As it’s at the bi fold doors it could be some moisture getting into the jumpax which will rot it.
You should be able to see it around the wall if no skirts are on.
Did you mix it with water
How old is the garage floor? Does it have a visqueen Dpm sheet under the concrete ?
I treated myself with the lockdown money.
Use plumbers mate
Who has them? What have you got ? Just got myself the Milwaukee packout system. It’s great. All on a strong trolly. Amazing what you can add to...
Air flow
We always give them 2 days anyway mate
I have with a few gypsum about 10mm and it’s been ok.
Hi Steve. welcome to the forum mate. What do you mostly fit mate ? Your own work or sub out ?
Sounds like a good plan mate. Just Dpm over the Ashpalt approx a meter
Yeah , 6mm FG1 or SP101 plywood then either feather finish or a fibre smoothing compound.
For me. Over the chipboard 6mm plywood or 9mm but has to be SP101 or FG1 then a fibre smoothing compound like Uzin NC196 or Ardex FA10
If laying vinyl you would need flat floorboards so plywood over the top would be best then a screeding compound on the concrete. But if cheap...
Then use carpet
Get a couple of headlam accounts. Alvin Morris , LGS prob good for you. You want 3 of them if you can. Then you get price lists off em all.
Does it sound hollow when you tap it. Does sound like it’s blown. What Dpm did he use ?
Did he plywood the floor then prime it ? Sis he use a screeding compound over the plywood.?
Send it to spotnailers for a service.