Contessa slate is widely regarded as one of the flattest and most uniform slates available on the UK market, making it a popular choice for both professional roofers and homeowners alike. Its consistent quality means that it requires minimal sorting and grading on site, saving valuable time and effort during installation. Wastage for the 5mm slate is approximately 5%, making it a cost effective option with minimal material loss. This premium slate is quarried in Northern Spain, right in the heart of one of the country's most historic and renowned slate producing regions. With its sleek finish, excellent durability, and timeless appeal, Contessa slate offers a high quality, low maintenance solution ideal for a wide range of roofing projects.