Discuss Efflorescence or Sealant problem on Indian Sandstone in the Tile Cleaning and Restoration Forum area at TilersForums.com

M

mike1979

Try some xylene or thinners xylene is used on patteren imprinted concrete to take away white patches in situations where sealer has been applied to a slightly damp area or if it rained after sealing it might be moisture trust me give it a try xylene is what really is needed you can get it on the web but try some thinners brush it quite hard and use a healthy amount it melts and heats the sealer a bit give it a go
 
A

adam72

OK Mike cheers, do I apply this neat? do I just apply and let is soak in or wash it off after so many minutes? Cheers
 
M

mike1979

Yes do it neat if it's acrylic sealer you used this should work don't wash it down it needs 24 hrs of dry weather on it otherwise it will go white
 
W

White Room

Try some xylene or thinners xylene is used on patteren imprinted concrete to take away white patches in situations where sealer has been applied to a slightly damp area or if it rained after sealing it might be moisture trust me give it a try xylene is what really is needed you can get it on the web but try some thinners brush it quite hard and use a healthy amount it melts and heats the sealer a bit give it a go

Used plenty of that when doing printed concrete....
 
A

adam72

Yes I was concerned as there seems to be two camps seal straight away or leave a couple of months and then seal to allow for any efflorescence. In fact that slab has now gone back to the first picture so less milky and just patchy gain after some rain.


I now I have another LTP product sent tome to try power stripper to remove the sealant.
 
N

Nick Nicolaou

Just seen the 7year old string on Adam 72’s patio. What was the outcome ? we have the same on our 2 month old patio - thought it was frost
 
B

benchwarmer

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You need to strip off any existing sealers,
With the right products as different products can react to each other, also,
You're going to need some steady summer weather for the sealers to work properly! No sealers will properly work when applied over winter months.
Try smartseal, they have lots of products for lots of surfaces and their helpline are properly helpful 👌
 

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