Quality Assurance
Welsh//Slate manufactures under a Quality Assurance Scheme which complies with BS EN ISO 9001:2000 and in accordance with the above scheme roofing products to comply with BS EN 12326:Part 1:2004.
Welsh//Slate manufactures under a Quality Assurance Scheme which complies with BS EN ISO 9001:2000 and in accordance with the above scheme roofing products to comply with BS EN 12326:Part 1:2004.
