Source: cirosantilli/ciro-santilli-s-hardware/house-2018-01/mould
= Mould
2019-12-26: applied Ronseal mould killer on external north east living room walls, had widespread light brown mould spots, and more localized black mould spots. The water insulation here is bad, possibly due to being on the last floor. Also applied next to window sills on those walls.