BCF has a massive range of accessories, so whatever you might need you're sure to find it. Selleys Ezy Glide is a dry lubricant that contains PTFE to leave any surface it's sprayed on slippery-slick. Long-lasting and drying clear means that it will not attract dust or dirt, and being non-oily means it will stop sticking and squeaking without the hassle of residue.
Dry non-oily lubricant
Ideal for unsticking windows, doors etc.