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 CA Building Products has unveiled the latest products in its revolutionary industrial gutter range - the Therma-Gutter TE and the Therma-Gutter TE-RF. Unlike conventional industrial gutters, notches are cut out from the gutter flange to dramatically reduce heat conduction from the building interior to the gutter.