“Alternative to timber” uPVC windows are uPVC windows designed to look like traditional timber (wood) windows, but with the performance and low maintenance benefits of modern materials. What it means Instead of using real wood, these windows use uPVC profiles that are: ✅ Shaped and finished to resemble timber ✅ Often offered in woodgrain foil colours (e.g., oak, mahogany) ✅ Styled in traditional window designs (like timber casement, vertical sliders, Georgian bars / astragal