Alan wrote:
In message , The Medway Handyman
wrote

I does, but not as much as a silicone srpay.

White Lithium Grease? Bit OTT for a curtain track I would have thought?


You don't want anything that stays wet as it will soon be sticky dust
trap.

quite, I'd give grease a miss. Not only will it get dirty, but the mix
of grease and dirt will cause more friction than having nothing up
there.


NT