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Understanding Paving Sealer and how it works

Understanding Paving Sealer and how it works

When it comes to enhancing the longevity and aesthetics of your outdoor spaces, block paving stands out as a popular choice. Its durability and versatility make it a go-to option for driveways, patios, and walkways. However, to truly unlock its full potential and keep it looking pristine for years to come, many homeowners turn to block paving sealers. In this blog, we'll delve into the world of block paving sealers, exploring their benefits, application techniques, and longevity.

What Is Block Paving Sealer?

Block paving sealer is a specialised product designed to protect and enhance the appearance of block paving surfaces. It is typically formulated with a blend of resins, solvents, and additives that work together to create a protective barrier against various elements such as UV rays, water, oil, and stains. The sealer penetrates the pores of the paving blocks, forming a transparent film that seals and protects the surface while allowing it to breathe. Additionally, block paving sealers come in various formulations and finishes, including gloss and matt, allowing homeowners to choose the desired level of shine and appearance for their outdoor spaces. Overall, block paving sealer is a valuable tool for homeowners looking to maintain the beauty and integrity of their paved areas for years to come.

Is It Worth Sealing Block Paving?

Before diving into the intricacies of sealing block paving, it's essential to address the fundamental question: is it worth it? The answer lies in understanding the numerous benefits that sealing provides. Firstly, sealing block paving acts as a protective barrier against various elements such as UV rays, water, oil, and stains. This protective layer prevents the paving from fading, staining, or deteriorating prematurely, thus extending its lifespan significantly. Additionally, sealing enhances the appearance of block paving by intensifying its color and giving it a glossy or matte finish, depending on personal preference. Furthermore, sealed paving is easier to maintain, requiring less frequent cleaning and reducing the growth of weeds and moss between the blocks. Considering these advantages, sealing block paving proves to be a worthwhile investment for homeowners seeking to preserve the beauty and functionality of their outdoor spaces.

How To Seal Paving?

Now that we've established the importance of sealing block paving, let's explore how it's done. The process typically involves the following steps:

1. Preparation: Begin by thoroughly cleaning the paving surface to remove any dirt, debris, oil, or stains. This can be accomplished using a pressure washer, scrub brush, and appropriate cleaning solution.

2. Drying: Allow the paving to dry completely before applying the sealer. This ensures optimal adhesion and effectiveness of the sealer.

3. Application: Use a suitable applicator, such as a roller or sprayer, to evenly apply the block paving sealer onto the surface. Work in small sections to ensure thorough coverage and avoid puddling or streaking.

4. Cure: Allow the sealer to dry and cure according to the manufacturer's instructions. This typically involves avoiding foot or vehicle traffic for a specified period to allow the sealer to fully bond with the paving surface.

5. Additional Coats (Optional): Depending on the desired level of protection and appearance, multiple coats of sealer may be applied, with adequate drying time between each coat.

By following these steps diligently, homeowners can effectively seal their block paving, safeguarding it against damage and enhancing its visual appeal.

How Does Patio Sealer Work?

The mechanism behind patio sealer lies in its formulation, which typically consists of a blend of resins, solvents, and additives. When applied to the paving surface, the sealer forms a protective film that penetrates the pores of the blocks, creating a barrier against moisture, UV rays, oil, and other contaminants. This barrier helps to prevent staining, fading, and deterioration, thereby prolonging the lifespan of the paving and maintaining its aesthetic appeal. Additionally, some sealers contain additives that provide additional benefits such as slip resistance and anti-fungal properties, further enhancing the functionality of the paved area. Overall, patio sealer works by forming a shield that shields the paving from external factors, preserving its integrity and beauty.

How Long Does Paver Sealer Last?

The longevity of paver sealer primarily depends on various factors such as the type of sealer used, environmental conditions, and level of traffic. In general, most block paving sealers last anywhere from 1 to 5 years, with some high-quality sealers offering even longer protection. Factors such as exposure to sunlight, harsh weather, and heavy use can accelerate the degradation of the sealer, necessitating reapplication sooner. However, proper maintenance and periodic cleaning can help prolong the lifespan of the sealer and extend the time between reapplications. Ultimately, regular inspection and maintenance are crucial for ensuring the continued effectiveness of the sealer and preserving the beauty of the block paving.

In conclusion, sealing block paving is a worthwhile investment that offers numerous benefits, including protection against damage and enhancement of aesthetics. By understanding the process of sealing, the mechanism behind patio sealer, and the factors affecting its longevity, homeowners can effectively preserve the beauty and functionality of their outdoor spaces. With the right products and maintenance regimen, sealed block paving can withstand the test of time, providing years of enjoyment and curb appeal. So, if you're looking to elevate the look and durability of your outdoor surfaces, consider investing in block paving sealer – your paving will thank you for it.


Here at Ashbrook Roofing Supplies, we stock a large variety of paving sealers for block paving and Sandstone paving slabs. You can view our full range of paving sealers here: Paving Sealers — Ashbrook Roofing Supplies LTD

If you have any questions about any of the above then please do no hesitate to contact us on: 01629 732988 or email us at

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