Interesting point - the builder left the bags outside for 2 days when temperatures were about 10 degrees. I got tired of him waiting and then moved the entire pallet inside.
An update on this. I spoke with the manufacturer for the latex floor leveller and they advised me that the smell was due to the floor being unsealed. They then recommended I use a primer/sealer of theirs over the top to seal the floor. This mostly resolved the issue.
I now need help with another problem. I keep noticing the edges of the floor where it meets an external wall keep appearing damp. I took a few moisture meter readings and it's showing 20-30% on these edge areas. I ran a dehumidifier in the room for a few days and it completely cleared up but then yesterday while it was off, some moisture seems to have returned.
The floor is due to be tiled this week as we finally move forward with getting the kitchen in but I am hugely concerned about these wet edges. I was thinking of going over the top with Sika Liquid DPM (damp proof membrane) but is anybody familiar with this or whether it would be suitable here?
As to the cause, the damp proof membrane is about 1-2 inches BELOW the patio outside so my I am thinking that my problem is external rather than internal but wanted some extra thoughts on this.
There is actually a gulley in that corner, below patio level. I found this buried below a patio tile a few weeks ago and a drain company came out to unblock it and raise the cover (per picture). The gulley is for rain water from a gutter only.
I spoke to them again on Friday and they suggested potentially removing this all together and redirecting the gutter to a soak away 5+ metres away from the wall.
In addition, the patio is higher than the damp course by about 2 inches so I know I need to get this dropped.
But wondering if there is anything else internally I should be doing? (The walls were damp proofed in October with DPC injection and brand new render).
I wonder if the down pipe is bodged into the inspection chamber, if it's leaking this could be the source of your damp.
Think doing away with that would be good in the long term.
High patio will also not help.
As for inside, generally, walls should have a little gap, so they don't touch the floor and transmit any damp up the wall from the floor.
As mentioned earlier the floor could do with chopping back from the wall, but this is not that easy now.
Perhaps sorting the outside might sort it.
I'm not a fan or liquid DPC's so can't advise but I'm sure someone will.
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