Subfloor Preparation

This is the place to post for questions on prep work.

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  1. Matt
    Sticky

    plywood grades, the in's and out's guide

    Matt, Mar 11, 2012 ... 2 3
    Replies:
    46
    Views:
    31,563
    merit
    merit
    Jul 18, 2024
  2. Neilydun

    Big build up

    Neilydun, Aug 15, 2026 at 9:26 AM
    Replies:
    2
    Views:
    17
    Neilydun
    Neilydun
    Aug 15, 2026 at 9:33 AM
  3. Westie

    Need advice on floor prep for click LVT

    Westie, Aug 5, 2026
    Replies:
    3
    Views:
    159
    Westie
    Westie
    Aug 6, 2026
  4. Stuee1202

    OSB overlay over chipboard subfloor

    Stuee1202, Feb 8, 2026
    Replies:
    3
    Views:
    566
    Bomberwa
    Bomberwa
    Jun 9, 2026
  5. HC&F

    Kerakoll pro flow smooth

    HC&F, Jun 4, 2026
    Replies:
    4
    Views:
    352
    AngryAndy
    AngryAndy
    Jun 8, 2026
  6. merit

    Sasgo flooring grade ply

    merit, May 3, 2026
    Replies:
    5
    Views:
    468
    merit
    merit
    May 4, 2026
  7. dazlight

    Screeding

    dazlight, Mar 13, 2026
    Replies:
    3
    Views:
    415
    HC&F
    HC&F
    Mar 14, 2026
  8. Stuee1202

    Wunda type UFH - to screed or not to screed?

    Stuee1202, Feb 9, 2026
    Replies:
    9
    Views:
    600
    merit
    merit
    Feb 14, 2026
  9. Aaron flooring

    Subfloor build up

    Aaron flooring, Feb 3, 2026
    Replies:
    3
    Views:
    352
    Aaron flooring
    Aaron flooring
    Feb 4, 2026
  10. davefloor

    LEVEL ZONE ULTRA LATEX

    davefloor, Jan 11, 2026
    Replies:
    2
    Views:
    312
    Distinctive Adam
    Distinctive Adam
    Jan 14, 2026
  11. Gaalar

    Quick drive system

    Gaalar, Nov 24, 2025
    Replies:
    1
    Views:
    275
    Neilydun
    Neilydun
    Nov 24, 2025
  12. Rugmunching

    Kelmore screeds...

    Rugmunching, Sep 15, 2025
    Replies:
    2
    Views:
    532
    Rugmunching
    Rugmunching
    Sep 15, 2025
  13. JimMos

    What size nails ?

    JimMos, Nov 2, 2023
    Replies:
    3
    Views:
    1,005
    gorstagtully1
    gorstagtully1
    Jul 7, 2025
  14. Matt23

    Several different substrates - what are best options for lvt?

    Matt23, May 27, 2025
    Replies:
    2
    Views:
    439
    Matt23
    Matt23
    May 28, 2025
  15. Twinsignals

    Three floors, one finish.

    Twinsignals, May 7, 2025
    Replies:
    7
    Views:
    616
    tarkett85
    tarkett85
    May 8, 2025
  16. James Elliott

    Wundatherm UFH Ultra Floor Level It Two cracking

    James Elliott, Oct 30, 2024
    Replies:
    18
    Views:
    2,008
    Stratos102
    Stratos102
    May 7, 2025
  17. deanhill1

    Crunching/popping sound from Plywood overboarding

    deanhill1, May 1, 2025
    Replies:
    13
    Views:
    1,183
    deanhill1
    deanhill1
    May 4, 2025
  18. Stratos102

    subfloor prep for UFH

    Stratos102, Apr 23, 2025
    Replies:
    3
    Views:
    522
    Stratos102
    Stratos102
    May 1, 2025
  19. Pip

    Flooring build up advice and products

    Pip, Dec 22, 2024
    Replies:
    9
    Views:
    1,020
    dazlight
    dazlight
    Apr 27, 2025
  20. Dudefinch

    How do I level my old joists before subfloor, fibre board & tiles go on?

    Dudefinch, Apr 23, 2025
    Replies:
    0
    Views:
    397
    Dudefinch
    Dudefinch
    Apr 23, 2025
  21. Drakey

    Subfloor high moisture UFH installed

    Drakey, Apr 11, 2025
    Replies:
    9
    Views:
    731
    dazlight
    dazlight
    Apr 20, 2025
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