When comes to protecting wall and wood railing during carpet cleaning stairs cases, it can be hard unless you have the right tool for the job.  Here we are use what is called Huggie it wraps around the banister to help protect the wood and wall

Protecting Wood Floors when Cleaning Stairs

Here is one of our entry mat being used to protect the wood floor. Keep water off the floor,  we also use it when doing tile help with any slip and fall if tile get wet

Here we have blue tape down the inside of the wood. This help protect the wood floor and railing on a spiral staircase