Silver Sand for Block Paving: A Comprehensive Guide

Silver sand for block paving is a crucial component in the installation and maintenance of block paved surfaces. It plays a significant role in preventing weed growth and ensuring the longevity and stability of the paved area. Silica sand, specifically chosen for it’s properties, is used as the brushing-in sand for joints on cobble paving. Block paving, a popular choice for driveways, patios, and walkways, offers durability and aesthetic appeal. The paving materials can include various options such as asphalt, concrete, stones like flagstone, cobblestone, and setts, artificial stone, bricks, tiles, and even wood. As an essential part of the hardscape in landscape architecture, pavements serve as surfaces for sidewalks, roadways, patios, courtyards, and other outdoor areas. Silica sand provides the necessary stability and reinforcement to the block paving, preventing movement and ensuring a secure structure.

What Kind of Sand Do You Use for Block Paving?

When it comes to block paving, choosing the right kind of sand is crucial for a professional and durable finish. Throughout the industry, kiln-dried sand has emerged as the top choice for jointing. This type of sand is specifically designed for block paving and offers a range of benefits.

The sand fills the gaps between the blocks and forms a cohesive layer that locks everything in place. This not only prevents movement and shifting of the blocks, but also enhances the overall strength and durability of the paved surface.

Furthermore, kiln-dried sand offers excellent drainage properties. It allows water to flow freely through the joints and into the underlying sub-base, preventing the buildup of moisture and reducing the risk of surface damage. This is particularly important for areas such as driveways, where proper drainage is essential to prevent water pooling and potential frost damage.

It fills the joints evenly and provides a neat and uniform finish, giving the paved surface a professional and polished look. This is especially important for areas that require a clean and seamless appearance, such as patios and courtyards.

Determining the quantity of silver sand required for block paving involves careful calculations. The general ratio suggests that one bag of kiln-dried sand can effectively cover 8-10m2 of block paving, specifically to fill in the joints of around 50mm. Therefore, in the case of sanding an area as large as 50m2 without any existing sand in the joints, approximately 5-6 bags of kiln-dried sand will be needed.

How Much Silver Sand Do I Need for Block Paving?

When it comes to block paving, the use of silver sand is essential for filling in the joints and ensuring stability and longevity. The question often arises, how much silver sand is needed for this task? Typically, kiln-dried sand can be found in convenient 20-25kg bags. To cover the joints of 8-10m2 of block paving (at a depth of 50mm), one bag is usually sufficient.

To put it into perspective, lets consider an example. If you’ve 50m2 of new block paving and there’s no old sand in the joints, you’ll need approximately 5-6 bags of kiln-dried sand to complete the sanding process. It’s important to note that this calculation assumes an even and consistent distribution of sand across the entire area.

It’s always recommended to purchase slightly more sand than you think you’ll need, as it’s better to have some leftover rather than running out and having to make additional trips to the supplier. Additionally, factors such as the size and depth of the joints, as well as the type and condition of the block paving, may influence the amount of sand required.

When applying the silver sand to the block paving joints, it’s advisable to proceed carefully and systematically. Start by spreading the sand evenly across the entire area, using a brush or broom to ensure it reaches into the joints. Finally, lightly compact the sand with a plate compactor or by simply tapping it down with a rubber mallet to ensure a firm and stable finish.

By following these guidelines and determining the appropriate amount of silver sand needed for your block paving project, you can ensure a successful and aesthetically pleasing result. Remember that proper maintenance and occasional re-sanding may be required over time to maintain the integrity and appearance of your block paving.

Tips for Maintaining Block Paving

  • Regularly sweep or use a leaf blower to remove debris.
  • Apply a weed killer or use a weed brush to keep weeds at bay.
  • Remove stains with a pressure washer or a specific cleaning solution.
  • Resand the joints periodically to maintain stability and prevent weed growth.
  • Avoid using harsh chemicals or de-icer products on the paving.
  • Repair any damaged or sunken blocks promptly.
  • Seal the surface to enhance durability and protect against stains.
  • Avoid parking heavy vehicles on the paving to prevent damage.
  • Regularly inspect for any signs of sinking or drainage issues.
  • Maintain proper drainage by keeping gutters and downspouts clear.

Polymeric sand has gained popularity as an efficient solution to prevent weed growth between pavers. This sand is specifically designed to harden and create a solid, stable surface when exposed to moisture. It’s unique composition and application process make it an effective barrier against weeds, minimizing the need for constant maintenance and ensuring long-lasting beauty for outdoor spaces.

What Kind of Sand Is Best for Stopping Weeds?

When it comes to choosing the right sand for preventing weeds, polymeric sand is a top choice. Polymeric sand is specifically designed to fill the gaps between pavers and help prevent weed growth. It’s unique composition and properties make it an excellent option for those looking to maintain a weed-free paver surface.

Polymeric sand contains a combination of fine sand and a polymer additive. The sand acts as a stable base, while the polymer additive serves as a binding agent when activated. Once applied and properly activated, the sand hardens and becomes a solid barrier that inhibits weed growth.

It helps stabilize the pavers, reducing the chance of movement and shifting. It also enhances the overall aesthetics of the paved area by providing a clean and seamless look.

It’s important to follow the manufacturers instructions carefully, ensuring the sand is evenly spread and properly activated. Additionally, it may be necessary to reapply the sand periodically to maintain it’s weed-resistant properties.

It’s unique composition and binding properties make it highly effective in creating a solid barrier that inhibits weed growth. By choosing the right sand and following proper installation procedures, you can enjoy a weed-free and visually appealing surface for your block paving.

Preparing the Paver Surface: Discuss the Importance of Properly Preparing the Paver Surface Before Applying Polymeric Sand or Any Other Weed Prevention Method. What Steps Should Be Taken to Ensure the Best Results?

  • Remove any existing vegetation or grass from the paver surface.
  • Clean the surface thoroughly by sweeping or using a pressure washer.
  • Repair any cracks or uneven areas on the paver surface.
  • Ensure that the surface is level and smooth before proceeding.
  • Add a layer of bedding sand and compact it using a compactor.
  • Make sure the surface is free of any debris or loose particles.
  • Apply the polymeric sand or weed prevention method according to the manufacturer’s instructions.
  • After applying, use a broom to sweep the sand into the joints between the pavers.
  • Finally, moisten the surface to activate the polymeric sand or weed prevention method.

When it comes to filling the gaps between paving blocks, sand is the most commonly used joint material for pavers. By using different types of sand, you can stabilize the pavers and effectively prevent insects and weeds from causing any damage to your outdoor flooring.

What Do You Put Between Paving Blocks?

When it comes to securing and enhancing the longevity of your block paving, choosing the right material to fill the joints is essential. The most commonly used joint material for paving blocks is sand. Sand provides stability to the pavers, preventing movement and reducing the risk of cracks or uneven surfaces over time.

There are different types of sand that can be used for this purpose. One option is silver sand, a fine-grained sand that’s commonly used for block paving. Silver sand is known for it’s smooth texture and pale color, which complements the aesthetic of the pavers. It’s smaller particle size allows for better filling of the gaps between the blocks, resulting in a more secure and visually pleasing finish.

Using silver sand between paving blocks not only provides stability but also helps to prevent the growth of weeds and the invasion of insects. The compacted sand acts as a barrier, inhibiting the growth of unwanted vegetation and discouraging pests from making their homes in your outdoor space.

To achieve the best results, it’s important to properly prepare the area before filling the joints with silver sand. This includes cleaning the pavers thoroughly, removing any debris or dirt that may hinder the sand from settling properly. Additionally, compacting the sand after it’s been applied will ensure a solid and firm surface, maximizing the longevity of your block paving.

It’s worth noting that while silver sand is commonly used, there are other options available as well. Some individuals may prefer to use kiln-dried sand or even a mixture of sand and cement for added strength and durability. The choice ultimately depends on personal preference and the specific requirements of your project.

The Benefits of Using Kiln-Dried Sand for Filling Joints in Paving Blocks

Kiln-dried sand is a popular choice for filling joints in paving blocks due to it’s numerous benefits. This type of sand goes through a specific drying process in a kiln, which removes all moisture, resulting in clean, fine grains that easily settle between the pavers.

One of the key advantages of using kiln-dried sand is it’s excellent stability. Once it’s applied and watered, the sand hardens, providing a firm and secure base for the paving blocks. This helps to prevent movement and keeps the blocks in place, ensuring a long-lasting and durable surface.

In addition, kiln-dried sand helps to inhibit weed growth. The dry and compact nature of this sand discourages weed seeds from germinating and thriving in the joints. By using kiln-dried sand, you can significantly reduce the amount of time and effort required for weed control, allowing you to enjoy your paved area without constant maintenance.

Furthermore, using kiln-dried sand for joint filling enhances the overall appearance of the paving. The sand fills in the gaps evenly, giving a neat and professional finish. It also acts as a protective barrier, preventing dirt and debris from accumulating in the joints, which can detract from the overall aesthetic appeal.

Overall, kiln-dried sand offers numerous benefits for filling joints in paving blocks. It’s stability, weed-inhibiting properties, and ability to enhance the visual appeal make it an ideal choice for maintaining and improving your paved surfaces.


Pavement materials, including asphalt, concrete, stones, and artificial stone, are used in various landscape architecture projects. Although it requires annual re-application, the benefits it provides in terms of maintaining a weed-free surface make it worth the effort.

Scroll to Top