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Double Glazing Locks Repair If a double-glazed window won't close it creates draughts and allows heat to escape. This also reduces the security of your home and puts you at greater risk of burglary. Over time, double glazed window hinges, handles and seals can be damaged. If this is the case, it can affect how your windows function and invalidate any warranty you have. Faulty locks While a lot of people take great care in installing anti-burglar systems for their gates and doors, it is often overlooked th