Powerwashing (with foam?)

Hey
My husband likes gadgets and bought a powerwasher
- if I used that to wash my 5 would it damage the paintwork?
I think he's also planning to get a foam 'thingie' for it too, any comments on using one of these? (my driveway is going to look like a foam party, WooHoo everyone invited!!
)
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My husband likes gadgets and bought a powerwasher

I think he's also planning to get a foam 'thingie' for it too, any comments on using one of these? (my driveway is going to look like a foam party, WooHoo everyone invited!!

Sent from my HTC Desire using Tapatalk