Materials

Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.

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  1. bob kennelly

    Should I use Fiberglass or PVC sheet to cover pontoons?

    bob kennelly, Mar 9, 2026 at 3:59 PM ... 2
    Replies:
    23
    Views:
    198
    bob kennelly
    Mar 10, 2026 at 4:20 PM
  2. ondarvr

    Resin chemistry differences globally.

    ondarvr, Mar 8, 2026 at 4:45 PM
    Replies:
    0
    Views:
    96
    ondarvr
    Mar 8, 2026 at 4:45 PM
  3. mvoltin

    Vinylester reacting with ISO/NPG gelcoat

    mvoltin, Feb 28, 2026 ... 2
    Replies:
    19
    Views:
    561
    ondarvr
    Mar 8, 2026 at 11:25 AM
  4. Tops

    Painting Inside of Refiitted Boat w/ Multiple Substrates

    Tops, Aug 17, 2024
    Replies:
    8
    Views:
    1,590
    gonzo
    Mar 6, 2026 at 6:51 PM
  5. tpenfield

    1808 vs. 2415 stitched cloth comparison ?

    tpenfield, Feb 28, 2026
    Replies:
    6
    Views:
    296
    tpenfield
    Mar 2, 2026
  6. Steve W

    Bonding strength of epoxy, vinylester and polyester.

    Steve W, Sep 14, 2025
    Replies:
    11
    Views:
    2,545
    starcmr
    Feb 26, 2026
  7. Spenser

    Replacing foam buoyancy CL16 dinghy

    Spenser, Jan 19, 2026 ... 2
    Replies:
    29
    Views:
    1,214
    fallguy
    Feb 24, 2026
  8. ShaneB

    Engine Room makeup air vent filter media?

    ShaneB, Jan 11, 2026
    Replies:
    8
    Views:
    528
    ShaneB
    Feb 18, 2026
  9. harry tams

    Polypropylene honeycomb panels for hull construction?

    harry tams, Feb 22, 2010 ... 2 3
    Replies:
    35
    Views:
    30,838
    brian eiland
    Feb 17, 2026
  10. Steve W

    A few questions on resin infusion

    Steve W, Dec 6, 2025
    Replies:
    9
    Views:
    784
    starcmr
    Feb 16, 2026
  11. robherc

    Anyone have experience with NidaCore Polypropylene Honeycomb?

    robherc, Jan 13, 2009 ... 2
    Replies:
    23
    Views:
    20,171
    brian eiland
    Feb 15, 2026
  12. CharlieDanger99

    Thoughts on Marine Tech Aquaply+

    CharlieDanger99, Jan 21, 2026
    Replies:
    14
    Views:
    764
    gonzo
    Jan 27, 2026
  13. hardguy007

    Aluminium extrusion

    hardguy007, Jan 17, 2026
    Replies:
    2
    Views:
    308
    hardguy007
    Jan 17, 2026
  14. gonzo

    Properties of materialspe

    gonzo, Jan 10, 2026 ... 2
    Replies:
    15
    Views:
    631
    TANSL
    Jan 11, 2026
  15. viking north

    Identifying Monel From Stainless

    viking north, Nov 12, 2014
    Replies:
    13
    Views:
    7,493
    starcmr
    Jan 5, 2026
  16. hardguy007

    Nidaplast layup

    hardguy007, Dec 23, 2025
    Replies:
    5
    Views:
    453
    fallguy
    Dec 25, 2025
  17. mvoltin

    Epoxy resin dissolving tooling gelcoat - help

    mvoltin, Dec 14, 2025
    Replies:
    9
    Views:
    827
    ondarvr
    Dec 17, 2025
  18. hardguy007

    What core material

    hardguy007, Dec 14, 2025
    Replies:
    2
    Views:
    289
    fallguy
    Dec 14, 2025
  19. Hugy

    Source for foamcore and glassfiber USA

    Hugy, Dec 2, 2025
    Replies:
    5
    Views:
    503
    Skip Johnson
    Dec 5, 2025
  20. Water E

    Stainless steel hull test and rehab

    Water E, Mar 16, 2025
    Replies:
    5
    Views:
    1,254
    bajansailor
    Dec 4, 2025
  21. Ryan99

    Rookie mistake with Fiberglass, advice needed

    Ryan99, Nov 30, 2025
    Replies:
    10
    Views:
    495
    tpenfield
    Dec 1, 2025
  22. Pointlineplane

    Resin Starvation?

    Pointlineplane, Oct 28, 2025
    Replies:
    4
    Views:
    779
    fallguy
    Nov 30, 2025
  23. Jim Allen

    Basalt fiber

    Jim Allen, Nov 23, 2017 ... 4 5 6
    Replies:
    85
    Views:
    19,545
    rwatson
    Nov 26, 2025
  24. mvoltin

    Help laying out gel coat

    mvoltin, Sep 13, 2025
    Replies:
    9
    Views:
    866
    starcmr
    Nov 24, 2025
  25. Ambergris

    long run seawater hose

    Ambergris, Mar 17, 2025
    Replies:
    8
    Views:
    1,416
    gonzo
    Nov 23, 2025
  26. Suneeth Sowdri

    Marine grade plywood density

    Suneeth Sowdri, Mar 30, 2025
    Replies:
    14
    Views:
    4,442
    powrick
    Nov 23, 2025
  27. ondarvr

    Epoxy bonding, things to think about.

    ondarvr, Nov 19, 2025
    Replies:
    2
    Views:
    496
    comfisherman
    Nov 21, 2025
  28. sdowney717

    $6 for Milled FG fibers, this is good stuff, it is recycled

    sdowney717, Nov 19, 2025
    Replies:
    1
    Views:
    359
    sdowney717
    Nov 20, 2025
  29. sdowney717

    Nice epoxy gallon, 1 to 1, has always set for me, soaks well into wood, never blushs.

    sdowney717, Nov 19, 2025
    Replies:
    6
    Views:
    832
    sdowney717
    Nov 20, 2025
  30. EllieO

    Carbon Fiber on Student Designed Hull

    EllieO, Nov 5, 2025
    Replies:
    12
    Views:
    1,012
    gonzo
    Nov 19, 2025
  31. plastics

    Acrylic mirrors suited for marine enviroments

    plastics, Nov 8, 2025
    Replies:
    4
    Views:
    412
    Rumars
    Nov 9, 2025
  32. ChallengeBoatworks

    Can You Use Vinyl ester Resin for Cold Molding?

    ChallengeBoatworks, Mar 15, 2025
    Replies:
    7
    Views:
    1,390
    Steve W
    Nov 8, 2025
  33. Jonathan Muller

    Sanding

    Jonathan Muller, Oct 29, 2025
    Replies:
    12
    Views:
    802
    montero
    Nov 5, 2025
  34. leecallen

    Source for Okoume in the Northeast

    leecallen, Oct 13, 2025
    Replies:
    7
    Views:
    807
    leecallen
    Nov 3, 2025
  35. BlueShell

    Titanium Seacocks are Here

    BlueShell, Oct 16, 2025
    Replies:
    10
    Views:
    773
    BlueShell
    Oct 18, 2025
  36. GelandGlass

    Advice on portable gelcoat spray system

    GelandGlass, Feb 27, 2021
    Replies:
    9
    Views:
    4,183
    gonzo
    Oct 16, 2025
  37. Jonathan Muller

    Marks on gelcoat

    Jonathan Muller, Sep 29, 2025 ... 2
    Replies:
    21
    Views:
    1,970
    ondarvr
    Oct 6, 2025
  38. rwatson

    Short Video of Orca attack on Fibreglass Yacht

    rwatson, Oct 5, 2025
    Replies:
    1
    Views:
    501
    comfisherman
    Oct 5, 2025
  39. Nomiddlename

    Exp system epoxy

    Nomiddlename, Oct 2, 2025
    Replies:
    0
    Views:
    502
    Nomiddlename
    Oct 2, 2025
  40. beso

    calculator of materials

    beso, Jul 27, 2020
    Replies:
    9
    Views:
    4,596
    gonzo
    Sep 20, 2025
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