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Blast Away

Anyone ever dealt with...
« on: August 25, 2011, 08:11:24 pm »
...brick cleaning (mortar stain) in an atrium which really should have been done months earlier before internal windows, glass roof, fittings, electrics, floors tiles and plastered walls etc had been put in?

Spent half an hour today sponging acid onto the brickwork in front of the site managers. They're not happy that the brickies never got anyone in 3 months ago, now it seems it's too late. The walls we've done come back cloudy once dry, slightly better but a nightmare.
We're cleaning all the external by acid and jet washing. Obviously jet washing can't be done inside in the current situation of the build which is supposed to be handed over end of next week. Which with the current groundwork is looking impossible.

mike roberts

Re: Anyone ever dealt with...
« Reply #1 on: August 25, 2011, 08:27:16 pm »
Bloody nightmare!

Paint over it  ;D ;D.... thinking aload.. didnt omni pole preview a graffiti removal tool using the pressure jet system... not sure if it could be used  to remove mortar???

Matt Gibson

  • Posts: 2482
Re: Anyone ever dealt with...
« Reply #2 on: August 25, 2011, 08:46:56 pm »
Lee,

Couldnt you use a vac system after to acid?

Like that wall cleaner youve got, with the vac port, spray the acid on, then hook up your wetvac to your wall cleaner, and go for it. that way you get the acid doing its job, and can use pressure but still contain it.

why you sponging it on anyway?

Alan McTernan

  • Posts: 574
Re: Anyone ever dealt with...
« Reply #3 on: August 25, 2011, 09:35:10 pm »
Lee,

I went to look at a job like that today, they have bricks on the inside in a hallway that they need cleaned before hand over (they have got carpet on the floor as well) ::)

So will be interested in the replies ;)

What about a wall floater/steamer with a vac system attached?


Blast Away

Re: Anyone ever dealt with...
« Reply #4 on: August 25, 2011, 09:39:57 pm »
Lee,

Couldnt you use a vac system after to acid?

Like that wall cleaner youve got, with the vac port, spray the acid on, then hook up your wetvac to your wall cleaner, and go for it. that way you get the acid doing its job, and can use pressure but still contain it.

why you sponging it on anyway?


They don't want the acid on the tiles. Besides if acid or water was to be applied as we normally would with external it would be running down the back of all the lights and sockets that are now fitted.

I won't be sponging it mate, was just to show them. They can find someone else with time on their hands to pi$$ about with it. I've already had to shift jobs to fit them in. They'll be panicking about next week when I tell them we can't fit them in as we're booked up with straight forward work.

Blast Away

Re: Anyone ever dealt with...
« Reply #5 on: August 25, 2011, 09:52:59 pm »
Lee,

I went to look at a job like that today, they have bricks on the inside in a hallway that they need cleaned before hand over (they have got carpet on the floor as well) ::)

So will be interested in the replies ;)

What about a wall floater/steamer with a vac system attached?



When I went looking at the job it was agreed with the brickies who we're working for that we jet wash and vac up. There's no drainage. The wet vac we've got has a submersible pump in and the plan was to continuously pump out through lay flat hose. Now the job has progressed to the point where the electrics are live and the tiles have just been sanded and partially lacquered.
The height of the atrium is about 8 meters.

Not got a vac port on our mossy.

Jamie Pearson

  • Posts: 3407
Re: Anyone ever dealt with...
« Reply #6 on: August 25, 2011, 10:07:35 pm »
How about bonaclean gel from Bonasystems. It's used to remove limescale from tiled Walls. This could be rinsed with and SX-7 Hydroforce tool and a wet vac.

Matt Gibson

  • Posts: 2482
Re: Anyone ever dealt with...
« Reply #7 on: August 25, 2011, 10:15:09 pm »
tell em to jam it then and go out and make easier money... ;D

KLEENAWAY

  • Posts: 891
Re: Anyone ever dealt with...
« Reply #8 on: August 26, 2011, 12:44:57 am »
Im by no mean an expert on this but you/some one else use acid and then re-tint the brick http://www.dyebrick.com/   ???
Please let me know if im a million miles away

Danny