How to Replace UPVC Door Rubber Gaskets (Step-By-Step Tutorial)

If your UPVC door is draughty, leaking, or not sealing properly, replacing the rubber gasket is one of the quickest ways to fix the problem. In this video, I show you step by step how to remove old worn gaskets and install brand new seals on a UPVC back door. This is a simple DIY job that can make a huge difference to your home's warmth and energy efficiency — and you don’t need any special tools. 🔧 In This Video You’ll See: How to remove old UPVC door rubber seals How to measure and trim new gasket correctly The right way to push the gasket into the groove What to check if the door still isn’t sealing properly Pro tips from a window and door installer 🪟 Why Replace UPVC Door Gaskets? Stops cold drafts Reduces heat loss Helps prevent leaks & water ingress Improves door insulation and comfort Simple and affordable DIY repair 📍 About Bristol Windows and Doors I’m Matthew from Bristol Windows and Doors, and I install and repair UPVC, aluminium, and composite windows and doors across Bristol and the surrounding areas. If you need help with repairs or replacements, feel free to get in touch: 📞 07400 466 844 ☎️ 0117 9922091 📧 [email protected] 🌍 www.BristolWindowsAndDoors.com Video edited by Jacob Jenkins