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Firmfix offer an extensive range of double glazed doors
British Standards : Peace of Mind
At Firmfix all of our double glazed doors go through several rigorous tests at our local Tewkesbury depot, and are made and fitted to British Standards. Firmfix is regularly inspected by the BSI for the fitting and manufacture of our Double Glazed windows and doors. Our products are also stringently tested every year at the BSI testing site to ensure conformity. So by choosing Firmfix you can be sure of a High quality product that is fitted correctly by trained fitters every time.
Majorly tested at the BSi testing site, our residential PVCu doors have successfully passed weather, endurance and security testing. Quality doors, built to last… Find out more>
Firmfix French doors give you the opportunity to open up a living space giving you maximum opening with our slim-line systems… Find out more>
Bring the outside in with Firmfix bi-fold doors. Our new folding, sliding doors are the perfect way to enhance any living space… Find out more>