I can only speak from my ACE experience with removing the surface mount table leg trip hazards and installing recessed table leg holders in my floor.
I did not go all the way through the floor.
I had:
Vinyl flooring
1/2 to 3/4 subfloor wood
Steel metal channels about 2&1/2" wide by 1&1/2" deep (as I recall). They looked like boxed u-channels welded together.
So coming from the bottom you may be hitting the steel channels; not aluminum.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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