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 Keim Mineral Paints are now on display in H&R Johnson's Materials Lab; a new showroom for interior architectural surfaces that gives specifiers the opportunity to research materials for use in all types of buildings. The facility includes computers for experimentation with colours and finishes.