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 The G-span structural glazing system can create glass designs in any plane from vertical to horizontal, in single- or doubleskin, toughened or laminated glass. Used with G-span frameless glass door system, complete facades can be made.