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Jun 8, 2023 at 14:24 comment added RMDman So, yes, the subfloor was not prepped properly and needs to be filled and leveled.
Jun 8, 2023 at 14:00 comment added GogTheGuilder RMDman thanks. In my case it has been 3 months since install, so I was expecting it to be relaxed by now. @Huesmann yes "crackling" is the proper the word I was needing.
Jun 8, 2023 at 12:34 comment added Huesmann So "crackling" not "cracking."
Jun 8, 2023 at 11:28 history edited RMDman CC BY-SA 4.0
Edit addresses OPs concern of noise when walking on the floor.
Jun 8, 2023 at 11:28 comment added RMDman @GogTheGuilder, see the edit of my answer.
Jun 8, 2023 at 4:21 comment added GogTheGuilder @RMDman "LVP is very forgiving to floors that are not perfectly smooth." Should I infer from that that the "thunking" noises when stepping onto a larger shallow area is not concerning?
Jun 8, 2023 at 4:19 comment added GogTheGuilder @RMDman based on your info about thermal stability, I now suspect that "cracking" noises are breaks in the thick parts of the tiles, and "clicking" may be breaks in the interlocking tabs (which aren't long enough to visually show a separation.)
Jun 8, 2023 at 4:09 comment added GogTheGuilder @RMDman I should clarify: I said "cracking" to denote a sound, not "cracked" to denote visual breakage. (Breakage is apparently below the finish layer.) No seams have visually separated anywhere. I inspected the job over the 3 days, and in the areas where I saw bare foundation were very clean. What I did see in one room were divots, and -- big surprise -- that's where most of the trouble areas are. There are no crunching noises that would indicate loose debris. Just cracking, clicking, and thunking as described. All 3 noises seem it indicate low spots of one degree or another.
Jun 8, 2023 at 2:35 comment added Mazura "3/16th inch variance in the subfloor over any diameter of 10 feet, the installer says that's an unreasonable criteria" - yeah, if you're not going to re-float the floor, GFL. Hope they don't do large format tile. That's one sixteenth, throughout. Which I thought was unreasonable, until I did LFT on a fresh pour done by consummate professionals; one spot had a dip so it needed more back butter. Otherwise it was optically freaking flat. If a dude didn't come back an hour after the pour and float their ass off sweating balls having like 15m left to do it=garbage. Any less an hour is too soon
Jun 8, 2023 at 1:41 history answered RMDman CC BY-SA 4.0