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    Is this correct? Concrete on exposed porous internal brickwork

    Hi, the chimney stack was flaunched and now 2 chimneys with cowls reinstated. Had been closed of for 20 years. Builder said dpc had been damaged I think. Looked like salts to me having researched. But he didn’t put any salt neutraliser into render
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    Is this correct? Concrete on exposed porous internal brickwork

    Hi everyone. We have had a damp patch that always has appeared after doing a bit of DIY on it and repainting it , it forms in a shape from floor up to just about a quarter of the way. We finally decided to get this builder round as he would treat the damp with a special compound and inject it...
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