Having just moved into a house, I find the sliding aluminium patio doors
> have only a basic lock on them.
> I bought a couple of Yale multi-purpose door bolts from B&Q. I fitted one,
> but it would not fit securely to the sliding door - it came with two
> unremovable screws but I guess because the door is not solid, but hollow,
> they would not screw right in, and the lock flopped about stupidly. I
> managed to get the screws out again, but the instructions don't seem to
> recognise that an aluminium door is hollow.
> Do I need different locks?
> Any advice would be much appreciated.
> Thanks
> Mike
>
>