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Double Glazing Locks Repair When a double glazing window doesn't close, it creates draughts and allows heat to escape. It also weakens your home security barriers and exposes you to burglary. Over time, double-glazed window hinges as well as seals, handles and handles may become damaged. If this is the case it can affect how your windows function and void any warranty you have. The locks are not working properly While many people are careful when installing anti-burglar security systems for their gat