Can I use mortar between pavers?
As a gardening and landscaping expert, I understand the importance of choosing the right materials for various projects. When it comes to paver installations, the binding material plays a crucial role in ensuring the stability and longevity of the paved surface. While mortar might initially seem like a good choice, it is actually a bad idea for holding pavers together.
Mortar, typically made from a mixture of cement, sand, and water, is commonly used for masonry projects such as brick walls or stone structures. It is known for its strong bond and durability. However, when it comes to paver installations, mortar does not provide the flexible seal that sand does.
One of the key reasons why mortar is not suitable for paver installations is its lack of flexibility. Pavers are subject to expansion and contraction due to various factors such as temperature changes, moisture, and soil movement. Unlike sand, which allows for this movement, mortar is rigid and can crack under pressure. These cracks can lead to a compromised structure and potential paver displacement.
Another drawback of using mortar between pavers is the difficulty in making repairs or adjustments. Once mortar sets, it becomes hard and challenging to remove without damaging the pavers. This can be problematic if you need to replace a damaged paver or make alterations to the layout of your paved surface in the future.
In contrast, using sand as a binding material for pavers offers several advantages. Sand provides a flexible and forgiving surface that allows for natural movement of the pavers. It also allows for easier repairs or adjustments, as individual pavers can be lifted and replaced without disturbing the entire installation.
To properly install pavers using sand, you can follow these steps:
1. Prepare the base: Ensure that the base is well compacted and leveled. This will provide a stable foundation for the pavers.
2. Lay the pavers: Place the pavers in your desired pattern, leaving a small gap (usually around 1/8 to 1/4 inch) between each paver for the sand to fill.
3. Fill the joints: Once the pavers are in place, pour dry sand over the entire surface. Use a broom to sweep the sand into the joints, ensuring that it fills the gaps completely.
4. Compact the sand: To further settle the sand and ensure a tight bond, use a plate compactor or a rubber mallet to gently tap on the pavers. This will help the sand settle and lock the pavers in place.
5. Repeat the process: If necessary, repeat the sand filling and compacting process until the joints are fully filled and the pavers are secure.
While mortar may seem like a strong choice for holding pavers together, it is not suitable for paver installations due to its lack of flexibility and difficulty in repairs. Sand, on the other hand, provides the necessary flexibility and ease of maintenance, making it the preferred choice for binding pavers. By using sand and following proper installation techniques, you can ensure a stable and long-lasting paved surface for your outdoor space.
