Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 Surface coatings specialist Sikkens has recently launched the international 4041 Colour Concept in the UK, providing architects and interior designers with a choice of up to 1,624 colours. Sikkens is offering specifiers and interior designers a free taster of one set of 10 of the new colour collections.