Sticking sliding patio door

pollysg

I have a 30 year old metal sliding patio door between house and conservatory that has become harder and harder to open. I have vacuumed the track as best I can; is there anything I can use to lubricate the track? Thanks in advance.

gamston

I clean and lubricate the track on my upvc with wd40,
could it be the wheels have finally given up on your sliding door ?

PasturesNew

This happened to my dad's. He got a little man in to fix it and the rollers/bearings needed replacing. It was "cheap" (can't remember how much) ... as a pure guess I'd put the price at £40-60, which is cheaper than a whole new door.

Browntoa

As above , it will be the rollers

https://www.handlesandhinges.co.uk/wheels-and-sliders-for-patio-doors/

pollysg

Looking at these replies the most likely thing seems to me to be the rollers. It ‘sounds’ ropey when I slide it. I did think about WD40, but the tracking at the bottom includes some sort of fibres, presumably as a draught protector.

Thank you all, I have to get someone in to replace the lock anyway. So hopefully the same ‘little man’ can do both!