The secret is to use thick plywood. This particle board stuff sucks. One spilled soda and it rots and disintegrates.
2026-03-09 14:33:59
5
Stuxn3t :
I did this under the concrete slab and he’s right makes it solid!
2026-03-07 15:32:58
1
snoutanabout :
I would think that would be uneven all over the place.
2026-03-07 15:21:56
8
ToxicMrJ :
Absolutely not.
2026-03-10 00:35:35
0
Blueduck :
the foam insulation needs to in the crawl space to lock out the moisture from getting into the original boards. have houses 5 years old with their entire subfloor rotted out. lvp floor was on top and it trapped in the moisture. Also advantech makes a subfloor glue versus using great stuff
2026-03-11 23:03:32
0
GoDawgs85 :
Come on bro….. u just added 2 days & $500 to a basic flooring job
2026-03-08 18:56:45
4
scott hunt :
myself, I would never do this. but hey, its your place🤔
2026-03-08 16:19:59
5
March :
That drill tool looks so convenient
2026-03-08 19:58:11
3
CookieMuncher :
Are you installing your sub floor on top of existing wood
2026-03-08 12:22:03
5
Tweetybird_shady :
Mold.
2026-03-08 14:23:21
4
Bryan Bechtold :
It’s going to rot.. I do Crawlspace work for a living
2026-03-10 00:36:32
2
forexasaurus :
Now put another layer of that particle board in the opposite direction.
2026-03-09 09:02:14
0
JtheMan :
no
2026-03-07 22:47:49
0
InDougnito :
Overkill?
2026-03-08 16:54:42
1
suggested715 :
2026-03-07 16:01:52
1
Tardis :
Give it a few years and that subfloor underneath is going to rot out completely. Why would you do this
2026-03-09 11:24:19
0
Beatdown :
wont pass code in OH
2026-03-09 10:54:42
0
John :
Ugh…. 🤦
2026-03-13 11:37:02
0
Cj :
What type of tool is that?
2026-03-13 20:51:21
0
Davíd :
Osb and foam yea exactly what they used back in the day lmfao🤣
2026-03-10 17:36:42
0
WhiteWalker2086 :
The key is to not use osb plywood.
2026-03-09 11:04:53
0
Luke :
I use polyurethane adhesive but same same
2026-03-08 05:39:31
0
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