[D W]

Hi everyone,
I am in the process of starting a pressure washing business - my first job is to learn the processes involved with cleaning different surfaces. I have watched 100's of hours of youtube vids and having read the forums it's clear not everyone follows the same processes.
I am going to start cleaning my own property and have a few friends properties I can also practice on.
My house has a few different surfaces to clean (see photo's below) so i thought i would write out a simple step by step guide to cleaning each one - I would really value & appreciate anyone's input.....here is what I have so far....



Block paving -
Clear surface of loose debris
rinse with pressure wash (optional)
lance & "cut in" edges
clean surface with FSC
Treat with SHypo (if necessary for lichen etc)
Final rinse & clean up
Re-visit 2+ days of dry weather to re-sand

Indian stone paving with resin pointing (a small area of the pointing has come loose)
Same process as block paving - lower pressure especially over pointing

Natural stone walling
Help needed here - From what I have read it would be best to use hot water pressure washing for this (I only have a cold water pressure washer for now). Would SH and lower pressure cold water do the job so as not to damage the stone? I'm guessing just blasting it as hard as I can with cold water could damage the stone?

Render
Rinse (from bottom)
Apply SH or a specialist render product (advice?), leave to soak or brush in depending on instructions,
Rinse off (from top)

Wood sleeper walls & decking*
low pressure rinse
Cut in edges with lance and low pressure*
Clean with FSC*
apply SH(does this work on wood I have read mixed reviews) or specialist wood cleaning product (advice?)
Rinse down & clean up

On all of the above I was considering offering an optional preventative anti fungal treatment to stop re growth but from what i have read this would be largely ineffective and would maybe just lead to disappointed customers.

Ok, sorry for the long post - thanks if you have got this far and thanks in advance if you take the time to reply I genuinely appreciate your time & help.  When I get the processes typed up I can make them available to share for others who may benefit.
Thanks again,
Des

[Mike Halliday]

Not much wrong with your intended procedures , really just set up your kit and practice, even try and do it wrong.  As it’s your property I would try an damage different surfaces  try different tools and see what happens. It’s  is about making mistakes and learning from your mistakes

[D W]

Thanks Mike I will - good advice. I will post some after photo's. How about the SH on wood is that something you do?

[Mike Halliday]

I have used hypo on decking, it is something frowned upon by the experts and I wouldn’t use it on exspensive hardwood  but for general decking it does clean and lighten it, I always say it prepares the wood for further staining or treatment