DIY GLAZING WALLS
DIY advice needed from builders?
I removed stone cladding from the front of my house. It’s taken a year to get all the adhesive (mortar) off the brickwork but is *finally* reaching the stage where I can think about painting it. Oh happy days!
My question is:
Do I need to treat the brickwork before painting it? I’m aware that brick sealant (the type you can get in B&Q for about £10) can prevent the wall from ‘breathing’ and expelling moisture. My only worry is that these bricks have been chiseled, angle-ground, hammered and scraped to oblivion so have no protective ‘glaze’ left on them. Will exterior paint be enough to protect them from the weather or is it worth coating them in sealant too?
Many thanks
Most brick is not designed to be painted. Painting them would be a last resort. If the surface is friable (powdery or unstable) then use a stabiliser which is a clear solution), if not then paint straight on with a good quality exterior masonry paint. If your bricks have been damaged then you probably need to do something and one option to consider would be rendering them prior to painting).
(sealant, stabiliser, paint – all kill the breathability of the brick, but should also stop them getting wet in the first place – that’s probably why it is not regarded as good practice – although I must admit I’d do anything to get rid of cladding too.
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