Nowack Posted July 25, 2020 Share Posted July 25, 2020 A note of caution when cleaning brickwork. When a brick bakes in an oven if is similar to bread in that it has a crust or outer layer. Highly corrosive products can strip this layer leaving the soft underside which looks nice and clean but is also highly friable and will degrade over the years. Also be wary of older lime mortars which can be damaged and finally do not replace them with cement mortars as they will cause all kinds of problems. Quote Link to comment Share on other sites More sharing options...
gazza Posted July 25, 2020 Share Posted July 25, 2020 Why don't you cover it with Plastic Cladding ? Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 25, 2020 Author Share Posted July 25, 2020 Might give the battery acid a go and be careful Bought a heat gun to strip some gloss paint indoors. Tried that. Useless Quote Link to comment Share on other sites More sharing options...
Nowack Posted July 25, 2020 Share Posted July 25, 2020 9 minutes ago, MancWanderer said: Might give the battery acid a go and be careful Bought a heat gun to strip some gloss paint indoors. Tried that. Useless I think that is the last thing you should try. Did you say you had tried the adhesive remover and it didn't work? The solution is to find out which solvent works on the mastic and use that, it could be something as simple as petroleum jelly. Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 25, 2020 Author Share Posted July 25, 2020 3 hours ago, Nowack said: I think that is the last thing you should try. Did you say you had tried the adhesive remover and it didn't work? The solution is to find out which solvent works on the mastic and use that, it could be something as simple as petroleum jelly. Fair point. I’ll do a bit more looking Quote Link to comment Share on other sites More sharing options...
Moderators Casino Posted July 25, 2020 Moderators Share Posted July 25, 2020 Plenty vids on YouTube From steel brush to wd40 Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 25, 2020 Author Share Posted July 25, 2020 2 hours ago, Casino said: Plenty vids on YouTube From steel brush to wd40 Yep. Been there WD40 leaves a stain Wire brush - all it did was leave scratch marks on the bricks Vinegar doesn’t work. Heating it doesn’t work. Getting pissed off with it Quote Link to comment Share on other sites More sharing options...
Site Supporter Tonge moor green jacket Posted July 26, 2020 Site Supporter Share Posted July 26, 2020 20 hours ago, MancWanderer said: Yep. Been there WD40 leaves a stain Wire brush - all it did was leave scratch marks on the bricks Vinegar doesn’t work. Heating it doesn’t work. Getting pissed off with it Replace the bricks? Might be quicker. Quote Link to comment Share on other sites More sharing options...
e2e4 Posted July 26, 2020 Share Posted July 26, 2020 (edited) a lot of these silicone removers are terpene based gels. thats kinda what turps is made from heres one thats about 8 quid hmm, heres the book , sez its not great on porous surfaces , but what can you do.. once it soaks in , you might be able to peel it away.. probably better than cheapo WD40 hacks and other workarounds. Edited July 26, 2020 by e2e4 typo Quote Link to comment Share on other sites More sharing options...
leigh white Posted July 26, 2020 Share Posted July 26, 2020 Try getting mastic foam off your hands when fitting a window. Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 26, 2020 Author Share Posted July 26, 2020 5 hours ago, Tonge moor green jacket said: Replace the bricks? Might be quicker. Not an option mate. Don’t know if you remember the front of my house when you kindly dropped that lawnmower off but it’s not workable I’m afraid Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 26, 2020 Author Share Posted July 26, 2020 1 hour ago, e2e4 said: a lot of these silicone removers are terpene based gels. thats kinda what turps is made from heres one thats about 8 quid hmm, heres the book , sez its not great on porous surfaces , but what can you do.. once it soaks in , you might be able to peel it away.. probably better than cheapo WD40 hacks and other workarounds. Yeah cheers for that. Problem is the bricks just soak it up. Went to toolstation and they just shrugged their shoulders Quote Link to comment Share on other sites More sharing options...
Site Supporter superjohnmcginlay Posted July 27, 2020 Site Supporter Share Posted July 27, 2020 (edited) Our masons use a poultice which you paint on and peel off after 24 hours, these are two companies which have it, they will advise which is best if you contact them, as they all have variations, but one should help hopefully, they may send a sample out which may be enough to use for you, otherwise only solution off top off my head which I thinks been mentioned is blowtorch It off or brick acid? You can get a doff or torc machine and blast it off using hot water but that’s very extreme and industrial and expensive! https://www.restorative-products.com/products/ready-mixed-poultices https://stonehealth.com/product/clean-film-latex-cleaning-paste/ Edited July 27, 2020 by superjohnmcginlay Quote Link to comment Share on other sites More sharing options...
MancWanderer Posted July 27, 2020 Author Share Posted July 27, 2020 Cheers I’ll give them a call Quote Link to comment Share on other sites More sharing options...
Site Supporter MickyD Posted July 27, 2020 Site Supporter Share Posted July 27, 2020 13 hours ago, leigh white said: Try getting mastic foam off your hands when fitting a window. Piece of piss. You just wipe them on your clothes. You can spot a window fitter a mile off in Asdas or Lidls . Other supermarkets are available but make sure they end with an S. Quote Link to comment Share on other sites More sharing options...
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