What to Put Under Landscaping Bricks: Essential Tips for a Stable and Aesthetic Brick InstallationMabel ThorneSep 04, 2025Table of ContentsTips 1:FAQTable of ContentsTips 1FAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeWhen installing landscaping bricks, what you place underneath them is the foundation for a successful, long-lasting project. The right underlayment prevents shifting, unevenness, weeds, and drainage issues. Typically, the process starts by excavating the area to the required depth and laying down a base material. The most common materials to put under landscaping bricks include compacted gravel or crushed stone, which create a sturdy foundation that supports weight and provides drainage. On top of the gravel base, a layer of coarse sand (often about an inch thick) is spread and leveled. This sand layer allows for easy leveling and helps lock the bricks in place. For added weed prevention, some also install a landscape fabric under the gravel.As a designer, I view every detail of a project as pivotal for both aesthetics and functionality. Choosing the right materials and layering them thoughtfully not only helps your landscaping bricks last for years but also elevates the whole project’s visual harmony. In fact, using a 3D floor planner can help you visualize the foundation and the overall finish before breaking ground.Tips 1:Always compact each layer thoroughly with a plate compactor to ensure stability. Double-check your slope for water drainage so that moisture won’t pool around your bricks.FAQQ: Do I need landscape fabric under landscaping bricks?A: Landscape fabric acts as a weed barrier, but it's not strictly necessary if you have a deep enough gravel and sand base. However, it can provide extra protection against weeds growing between bricks.Q: How thick should the gravel base be for landscaping bricks?A: Generally, a 4-6 inch layer of compacted gravel or crushed stone is recommended as a solid base for landscaping bricks.Q: What kind of sand should I use under landscaping bricks?A: Use coarse sand, such as concrete or bedding sand, for stability and drainage. Avoid fine play sand, which compacts less effectively.Q: Can I lay landscaping bricks directly on soil?A: It's not recommended, as soil tends to shift and settle. A gravel and sand base ensures stability and longevity.Q: How do I keep landscaping bricks from moving after installation?A: A well-compacted base and sand layer, plus tight, interlocked placement and proper edging, will keep bricks stable over time.Home Design for FreePlease check with customer service before testing new feature.