uPVC Patio Doors.
Our high-quality uPVC sliding patio doors, combined with Low-e and our thermally efficient double-glazed A-rated glass, offer homeowners across Northern Ireland with an energy-efficient patio solution. At Designer Door Company, we use only the best quality frames, hardware and the highest security locking systems in our sliding glass doors, and we offer a full 10-year guarantee.
uPVC material can be an affordable alternative to aluminium sliding patio doors, so whether you are on a tighter budget or you simply prefer uPVC, these flawless, robust doors will make beautiful light-filling additions to conservatories, sunrooms, rooms and patio areas.
Our stylish sliding patio door range is tested to the highest standards, offering you complete peace of mind to get on with what you do best. Our doors are perfect for busy lives because they are practically maintenance-free and will never rot, rust or flake, and come double glazed with high-security locking systems as standard.