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But the most important thing is that our decks fit the way our clients want to live. You name it we’ve built every size, shape and color deck you can imagine. Slates of other colors different from those we’ve mentioned here are called freaks! Not only they are rare, but it’s also even rarer to find them thinner than ¼”, which makes them usually not suitable for roofing applications.ĭid you find the right slate color for your roofing or paving tiles? We hope you have, if you’re living in Florida you can consult Eagle Stones to find out which slate varieties are available for your project.What does your dream deck look like? Archadeck of Columbus has been building decks in our area for more than a dozen years. Unfading Red Slates are a very beautiful slate variety that can only be found in Washington County, New York. Quarries from this estate also offer interesting unfading options like unfading Pennsylvania gray and unfading Pennsylvania black.īlue-Black Pennsylvania varieties are also interesting due to the fact that they get darker with sun exposure.
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This variety is also called Pennsylvania black. Pennsylvania blue-gray is possibly the best-known option from this selection. Slate from this location is lower in lime content and is available in both fading and non-fading varieties. Vermont Slate is offered in many colors such as grey, black, grey and green, and green and purple. It adds a luster of attractive lights and shadows on roofs. Presenting an interesting classic color, this slate variety is tough, durable and definitely a top-quality material. Let’s talk about some common slate color varieties, we’re sure this will help you decide what you want for your roofing or flooring application. Since the location of the quarry is very relevant for understanding the quality of the slate variety, slate colors are often also preceded by the name of the city they come from. It’s important that you understand that some slate tiles will always weather, what changes from variety to variety is the percentage of how many of them are likely to weather. Non-weathering slate varieties will hardly change color.Semi-weathering varieties may or may not weather, so you can expect roofing made of this type of slates to present a non-uniform appearance.Weathering slate varieties will most likely change color.This oxidation, however, doesn’t affect the structural integrity nor the life expectancy of a slate tile.īased on the degree of color change over time we can classify colored slates into three groups: This causes the color of the tile to change over time, often towards buff, brown, gray or tan tones. However, it may weather with time due to the oxidation of it’s embedded minerals. Now here’s an interesting thing to mention. You can expect unfading varieties to present a greater life expectancy.
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Unfading slate tiles do not produce the chalk-ashen residue, even after prolonged outdoor exposure.
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This chemical is the result of a chemical reaction associated with the release of calcium from the material, which weakens its integrity and reduces its life expectancy. The term fading refers to slates that after prolonged outdoor exposure exhibit a chalk-ashen residue. So it’s important for us to find out what they mean, especially because people tend to misunderstand these characteristics a lot, while they mean completely different things. You will notice slate color varieties are often preceded by the terms: fading, unfading, weathering, and non-weathering. Great strength and imperviousness make slate one of the most durable and versatile materials available. The mineral composition of slate varies significantly from place to place, however, the primary constituents of all varieties are white and black mica.ĭue to its characteristics, it can be split into smooth sheets. It’s a stone of great structural integrity and beauty and according to the National Slate Association, it has an indefinite life, possibly lasting for more than 300 years. “Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism.”