take the screw out of your handles and they will just slide off,check to see if the spindle has snapped,if it hasnt then you need a lockstrip,you will need to know what lockstrip is in your door so you can order 1 before getting door open as you will have a door that wont lock,or call a double glazing engineer or locksmith to sort for you,hope this helps
shaun www.sdwupvcrepair.co.uk
January 2009
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