Bannon Posted September 9, 2005 Share Posted September 9, 2005 I am halfway through re-pointing a chalk block wall.... the worst job was having to hack off all the old remaining rendering and scrape out the joints. My question is: Giving that the original rendering was there to protect the blocks, do I now need to seal it with something.... and what? At 'home' there was a product called I think 'Thompson's Sealer' that you sprayed onto brickwork and the like - but what do I look out for over here?Thanks guys. Link to comment Share on other sites More sharing options...
Hindhaugh Posted September 10, 2005 Share Posted September 10, 2005 The important thing is to allow the walls to breath. I have a big end wall on my cottage and its facing north so receives a lot of rain over the winter. Prior to painting recently I gave it a treatment with 'Thompsons' water seal and it appears to be doing a good job. Thompsons continues to allow the wall to breath , but cannot say I have seen anything in France. My end wall took 7 5 litre tins. Link to comment Share on other sites More sharing options...
Bannon Posted September 11, 2005 Author Share Posted September 11, 2005 Good point about allowing the wall to breathe.... I'd not thought of that. I'm back to the UK in October so I'll pick up a couple of tins of Thomspon's then. Thanks. Link to comment Share on other sites More sharing options...
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