Doors Explore our range of triple glazed doors. UPVC DoorsExplore the latest range of high quality Sureglaze uPVC Doors. Composite DoorsImprove your home with Sureglaze Composite Doors. Bi-Folding DoorsWant modern alternative for your home? Try Bi-Folding Doors. French DoorsExplore the Sureglaze range of high quality French Doors. Stable DoorsA popular choice in rural properties throughout the UK are our Stable Doors. Patio DoorsImprove your home with our stunning Patio Doors.