Company News
Unveiling the Secret: How Premium Slate Creates Perfect Hand-Crafted Chamfered Edges
A slate roof is judged by more than its colour or size. The edge of every slate also matters. A clean, natural chamfer can make a roof look refined, balanced, and truly hand-made.
At Red Tree Slate, our #681 (RTS-1) china slate is selected for the
Created on 08.12
Model #681(RTS-1) Slate: Spanish-Level Efficiency with More Competitive Pricing
Time is the biggest variable on any job site. If your roofing crew spends hours sorting through crate after crate of natural stone just to find matching thicknesses, your margins disappear fast.
For decades, roofing contractors across Europe (incl
Created on 07.27
Natural Roofing Slate: Underground Quarrying vs. Open-Pit Mining
For European buyers, choosing roofing slate is about more than just looks. It also affects roof quality and installation speed. When buying slate from China, one big question usually comes up: How was the stone taken out of the ground?
The way wor
Created on 07.01
The Green Shift: Why Underground Mining Makes Natural Slate the Ultimate Sustainable Material
Today, architects and buyers must care about the environment. When you choose roofing materials for a building, sustainability is a core requirement. Everyone wants to reduce CO2 emissions and meet green standards.
Natural roofing slate is already
Created on 06.02
Slate Edging Made Easier for Roof InstallationRoof edging is one of the most important parts of slate roof installation. It does more than finish the edge. It also affects the roof line, wind resistance, water flow, and the final look of the project. In the real cases, you can see workers aligni
Created on 05.19
A Complete Guide to BS EN 12326 Slate: What A1-W1-T1-S1 Means for Your Slate Roof (2026 Edition)
Choosing natural stone for a roof can feel complex. If you work with Natural roofing slate for the UK or European market, you may see the code A1-W1-T1-S1.
These codes are not random. They show how slate performs in key tests under EN 12326-1.
Thi
Created on 04.22
Visionary Entrepreneur Zhang Xuan: Elevating Shaanxi’s Natural Slate to the Global StageDuring the recent Two Sessions in Ankang, entrepreneur and committee member Zhang Xuan shared his inspiring 8-year journey of transforming Shaanxi’s natural slate roofing industry. Since founding Quarry Company in 2017, Zhang has been dedicated to a
Created on 03.09
A Comprehensive Guide to Brazilian Slate: Benefits, Characteristics, and Costs
Brazilian slate has emerged as a cornerstone of the modern roofing market, particularly in the UK. As the world’s second-largest producer, Brazil—specifically the Minas Gerais region—supplies a significant portion of the slate used in contemporary
Created on 01.30
Understanding BS EN 12326: Why A1-W1-T1-S1 Classification is the Gold Standard for Your RoofNatural slate is often heralded as the "100-year roof," but its longevity depends entirely on its geological composition and adherence to international standards78. At Red Tree Slate, our products are fully compliant with BS EN 12326, achieving the h
Created on 01.21
The Red Tree Slate Legacy: Decades of Artisanal Craftsmanship from China’s Premier Quarry
Founded in the early 1990s and operated by two generations, Red Tree Slate has grown into a globally trusted supplier by maintaining a steadfast commitment to excellence. Our primary production base is located in Baizhuxia, Ankang, a region celebr
Created on 01.15
Chinese Slate: is good quality?Chinese Slate: is good quality?
Chinese slate has established itself as a significant roofing material within the European market, valued for its competitive pricing and consistent supply. Available in Euro market for over two decades, it has evolved
Created on 2025.12.17