This is a video on how to clean a telescopic ladder. The brand of ladder I use is an Xtend + Climb Pro Series 785P+.

Xtend + Climb: https://xtendandclimb.com/
3M Dry Silicone Spray: https://www.3m.com/3M/en_US/p/d/b4900...
Pledge Wipes: https://www.pledge.com/en-us/products...
Telescopic Ladder Review: https://roofinginsights.com/best-tele...