Outdoor Porcelain Tiles – Black Slate
Premium black slate-effect outdoor porcelain paving tiles featuring deep charcoal tones and a natural stone texture. These contemporary slabs are slip-resistant, weatherproof, low maintenance, and perfect for modern patios and outdoor spaces.
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Original price was: £579.00.£499.00Current price is: £499.00. (inc VAT)
Bring bold sophistication to your outdoor space with these striking black slate-effect porcelain paving tiles. Featuring rich graphite and deep charcoal tones with subtle natural stone variation, these 900 x 600mm slabs create a dramatic contemporary finish that instantly elevates patios, pathways, terraces, and garden spaces.
The dark slate-inspired colouring delivers a sleek architectural look that pairs beautifully with modern landscaping, outdoor kitchens, fire pits, timber cladding, and minimalist garden designs. Delicate textured detailing and authentic stone shading replicate the appearance of natural black slate while offering the superior durability and low-maintenance benefits of premium porcelain.
With a substantial 20mm thickness, these outdoor porcelain tiles are engineered for strength and long-lasting performance in all weather conditions. The colour remains consistent over time, resisting fading from sunlight, while the slip-resistant surface provides practical safety and style throughout the seasons.
Ideal for creating seamless indoor-outdoor transitions, the elegant black finish adds depth, contrast, and a luxury feel to any exterior setting — especially when combined with modern planting schemes, lighting, or contemporary furniture.
Key Features:
Deep black and charcoal slate-effect finish
Authentic natural stone appearance
Large-format 900 x 600mm design
Durable 20mm outdoor porcelain construction
UV, frost, stain, and scratch resistant
Slip-resistant textured surface
Low-maintenance alternative to natural slate
Perfect for modern patios and contemporary gardens
Create a refined outdoor environment with the timeless beauty of dark slate tones and the performance of high-quality porcelain paving.
Frequently Asked Questions
Coverage & Waste
Carefully measure the width and length of the area you’re looking to cover and multiply these together to get the square meterage.
Our tile calculator will then help you include a percentage for wastage and work out the total area and number of tiles you need to buy.
We pack our products as carefully as possible for delivery, but despite this some products may damage in transit: the industry standard is to allow for up to 7%. In addition to this, you’ll need to cut some slabs for edges or borders.
Finally, no matter how professional you are, we all make mistakes, and you may find that some tiles get damaged or incorrectly cut during the laying process.
We always recommend ordering an extra 10–20% on top of your measured area.
Why? Because no matter how carefully we package the tiles, some products may damage in transit, some will need cutting for edges or borders, and a few might not make the cut (pun intended!) during installation. That extra 10–20% is your insurance policy for peace of mind – it helps you finish the job without last-minute shortages or scrambling for top-ups.
Different batches of tiles can vary slightly in colour or tone, even with the same product. Ordering everything in one go means all your slabs come from the same batch, ensuring a consistent, seamless finish.
Making sure you order enough tiles to start with, also saves you the time, hassle, and additional costs of extra deliveries.
While we do our best to package everything securely, minor edge chips and small amounts of damage (up to 7% of the delivery) are within expectations for wastage.
If damages exceed 7% of your total order, we’ll refund proportionally and, if it’s over 20%, we’ll look into dispatching replacements (just send us clear images of the damage so we can assess the claim).
Why Choose Port Stone
Finest Quality
We source materials from around the world to bring you the best products we can find.
We truly believe that quality matters and only choose materials that make the cut
Trust in the Experts
Our teams install these materials in customers’ gardens year round.
Our experts understand the difference that quality makes and ensure we only choose the best materials
Try Before You Buy
Make sure you know exactly what you’re getting with our free sample service.
You can be sure the product you’re ordering will look great in your home.
Great Value
By importing the products ourselves and selling direct to you, we’re confident that you can’t get a better deal anywhere else.
We even guarantee it.
What Our Customers Say
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