GHR Conwy Grey natural roof slate is extremely flat with a smooth even texture often used in period properties and modern homes enhancing the character of any building.

Our Conwy Grey Natural Slates bring together durability, elegance and exceptional performance for projects across the UK. Quarried from premium slate deposits, this slate provides a roof covering fit for the finest modern or period properties.

Quarried, split, and selected to the highest standards, Conwy Grey offers exceptional characteristics, making it a natural choice for discerning roofers, architects, specifiers and homeowners. Every batch undergoes rigorous sorting to ensure extraordinary regularity in both thickness and dimensional accuracy, making the Conwy Grey one of the flattest slates on the market, thus saving both time and reducing costs associated with sorting and grading for slaters.

Featuring a natural, subtle colour variation, Conwy Grey is verified non-fading, tested annually to British Standard 12326-2 with W1-S1-T1 results. These natural slates are guaranteed to maintain their striking aesthetic for generations. Tested and verified annually by Celtest in North Wales.

BS EN 12326 A1, T1, S1 Standard

Tested to the highest standard for European natural slate, Conwy Grey achieves A1 non-combustibility/low water absorption, T1 resistance to thermal cycling (no rusting or staining), and S1 resistance to atmospheric pollution.

Excellent Workability & Minimal Grading

• Consistent Thickness: Graded and pre-sorted for uniform thickness, reducing time spent grading on-site and speeding up installation.
• Clean Cutting & Punching: Easy to hole, trim, and cut using standard slate tools without excessive splitting or waste.

Rich Natural Aesthetics

• Timeless Finish: Features a subtle natural texture and a deep, rich grey shade that adds architectural character to both historic refurbishments and modern new builds.
• Non-Fading Durability: Resists colour fading from UV exposure and maintains its natural luster for generations.

Sizes for every project

We maintain comprehensive stock holding across a full range of standard and non-standard sizes. Stock is available in traditional imperial dimensions including 20″x12″, 22″x11″, 24″x12″, 24″x14″, and 24″x18″.