What Different Sizes Do Paving Slabs Come In?
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When planning a patio or outdoor paving project, one of the key decisions is choosing the right size paving slabs. The size of the slabs impacts the overall look and feel of the space, as well as the ease of installation and cost. In this comprehensive guide, we'll explore the most common and popular paving slab sizes available in the UK market.
Paving slabs are available in various sizes, including rectangular, square, and circular shapes. The most popular options are the 60 series and single size paving using 600x600mm or 900x600mm slabs. Slabs are typically 18-25mm thick and can be mixed within a project for unique patterns.
Rectangular Paving Slabs
Rectangular paving slabs, such as the 600mm x 300mm and 900 x 600 mm sizes, offer a versatile option for various paving projects. The elongated shape allows for the creation of linear patterns, such as stacked bond or stretcher bond, which can visually lengthen and widen a space. Rectangular slabs are well-suited for pathways, as they provide a natural walking rhythm and can be laid in a directional pattern to guide foot traffic.
Square Paving Slabs
Square paving slabs, like the popular 600 x 600 mm size, bring a sense of symmetry and balance to outdoor spaces. They can be laid in a simple grid pattern for a clean, modern look or arranged in a diamond formation for added visual interest. Square slabs work well in both small and large areas, and their equal proportions make them easy to work with and combine with other shapes and sizes.
Circular Paving Features
While not as common as rectangular or square paving slabs, circular paving features can add a unique and eye-catching element to your outdoor space. Circular paving can be used to create a focal point, such as a small patio area or a centerpiece in a larger paved expanse. The curved edges of circular paving can soften the hard lines of traditional paving slabs and introduce a sense of flow and movement. Circular paving can also be used to highlight specific areas, such as a fire pit or water feature.
The 60 Series: The Most Popular Choice
The 60 series is the most widely used and recommended size for paving slabs. It consists of four sizes that share a common multiple of 300mm:
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- 900 x 600 mm
- 600 x 600 mm
- 600 x 450 mm
- 600 x 300 mm
The consistent sizing and easy-to-work-with common multiple make the 60 series a top choice for both DIY enthusiasts and professional landscapers. The slabs can be laid in various patterns, from simple stacked bonds to more intricate designs.
The 56 Series: An Alternative Option Another popular sizing option is the 56 series, which includes five slab sizes:
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- 840mm x 560mm
- 560mm x 560mm
- 560mm x 420mm
- 560mm x 280mm
- 280mm x 280mm
While not as widely used as the 60 series, the 56 series offers a bit more variety in sizes. However, the common multiple of 560mm can be slightly trickier to work with compared to the 60 series' 300mm.
Single Size Paving Slabs
In recent years, there has been a growing trend towards using single size paving slabs for a clean, modern look. The most popular single sizes are:
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- 600mm x 600mm
- 900mm x 600mm
Opting for a single size creates a uniform, grid-like pattern with long, straight lines that complement contemporary design styles.
Choosing the Right Size for Your Project When selecting paving slab sizes, consider the following factors
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- Space: Larger slabs can make a small area feel more spacious, while smaller slabs are better suited for larger areas or creating intricate patterns.
- Style: The size of the slabs contributes to the overall aesthetic. Large, single-size slabs create a modern, minimalist look, while multiple sizes can achieve a more traditional or rustic feel.
- Installation: Larger slabs cover more area per piece, requiring less labor for installation. However, they can be heavier and more challenging to handle.
- Budget: Generally, larger slabs are more expensive per square meter compared to smaller sizes. However, they may result in lower installation costs due to fewer pieces needed.
What is the thickness of paving slabs?
Paving slabs for residential projects range from 18mm to 25mm thick. The thickness is typically consistent across all sizes within a particular series or product line.
Can I mix different sizes of paving slabs in the same project?
Mixing different paving slab sizes within the same project is possible and often encouraged. Combining sizes can create visual interest and unique patterns. Many "patio packs" include a mix of slab sizes specifically designed to be laid together.
How do I calculate the number of paving slabs needed for my project?
To calculate the number of paving slabs needed, first determine the total area to be paved in square meters. Then, divide this area by the area of a single slab (length x width) in square meters. Always round up to the nearest whole number and add 5-10% for cuts and waste.
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