Bluestone pavers have long been a popular choice for homeowners, landscapers, and designers for landscaping projects due to their exceptional combination of durability, versatility, and aesthetic appeal.
However, in recent years, 2cm thick porcelain pavers have been making major inroads into the landscape paver markets, not least because of their ability to very successfully mimic the appearance of traditional decking and landscaping materials, including natural stone. Both materials offer distinct advantages, so the selection of one material over the other generally comes down to different needs and design preferences. In this blog post, we compare these two types of pavers across a number of key factors to help you determine which is the best choice for your specific project.
Material Composition
Bluestone Pavers: In the USA, natural bluestone is primarily known as a fine-grained sandstone sourced from quarries in Pennsylvania and New York and characterized by its grey-blue color. ‘Pennsylvania Bluestone’ is a unique sandstone found only in NE Pennsylvania. In Australia, bluestone a fine-grained extrusive igneous rock otherwise known there as basalt. In both cases the stone features a dense tightly bound structure, making it particularly durable and resistant to wear.
Porcelain Pavers: Porcelain pavers, on the other hand, are man-made. They are created from a mixture of clay, sand, and other natural materials that are fired at very high temperatures to produce a dense, durable, non-porous product. Porcelain pavers are manufactured to resemble not just natural stone, but wood and even concrete, and now come in an exceptionally wide range of styles and colors.
Aesthetic Appeal
Bluestone Pavers: Bluestone is highly valued for its natural beauty. Its color range includes shades of blue, gray, brown and purple, giving it a unique, earthy appearance. Each paver is slightly different, creating a distinctive, natural look for patios, pathways, or pool surrounds. Bluestone works well in both traditional and rustic settings, adding an organic, timeless aesthetic to any space.
Porcelain Pavers: Porcelain pavers offer a broader range of design possibilities. While they can be made to imitate the look of natural bluestone, porcelain pavers are also available in a variety of other stone look styles and colors, which are not limited to the availability of a specific quarried stone in a local region or even a single country. Thus porcelain is ideal for creating a sleek, modern look, and provides more extensive options where natural bluestone might not exactly meet the full aesthetics desired in a particular landscape project. Porcelain pavers generally display a more consistent color and pattern across a complete project since typically the variation is limited to 10 or so different ‘faces’ produced for a specific paver color.
The example below of Archatrak ‘Pennstone’ porcelain pavers illustrates their similarity in appearance to natural bluestone. With this particular paver color, the manufacturer offers two styles of pavers. ‘True Blue’ features primarily grey tones with minimal rust like coloring and is textured in a ‘Thermal pattern’. ‘Full color‘ features a much broader palette of color and is textured in a ‘Cleft’ pattern. In stone terminology, a ‘cleft’ finish is where the paver has been split along natural fault lines resulting in a slightly rough texture with distinct raised and sunken areas. A ‘thermal’ finish is where the paver is sawn and then undergoes a heating process that creates a smooth, consistent surface.
Versatility in Design
Bluestone Pavers: Pavers can be used for bluestone patios, sidewalks, garden paths, steps, pool coping, driveways, and much more. They come in a wide range of both sizes and thicknesses, allowing for customization to suit most designs or layouts. They can complement both modern and traditional settings, adding an elegant and timeless touch to any space.
Porcelain Pavers: Although the sizes available in porcelain pavers are somewhat at the whim of the manufacturer, they are now available in a broad range of sizes, even as large as 48” x 96”. The vast majority of colors and styles are only supplied as 2cmm thick porcelain pavers, but a somewhat more limited range of 3cm thick pavers are also available from European suppliers. Even 5cm thick pavers are available in cobblestone styles.
Durability and Strength
Bluestone Pavers: Bluestone is a naturally dense and hard material, which makes it highly durable and able to withstand heavy foot traffic and extremes of weather conditions. It is well-suited for high-traffic areas and outdoor installations that require long-term resilience. However, while it is very strong, it can still be susceptible to chipping or cracking under extreme impact.
Porcelain Pavers: Porcelain pavers are also highly durable due to their high-temperature manufacturing process. They are non-porous, which makes them particularly resistant to stains, mold, and mildew. Porcelain is also exceptionally resistant to fading and color change. However porcelain is generally as not impact resistant as bluestone of the same thickness and is also susceptible to chipping.
Maintenance
Bluestone Pavers: Bluestone pavers are relatively low maintenance. Their natural composition makes them resistant to weathering and fading. However, bluestone paving is somewhat porous and to preserve the appearance of pavers and prevent them from accumulating stains, dirt, and moss, sealing periodically is advisable. Bluestone may also require cleaning from time to time, especially in areas with heavy moss or algae growth.
Porcelain Pavers: Porcelain pavers are extremely easy to maintain. Because they are non-porous, stains, oils, and other contaminants are less likely to penetrate the surface. A simple wash with water and mild soap is usually sufficient to keep them looking new. Porcelain pavers do not require sealing, and their color and texture remain consistent over time without fading.
Slip Resistance
Bluestone Pavers: One of the advantages of bluestone pavers is their natural texture, which provides good slip resistance. This makes them an excellent choice for bluestone patios, pool areas and walkways where safety is a priority. However, in certain conditions, such as wet or icy weather, even bluestone can become slippery, especially if it is polished.
Porcelain Pavers: Porcelain pavers for exterior use and especially for bluestone pavements or sidewalks, normally have a textured finish and often a degree of surface roughness, so can offer good traction. In general however, natural bluestone offers greater slip resistance, especially in wet conditions.
Paver Cost
Bluestone Pavers: Natural bluestone is generally considered a premium material so typically will be somewhat more expensive than porcelain pavers. The cost can vary depending on the quarry location, size, and thickness of the pavers. The price reflects the quality, rarity, and labor-intensive process of quarrying natural stone.
Porcelain Pavers: Porcelain pavers are normally more affordable than natural bluestone but labor costs for installation can vary depending on the complexity of the layout.
Environmental Impact
Bluestone Pavers: As a natural material, bluestone is considered environmentally friendly. It is sourced from quarries, and while the extraction process does have an environmental impact, it is generally more sustainable compared to the production of synthetic materials. Since bluestone is highly durable, it thus has a long lifespan and will require fewer paver replacements over time.
Porcelain Pavers: Porcelain pavers are manufactured via an energy-intensive process which may have a higher environmental impact compared to natural stone. However, many manufacturers are adopting more sustainable practices, such as using recycled materials and reducing carbon emissions. Additionally, porcelain’s long lifespan and low maintenance requirements can help offset its environmental impact.
Installation
Blue stone Pavers: Blue stone pavers are relatively easy to install, but because they are made from natural stone, they may require more time and expertise to ensure proper placement and alignment. They can be installed over concrete with mortar for bluestone patios or dry-laid over sand, but pavers of normal thickness are not suitable for laying on a pedestal system for roof decks because natural imperfections in the stone like hairline fractures can reduce their flexural strength.
Porcelain Pavers: Porcelain pavers are also generally easy to install. They can be dry laid on sand or gravel beds, either fixed with mortar or supported by rubber support pads over concrete, and also installed with a pedestal paver system for elevated rooftop decks. Since porcelain pavers are lighter than bluestone, they are easier to bring on site and handle during installation.
Conclusion
Both natural bluestone and porcelain pavers offer unique advantages, and the best choice ultimately depends on your specific needs, design preferences, and budget.
Bluestone paving is a great option for those seeking a natural, timeless look with excellent durability and slip resistance, particularly in traditional or rustic designs.
Porcelain pavers offer a wide range of modern design possibilities, are low-maintenance, and are highly resistant to staining and fading, making them ideal for contemporary spaces and areas with high exposure to weather elements.
By understanding the strengths and weaknesses of each material, you can make an informed decision that enhances the beauty and functionality of your outdoor spaces.