The Ultimate Guide to Patio Sealer: Worth the Investment for Your Outdoor Space

Patio sealer is one of the best investments you can make for your outdoor space. Whether you have patio slabs, natural stone or block paving, a good sealer will extend the life and look of your patio.
What is Patio Sealer?
Patio sealer is a coating applied to the surface of your patio to protect it from water, dirt, oil and sunlight. It stops algae and mould growth and reduces maintenance time. By creating a barrier it keeps your patio in good condition and looks great.
Types of Patio Sealers

Wet Look Patio Sealer
Gives your patio a glossy finish and enhances the natural colour of the stone or concrete. Popular for those who want a vibrant, polished look.
Natural Stone Sealers
Designed for materials like granite, slate, limestone and sandstone. Protects the surface while preserving the stone’s natural beauty.
Paving Sealers
Versatile and can be used on all paving materials including concrete, block paving and patio slabs. Come in wet look or natural finish depending on the look you want.
High Performance Sealer
Choosing the Right Sealer for Your Patio
The type of sealer you choose will depend on the material of your patio. For example:
- Concrete Patios: Acrylic sealers are recommended for durability and ease of application.
- Natural Stone Patios: Penetrating sealers are best as they provide deep protection without altering the stone’s appearance.
- Block Paving: Polyurethane sealers give a hard wearing finish that can withstand heavy traffic.
For more on concrete patio options, see our page on Elevating Outdoor Spaces: The Versatile Charm of Concrete Patios
How to Apply Patio Sealer

Preparation
- Clean the Surface: Remove all dirt, debris and stains from the patio. Use a power washer if necessary.
- Drying Time: Make sure the patio is dry before applying the sealer to avoid trapping moisture.
- Weather Conditions: Choose a day with mild temperatures and no rain forecasted for at least 24 hours.
Application
- First Coat: Apply the first coat of sealer with a roller or sprayer. Make sure to cover evenly and don’t pool.
- Drying Time: Allow the first coat to dry completely, usually 24 hours.
- Second Coat: Apply a second coat for maximum protection and finish.
When applying patio sealer, it’s important to follow the manufacturer’s instructions and adhere to industry best practices. Organisations such as the European Council of the Paint, Printing Ink and Artists’ Colours Industry (CEPE) https://cepe.org/ provide information on coatings standards and application guidelines.
Top Tips
- Follow the manufacturer’s instructions for drying times and application methods.
- Apply in thin, even layers to avoid bubbles and streaks.
- Use a sprayer for large areas for a better finish.
- Two coats of paving sealer gives maximum protection and longer lasting finish.
The Benefits of Hiring a Professional for Patio Sealing
Maintenance of a Sealed Patio
- Regular Cleaning: Sweep and wash your patio regularly to prevent dirt and grime buildup.
- Reapplication: Depending on the type of sealer used, you may need to reapply every 2-3 years to maintain optimal protection.
- Avoid Harsh Chemicals: Use gentle, pH neutral cleaners to not damage the sealer.
You may also like our article about: How to clean Patio Slabs
Cost Benefit Analysis

Short-Term
- Initial Cost: The cost of the sealer and application tools is low compared to the repair costs of an unsealed patio.
- Immediate Benefits: Better looking, easier to clean, immediate protection.
Long-Term
- Longer Life: A sealed patio will last longer, less repairs and replacements.
- Value for Money: Investing in a good sealer will pay off by preserving the patio’s quality and looks over time.
Summary

Sealing your patio is a good idea. It will make your outdoor space look better and protect your investment for years to come. Whether you choose a wet look sealer for a glossy finish or a natural stone sealer for a natural look, the benefits are obvious. Follow the application steps and get a pro for the best results. Have a beautiful, long lasting patio with the right sealer today!
Frequently Asked Questions (FAQ) about Patio Sealer
What is Patio Sealer?
Patio sealer is a coating for your patio surface. It protects against water, dirt, oil and sunlight and prevents algae and mould growth. This keeps your patio in good condition and looking great, reduces maintenance.
What types of Patio Sealers are there?
There are several:
- Wet Look Patio Sealer: Gives a glossy finish and enhances the natural colours of stone or concrete.
- Natural Stone Sealers: Designed for stone like granite, slate, limestone and sandstone to preserve their natural beauty and provide protection.
- Paving Sealers: A versatile option for concrete, block paving and patio slabs, available in wet look and natural finishes.
- High Performance Sealer: For high traffic or extreme weather conditions, this sealer provides ultimate protection and longevity.
How do I choose the right Patio Sealer for my patio?
The right sealer depends on your patio material:
Concrete Patios: Acrylic sealers are recommended for durability and ease of application.
Natural Stone Patios: Penetrating sealers are best, they provide deep protection without altering the stone.
Block Paving: Polyurethane sealers are recommended for a hard wearing finish that can withstand heavy traffic.
How do I apply Patio Sealer?
Here’s how:
Preparation:
Clean the surface thoroughly to remove dirt, debris and stains, use a power washer if needed.
Make sure the patio is dry before application to avoid moisture getting trapped.
Choose a day with mild temperatures and no rain forecast for at least 24 hours.
Application:
Apply the first coat of sealer evenly using a roller or sprayer, don’t let it pool.
Wait for the first coat to dry completely, usually 24 hours.
Apply a second coat for maximum protection and finish.
Tips:
Always follow the manufacturer’s instructions for drying times and application methods.
Apply thin, even layers to prevent bubbles and streaks. * For large areas a sprayer is best.
Two coats of paving sealer will give maximum protection and longest finish.
What are the benefits of having a professional apply Patio Sealer?
While DIY is possible, professionals offer:
Perfect finish.
Time saving.
Experience and the right equipment for even application.
Reduced risk of errors and failures.
How do I maintain a patio sealed with Patio Sealer?
Maintenance is:
Regular sweeping and washing to prevent dirt and grime buildup.
Reapplication of the sealer every 2-3 years depending on the type of sealer used to maintain optimal protection.
Avoid harsh chemicals and use gentle, pH neutral cleaners to not damage the sealer.
What are the cost benefits of Patio Sealer?
Patio Sealer has both short and long term benefits:
Short Term:
Initial cost of the sealer and application tools is low compared to the repair cost of an unsealed patio.
Instant benefits of a better appearance, easier cleaning and immediate protection.
Long Term:
Investing in a good sealer preserves the patio over time.
It prolongs the life of the patio, less repair and replacement.
Where can I get Patio Sealer in Ireland?
For Patio Sealer in Ireland call us at 086 458 3274 or email contact@drivewaysandpatiosdublin.ie
Get your garden patio sorted with Dublin’s best pavers – Driveways & Patios Dublin!
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