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Posted: Sun Aug 12, 2012 12:00 am
by Sufyaan
Hello all,
Finally laid the patio. Thanks for all your advice, it was very helpful and worked a treat!
Now I'm looking forward to giving it a good clean 
Bearing in mind that the slabs have been butted together, how soon can I use the jetwash on them?
Also, there is some staining/light smears of sand/cement mix. Whats the best method for removing such marks?
Regards,
Sufyaan
Posted: Wed Aug 15, 2012 9:14 am
by Carberry
What material is your patio made of?
What was it laid on?
Read here about cleaning There are links on that page for dealing with stains too.
Posted: Wed Aug 15, 2012 2:39 pm
by reedy22
We reccomend HG patio cleaner for all stone types, mix 1L with 4L of water, wet paving 1st, srub the cleaner in until it foams, leave for 15 mins then hose of the cleaner. Works very well. Costs around £6 a tub plus postage and covers up to 25sqm per tub. Hope this helps http://uk.hg.eu/index/home they have a huge variety of different product for cleaning etc, would never recommend jet washing any paving
Edited By reedy22 on 1345038106
Posted: Wed Aug 15, 2012 4:09 pm
by RAPressureWashing
"would never recommend jet washing any paving"
And your reason for that comment would be???
Posted: Wed Aug 15, 2012 4:49 pm
by sussex
stange comment re jet washing paving,just finished jet washing path & patio (mainly moss, dirt etc) came up like new ,quick, clean ,cheap.
Posted: Wed Aug 15, 2012 5:41 pm
by London Stone Paving
The reason for that comment is that jet washing stone can potentially erode the surface of natural stone. This has the effect of opening up the pores of the stone and making it more porous, which then makes it more susceptible to getting dirty again quickly.
The above is the text book answer and in an ideal world you would clean natural stone with a broom and hot soapy water. However people are going to use a jetwash because its quicker, easier and delivers a better result. We would just always recommend that people don't use the most powerful setting and also that they don't hold the nozzle to close to the stone
Posted: Wed Aug 15, 2012 8:56 pm
by RAPressureWashing
London Stone Paving wrote:The reason for that comment is that jet washing stone can potentially erode the surface of natural stone. This has the effect of opening up the pores of the stone and making it more porous, which then makes it more susceptible to getting dirty again quickly.
The above is the text book answer and in an ideal world you would clean natural stone with a broom and hot soapy water. However people are going to use a jetwash because its quicker, easier and delivers a better result. We would just always recommend that people don't use the most powerful setting and also that they don't hold the nozzle to close to the stone
Hot soapy water?, will that get rid of Lichen & Algae? I don't think so, will it get rid of mortar staining, rust stains and the like? again I don't think so.
Damage will only be done in the wrong hands.
Posted: Thu Aug 16, 2012 8:53 am
by London Stone Paving
I agree with you Rog, to move some serious staining a jetwash is required. For general, regular maintenance if possible it is better to avoid a jetwash
Posted: Thu Aug 16, 2012 6:29 pm
by Carberry
What's the active ingredient in this product you're trying to flog Reedy?
edit: Guess you're not trying to flog it then. I've not used the product before and I'm curious as you recommend it for all stone types and not to use a pressure washer.
Posted: Thu Aug 16, 2012 7:19 pm
by lutonlagerlout
in fairness to tom AKA reedy ,he works for westminster stone and that was established a while back
i feel that his advice is given from his own experience rather than a sales drive as i have seen HG products in lots of places
there is an element of abrasion to jet washers in the wrong hands and its not uncommon to see numpties blow pointing out with their karchers
be interested to see an independent user report on this stone cleaner
LLL