I apply brick sealer in cold weather?

A: No, you should not. Most sealers need temperatures above 40-50°F (4-10°C) to apply and dry properly. Check the product label for exact temperature limits.

Q: How do I know if my brick is already sealed?

A: Sprinkle some water on the brick. If the water beads up, it’s likely sealed. If the water soaks in and darkens the brick, it’s probably not sealed.

Q: What happens if I don’t seal my brick?

A: Unsealed brick can absorb water. This can lead to problems like efflorescence (white powdery stains), mold growth, freeze-thaw damage, and faster wear and tear.

Q: Are there any downsides to using brick sealer?

A: Some sealers can make the brick slippery when wet. Others might change the appearance slightly. It’s important to choose the right type for your needs and apply it correctly.

In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.

If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.