It's that time of the year again! It's not a fun job using a pressure washer with the standard wand; are these specialist patio cleaning heads worth the money? If so, are they interchangeable or do I need to buy a PPro head for a PPro pressure washer?
Dave
Its the chemicals that are supposed to do the work. Shady areas get dark with mold, laundry Bleach kills mold, on wood Oxalic acid is a good cleaner. Pour on some laundry bleach to see what you are dealing with first. I would worry about your pressure washer last.
yes
Most stuff seems to use Karcher style fittings (accessories and washers), so they ought to fit.
I did the job three weeks ago. I've never used chemicals, I find the pressure washer alone is fine. I did have a patio-cleaning head, but I found it better just to use the lance with a fan-shaped spray which has more focused grime-shifting power. If you're careful about where you point it as you approach walls etc you can quite easily avoid splashback - it's a bit like cutting in when you're painting.
If you have tree stains and mold from shade a power washer wont get it clean, and ive been doing this 25 years at many locations.
30 years of selling pressure washers and I've never found a patio I couldn't clean. ISTR you are of the American persuasion?
The dopey US electrical system won't allow you to run a decent electric power washer, wheras we can run 150 bar at 8 lm easily. Unless you use a petrol machine you aren't going to clean anything.
Laundry bleach also kills nearby plants :-)
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