Derby Diamond Hardwood The Derby Diamond is a great addition to our hardwood triple glazed range. Sizes available: 30 x 78, 33 x 78, 34 x 82, 36 x 84 Enquiries & Orders For prices and delivery contact us by phone or send us a message: Call: 01302 788039 Send us a message We offer a reliable & professional service for domestic & trade customers, delivery throughout the UK. × Contact us The External Derby Diamond features: Authentic Triple glazing Extra large sizes available Well made heavy door The Derby Diamond is a great addition to our hardwood triple glazed range. Sizes available: 30 x 78, 33 x 78, 34 x 82, 36 x 84 The External Derby Diamond features: Authentic Triple glazing Extra large sizes available Well made heavy door Enquiries & Orders For prices and delivery contact us by phone or send us a message: Call: 01302 788039 Send us a message We offer a reliable & professional service for domestic & trade customers, delivery throughout the UK. × Contact us