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The Production Process of Slate Roofing Tiles

As one of the most popular roofing materials on the market, slate has been used within the roofing industry for hundreds of years! With this said, many homeowners tend not to question the process that is undertaken in order to obtain slate and utilise it to protect a property from the wrath of Mother Nature. Luckily, the team here at Valent Roofing want to educate our readers which is why we have decided to go over everything there is to know about the product process of slate tiles from quarry to roof. Read on to find out more information…

What is slate?

By definition, slate is a metamorphic rock that comes from a shale-type sedimentary rock and it is formed over millions upon millions of years during a process known as bedding. In fact, intense geological forces involved in the creation of mountain ranges were also integral to the formation of slate as this allowed the minerals to become metamorphosed.

How is slate removed from the earth?

Since slate is a naturally forming rock, it must be extracted from deep within the earth from a quarry with the use of specialist machinery. Contrary to belief, slate is not mined as the tiles that are placed on a roof and is generally obtained from a quarry in the form of a slab. It is then cut into smaller blocks that can be easily transported to a nearby factory.

How is slate treated after mining?

After slate blocks are removed from a quarry, they are categorised based on quality and potential and sawn into an appropriate shape. The slate that is destined for roofing is then transported to a shaping craftsman who will hand split the blocks to the desired thickness of a roofing tile before bevelling the edges.  The very end of the production process is completed with a quality and classification inspection before the slate tiles are packaged for delivery.

Here at Valent Roofing, we believe that affordability, longevity and sustainability are the secret to a high-quality roofing material. Luckily, slate is a naturally occurring rock and a high-quality roof made from the tiles can last for over a century with the right attention to detail and maintenance. To find out more information about slate and other eco-friendly roofing materials, get in contact with the industrial roofing experts at Valent Roofing today!


Valent Roofing, 500 King’s Rd, Stretford, Manchester, M32 8JT
Telephone: 0161 864 3311
Fax: 0161 864 3322

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