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Porto Slate

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  • Porto Slate
  • Porto Slate Tile
  • Porto Slate Tile
  • Porto Slate Finished Product
  • Porto Slate Finished Product
About
Material Type: Slate
Origin:PortugalPortugal (Santa Baia,Valongo, Porto)
Priamry Color(s): Black
Recommended Usage:Exterior - Interior wall and floor applications, countertops, mosaic, fountains, pool and wall cappi
Finishing Surface:Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Additional Names:Porto Schiefer,Ardosia De Valongo
Testing
Water Absorption:0.45 %
Density:2700 kg/m3
Flexural Strength:54 N/mm2
Description

A blue-gray to black shales (muscovite-sericite-schist) the geological era Ordovician (Caledonian orogeny).
Color:blue-gray to black shales
Surface finishing: Sawn, Honed, Bushhammered, Sandblasted and Brushed(Antique).
Usages:Exterior - Interior Flooring: Yes 
Countertops: Yes
Wall / Backsplash: Yes

Porto Slate is a muscovite-sericite-schist, which is mined in the north east of the provincial city of Portugal Valongo. It was formed about 400 million years ago in the age of the Ordovician. Today he is one because of its robust surface and its massive blue-gray to deep black hue to the top slate week. Porto slate is one of the well-cleavable natural stone and is just as good as for floor and wall tiles for all large-sized workpieces. In order to be able to move more easily, we deliver bottom plates in a uniform calibrated thickness.

Technical parameters
Density: about 2.7 kg / dm3, 

flexural strength: about 54 N/mm2, compression strength: about 55.0 N / mm2, water absorption: about 0.45%, frost resistant

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FAQ Ask a Question
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Are there color variations of Portugal's Porto Slate?

Yes, there are some color variations with Portugals Porto Slate. The slate can range in color from grey to black, with occasional shades of blue, green, or brown mixed in. The color variations can be affected by the quarry location, depth of the slate, and exposure to sunlight.
Yes, there are some color variations with Portugals Porto Slate. The slate can range in color from grey to black, with occasional shades of blue, green, or brown mixed in. The color variations can be affected by the quarry location, depth of the slate, and exposure to sunlight.
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Can Portugal's Porto Slate be used in landscaping?

Yes, Portugals Porto slate can be used in landscaping. It is often used for various outdoor applications such as paving, walkways, patios, water features, and pool surrounds. Its natural and unique appearance makes it a popular choice for adding texture and visual interest to garden and outdoor spaces. It is known for its durability and resistance to weathering, making it suitable for outdoor use.
Yes, Portugals Porto slate can be used in landscaping. It is often used for various outdoor applications such as paving, walkways, patios, water features, and pool surrounds. Its natural and unique appearance makes it a popular choice for adding texture and visual interest to garden and outdoor spaces. It is known for its durability and resistance to weathering, making it suitable for outdoor use.
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Is Portugal's Porto Slate an expensive stone?

I do not have access to real-time pricing information for Portugals Porto Slate. However, it is generally considered a high-quality and desirable stone, which often makes it more expensive than other types of slate. The cost will depend on various factors, such as the size and thickness of the tiles, the grade of the stone, and the supplier. Please consult with a stone supplier or contractor to obtain accurate pricing information.
I do not have access to real-time pricing information for Portugals Porto Slate. However, it is generally considered a high-quality and desirable stone, which often makes it more expensive than other types of slate. The cost will depend on various factors, such as the size and thickness of the tiles, the grade of the stone, and the supplier. Please consult with a stone supplier or contractor to obtain accurate pricing information.
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How thick is Portugal's Porto Slate slabs?

I do not have access to the latest information on all types of slabs in the market. However, I can inform you that the thickness of Portugals Porto Slate slabs may vary depending on the manufacturer, grade, and intended use. Its advisable to check with a supplier or manufacturer for specific measurements.
I do not have access to the latest information on all types of slabs in the market. However, I can inform you that the thickness of Portugals Porto Slate slabs may vary depending on the manufacturer, grade, and intended use. Its advisable to check with a supplier or manufacturer for specific measurements.
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Can Portugal's Porto Slate be used in a kitchen?

Yes, Portugals Porto Slate can be used in a kitchen as it is a durable and heat-resistant material. It can be used for countertops, backsplashes, and flooring. However, it is important to properly seal the slate and clean it regularly to prevent staining and damage.
Yes, Portugals Porto Slate can be used in a kitchen as it is a durable and heat-resistant material. It can be used for countertops, backsplashes, and flooring. However, it is important to properly seal the slate and clean it regularly to prevent staining and damage.
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Can Portugal's Porto Slate be used outdoors?

Yes, Portugals Porto Slate can be used outdoors as it is a durable and weather-resistant natural stone. It is often used for outdoor flooring, paving, and landscaping. However, it is important to choose a suitable thickness and finish to ensure maximum longevity and safety. It is also recommended to seal the slate to protect it from moisture, staining, and other potential hazards.
Yes, Portugals Porto Slate can be used outdoors as it is a durable and weather-resistant natural stone. It is often used for outdoor flooring, paving, and landscaping. However, it is important to choose a suitable thickness and finish to ensure maximum longevity and safety. It is also recommended to seal the slate to protect it from moisture, staining, and other potential hazards.
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What is the coefficient of friction of Filled Portugal's Porto Slate tiles?

The coefficient of friction for Filled Portugals Porto Slate tiles can vary depending on various factors such as the specific type of slate, the surface finish, and whether it has been sealed or treated in any way. However, in general, slate tiles tend to have a relatively high coefficient of friction due to their natural texture and roughness. It is common for slate tiles to have a coefficient of friction ranging from 0.6 to 0.8 or higher. It is recommended to consult with the manufacturer or supplier of the specific Porto Slate tiles you have in mind to get accurate information on their coefficient of friction. They should be able to provide you with detailed technical specifications and test results.
The coefficient of friction for Filled Portugals Porto Slate tiles can vary depending on various factors such as the specific type of slate, the surface finish, and whether it has been sealed or treated in any way. However, in general, slate tiles tend to have a relatively high coefficient of friction due to their natural texture and roughness. It is common for slate tiles to have a coefficient of friction ranging from 0.6 to 0.8 or higher. It is recommended to consult with the manufacturer or supplier of the specific Porto Slate tiles you have in mind to get accurate information on their coefficient of friction. They should be able to provide you with detailed technical specifications and test results.
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What is the average hardness of Portugal's Porto Slate?

The average hardness of Portugals Porto Slate is typically around 3.5-4 on the Mohs scale of mineral hardness.
The average hardness of Portugals Porto Slate is typically around 3.5-4 on the Mohs scale of mineral hardness.
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Can Portugal's Porto Slate be used exterior applications in very rainy climates?

Yes, Portugals Porto Slate can be used for exterior applications in very rainy climates. Porto Slate is known for its durability and resistance to water and extreme weather conditions, which makes it ideal for use in rainy and humid environments. However, proper installation and maintenance are essential to ensure its longevity and performance.
Yes, Portugals Porto Slate can be used for exterior applications in very rainy climates. Porto Slate is known for its durability and resistance to water and extreme weather conditions, which makes it ideal for use in rainy and humid environments. However, proper installation and maintenance are essential to ensure its longevity and performance.
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