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 Diffused daylight through Kalwall translucent cladding has a calming, 'museum' quality of light, which has a measurable effect on learning and study - as architects and teachers confirm when Kalwall is used in classrooms. Kalwall offers a high level of insulation, which helps to save energy.