Recent content by dmcskippy

Thanks, but there are a couple more black areas of mortar and none of them have any water pipes behind them so I can't think of where water would be coming from if it was a leak. Also when the wall is wet after rain the black areas are still much much darker than the rest of the mortar. The...

The first photo is of the wall of the extension that has no discolouration at all, black, green or white salt, to the mortar or brick, this is how it should be. The next photo is of the other extension, same brick/mortar, showing the mortar going black with some white what I believe to...

Hi, I'll see what I can do, thanks.

Hello Approx five months ago I had two single storey extensions built and a seperate small retaining wall in the garden, double skin. I have noticed that there are a couple of patches of mortar that have turned almost black, I would say the patches are about 3 bricks by 3 bricks but only...