| Welsh Slate | Spanish Slate | Chinese Slate – CURRENTLY NOT AVAILABLE |
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| Welsh slate was formed in the Cambrian era around 600 million years ago | Spanish slate is quarried from the Galicia and Castille De Leon region and is are around 200 million years old | The Chinese slate used by Nulok is a finely grained version from the Lushan Mountains
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| Welsh slate is a heather blue/purple colour, something totally unique to the area | Spanish slate unlike its Welsh counterpart is black in colour ideally suited for a roof contrast | Chinese slate comes in many colours, Nulok use a grey variety providing a choice to the others available |
| Bangor Blue slate from Wales is the most expensive slate product in the world | Spanish Slate is less expensive than Welsh slate, reflecting a more cost efficient extraction technique
| Chinese slate is the lowest cost of the three slate roofing products in Australia |
| Welsh slate is better suited to a harsh, cold windy climate | Spanish Slate can be installed in any weather conditions from extreme heat to cold er temperatures | Chinese Slate is mined in many parts of China and can be used in most areas |
| Welsh slate is extremely pure and free from damaging minerals or pyrites | The Spanish Slate used in our roofing is free from damaging minerals or pyrites.
| Chinese slate contains pyrites adding to the characteristics of the slate
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