no sign of a DPM. lol. I could try sprinkling on extra water to the powdery parts,. perhaps there are areas where we had inconsistent mixes....
Apparantely the "Bostik Cempolay Ultra Strong " self levelling compound is water resistant and overpaintable. Maybe a layer of it on top of my...
No idea how old (nothing on the planning portal), There is only damp around one side wall - a recently blocked up garage door, leading me to...
Apparently the subfloor does get wet along one edge. Rain flows down the drive and hits the garage wall,.. so it's not creeping up from below.
after using BOSTIK cempolay (unfortunately not their "Ultra" or the "latex") self levelling compound: I applied 3 coats of Ronseal diamondhard...