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TVCS

  • Posts: 884
Pressure washing.
« on: February 06, 2008, 11:22:51 pm »
Hi , did a pressure washing job today, mostly concrete paths and flag stones.  Got asked for a price for a large area of block paves too.  Gave price and all set to go ahead when the weather pics up later in the year. 

 Now, I have done plenty of block pave cleans before and they all came up like new but this is the worst case of lichen I have ever seen.
 I know for a fact that there will still be some black spots left after I have gone over the blocks.  I dont really want to blast them with a turbo lance and was wondering if there is anything on the market that can be applied before hand to start to break it down a little before I go in with the old pressure washer. 

Thanks in advance for any replies.
ANT
TVCS
Veni, vidi, vino, splatus.

 (I came, I saw, I drank, I fell over...)

trevor perry

  • Posts: 2454
Re: Pressure washing.
« Reply #1 on: February 07, 2008, 03:16:59 pm »
you can apply algon with a watering can a couple of days before you do the job this helps,
better to remain silent and be thought a fool than to speak out and remove any doubt

steve doyle

  • Posts: 287
Re: Pressure washing.
« Reply #2 on: February 07, 2008, 06:14:52 pm »
Little and often seems to be the best way,

http://www.pavingexpert.com/maintain_02.htm#acid

quite a usefull gathering of information,