Dr. VĂctor Cárdenes Van den Eynde
Geologist and roofing slate independent consultant
19/05/2022
I am going to talk today about the world’s main roofing slate outcrops, their characteristics and their historical importance. Before I go on, I would like to give a quick reminder of the difference between slate and roofing slate. The first is a type of rock, which is relatively common in the earth’s crust. It […]
Dr. VĂctor Cárdenes Van den Eynde
Geologist and roofing slate independent consultant
17/05/2022
There has been increasing talk over recent years of phyllite as a kind of Premium roofing slate, with better technical and aesthetic characteristics than traditional slate, and of it being much more exclusive because there are only a few deposits in the world. Phyllite is progressively gaining prestige, but is this prestige deserved? Are we […]
02/03/2022
The useful life of natural slate can exceed 100 years, but what about its appearance? According to laboratory tests, it is as if time stands still for natural slate: its colour and shine remain unchanged even under the most adverse climatic conditions, which its roofing alternatives such as ceramic and concrete cannot match. The Romans […]
04/02/2022
Architecture design is always a hot topic and there are some great people twittering about the latest trends in home building and decoration. Check out these architecture twitter accounts we think you need to follow in 2022 to stay updated. 1. Home Adore (+2.2M followers) – @HomeAdore An online publication specialized in architecture and interior […]
Dr. VĂctor Cárdenes Van den Eynde
Geologist and roofing slate independent consultant
27/01/2022
Everyone who has ever visited Japan agrees on one thing; it is another world. Its culture, history and society are so different from Europe that visitors feel like they are on another planet. Everything, from simple everyday details to society itself, is different. This also applies to traditional Japanese architecture, which uses light, flexible materials. […]
Dr. VĂctor Cárdenes Van den Eynde
Geologist and roofing slate independent consultant
16/09/2021
For a while now that I hear more and more people asking about the asbestos content of roofing slate. There are two ways to give an answer to this concern, the short one and the long one. First, the short one: Roofing slates do not have asbestos, it is mineralogically, chemically and geologically impossible. In […]
03/09/2021
The latest addition to our wide range of natural slates is now on the market for you to buy. UK customers can now purchase the new CUPA 50, a deep grey slate coming from Northern Spain with all the benefits that buying the world leader in slate offers. The  launch is part of a broader […]
Dr. VĂctor Cárdenes Van den Eynde
Geologist and roofing slate independent consultant
08/06/2021
Bending Strength, also known as Flexural Strength, Breaking Load or Modulus of Rupture, is one of the main properties of roofing slates. This test is found in the four roofing slate standards: European EN 12326, USA ASTM C406, Chinese GB/T 18600 and Indian IS 6250. Together with the water absorption test and sulphur atmosphere exposure, […]