Thank you... I just thought it was worth a mention as Jamie B had only said 'dark patches' doesnt paint a very clear pic in my mind. I was only asking if ther was 'Any chance of efflorescence'. :smilewinkgrin:
Thank you... I just thought it was worth a mention as Jamie B had only said 'dark patches' doesnt paint a very clear pic in my mind. I was only asking if ther was 'Any chance of efflorescence'. :smilewinkgrin:
just the odd 3-4cm sized darker patches in the grout in random areas of the floor..no specific concentration anywhere, the substrate was a new screed which had been fully cured.