Materials

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

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  1. ShaneB

    Engine Room makeup air vent filter media?

    ShaneB, Jan 11, 2026 at 6:50 PM
    Replies:
    6
    Views:
    157
    ShaneB
    Jan 13, 2026 at 8:13 PM
  2. gonzo

    Properties of materialspe

    gonzo, Jan 10, 2026 at 10:46 AM ... 2
    Replies:
    15
    Views:
    278
    TANSL
    Jan 11, 2026 at 1:35 PM
  3. viking north

    Identifying Monel From Stainless

    viking north, Nov 12, 2014
    Replies:
    13
    Views:
    7,243
    starcmr
    Jan 5, 2026
  4. hardguy007

    Nidaplast layup

    hardguy007, Dec 23, 2025
    Replies:
    5
    Views:
    347
    fallguy
    Dec 25, 2025
  5. mvoltin

    Epoxy resin dissolving tooling gelcoat - help

    mvoltin, Dec 14, 2025
    Replies:
    9
    Views:
    607
    ondarvr
    Dec 17, 2025
  6. hardguy007

    What core material

    hardguy007, Dec 14, 2025
    Replies:
    2
    Views:
    195
    fallguy
    Dec 14, 2025
  7. Steve W

    A few questions on resin infusion

    Steve W, Dec 6, 2025
    Replies:
    8
    Views:
    507
    AndrewK
    Dec 9, 2025
  8. Hugy

    Source for foamcore and glassfiber USA

    Hugy, Dec 2, 2025
    Replies:
    5
    Views:
    356
    Skip Johnson
    Dec 5, 2025
  9. Water E

    Stainless steel hull test and rehab

    Water E, Mar 16, 2025
    Replies:
    5
    Views:
    1,144
    bajansailor
    Dec 4, 2025
  10. Ryan99

    Rookie mistake with Fiberglass, advice needed

    Ryan99, Nov 30, 2025
    Replies:
    10
    Views:
    381
    tpenfield
    Dec 1, 2025
  11. Pointlineplane

    Resin Starvation?

    Pointlineplane, Oct 28, 2025
    Replies:
    4
    Views:
    617
    fallguy
    Nov 30, 2025
  12. Jim Allen

    Basalt fiber

    Jim Allen, Nov 23, 2017 ... 4 5 6
    Replies:
    85
    Views:
    18,872
    rwatson
    Nov 26, 2025
  13. mvoltin

    Help laying out gel coat

    mvoltin, Sep 13, 2025
    Replies:
    9
    Views:
    769
    starcmr
    Nov 24, 2025
  14. Ambergris

    long run seawater hose

    Ambergris, Mar 17, 2025
    Replies:
    8
    Views:
    1,297
    gonzo
    Nov 23, 2025
  15. Suneeth Sowdri

    Marine grade plywood density

    Suneeth Sowdri, Mar 30, 2025
    Replies:
    14
    Views:
    3,533
    powrick
    Nov 23, 2025
  16. ondarvr

    Epoxy bonding, things to think about.

    ondarvr, Nov 19, 2025
    Replies:
    2
    Views:
    363
    comfisherman
    Nov 21, 2025
  17. sdowney717

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

    sdowney717, Nov 19, 2025
    Replies:
    1
    Views:
    272
    sdowney717
    Nov 20, 2025
  18. 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:
    569
    sdowney717
    Nov 20, 2025
  19. EllieO

    Carbon Fiber on Student Designed Hull

    EllieO, Nov 5, 2025
    Replies:
    12
    Views:
    879
    gonzo
    Nov 19, 2025
  20. plastics

    Acrylic mirrors suited for marine enviroments

    plastics, Nov 8, 2025
    Replies:
    4
    Views:
    335
    Rumars
    Nov 9, 2025
  21. ChallengeBoatworks

    Can You Use Vinyl ester Resin for Cold Molding?

    ChallengeBoatworks, Mar 15, 2025
    Replies:
    7
    Views:
    1,281
    Steve W
    Nov 8, 2025
  22. Jonathan Muller

    Sanding

    Jonathan Muller, Oct 29, 2025
    Replies:
    12
    Views:
    672
    montero
    Nov 5, 2025
  23. leecallen

    Source for Okoume in the Northeast

    leecallen, Oct 13, 2025
    Replies:
    7
    Views:
    661
    leecallen
    Nov 3, 2025
  24. BlueShell

    Titanium Seacocks are Here

    BlueShell, Oct 16, 2025
    Replies:
    10
    Views:
    645
    BlueShell
    Oct 18, 2025
  25. GelandGlass

    Advice on portable gelcoat spray system

    GelandGlass, Feb 27, 2021
    Replies:
    9
    Views:
    3,885
    gonzo
    Oct 16, 2025
  26. Jonathan Muller

    Marks on gelcoat

    Jonathan Muller, Sep 29, 2025 ... 2
    Replies:
    21
    Views:
    1,770
    ondarvr
    Oct 6, 2025
  27. rwatson

    Short Video of Orca attack on Fibreglass Yacht

    rwatson, Oct 5, 2025
    Replies:
    1
    Views:
    345
    comfisherman
    Oct 5, 2025
  28. Nomiddlename

    Exp system epoxy

    Nomiddlename, Oct 2, 2025
    Replies:
    0
    Views:
    390
    Nomiddlename
    Oct 2, 2025
  29. beso

    calculator of materials

    beso, Jul 27, 2020
    Replies:
    9
    Views:
    4,466
    gonzo
    Sep 20, 2025
  30. Lisbeth

    Polyurea

    Lisbeth, Sep 16, 2025 ... 2
    Replies:
    20
    Views:
    2,411
    comfisherman
    Sep 19, 2025
  31. Steve W

    Bonding strength of epoxy, vinylester and polyester.

    Steve W, Sep 14, 2025
    Replies:
    10
    Views:
    2,313
    gonzo
    Sep 17, 2025
  32. Dallin Leach

    Permeability of Epoxy vs VE vs Polyester

    Dallin Leach, Sep 3, 2025
    Replies:
    7
    Views:
    2,955
    ondarvr
    Sep 4, 2025
  33. Steve W

    Another vinylester vs epoxy thread.

    Steve W, Apr 5, 2025
    Replies:
    2
    Views:
    1,178
    Steve W
    Sep 2, 2025
  34. tpenfield

    Coosa Cored Fiberglass Composite - Bending Strength?

    tpenfield, Aug 27, 2025
    Replies:
    9
    Views:
    1,313
    comfisherman
    Aug 28, 2025
  35. Jonathan Muller

    Info lamination

    Jonathan Muller, Aug 24, 2025 ... 2
    Replies:
    17
    Views:
    1,749
    wet feet
    Aug 26, 2025
  36. aaronhl

    Rustoleum professional enamel for bildge

    aaronhl, Jul 17, 2025
    Replies:
    6
    Views:
    619
    Barry
    Jul 18, 2025
  37. EGComposites

    Polyester laminate without csm

    EGComposites, Apr 1, 2025
    Replies:
    11
    Views:
    1,565
    starcmr
    Jul 12, 2025
  38. Midday Gun

    Building lightweight sandwich panels for cabinetry & interior construction

    Midday Gun, Jul 7, 2025
    Replies:
    10
    Views:
    1,897
    Midday Gun
    Jul 11, 2025
  39. montero

    Sail fabric alternatives

    montero, Jan 18, 2025
    Replies:
    14
    Views:
    2,801
    gonzo
    Jul 8, 2025
  40. laukejas

    What can I use for epoxy fairing/filling that can be sanded in <1 hour?

    laukejas, Jun 30, 2025 ... 2
    Replies:
    16
    Views:
    1,886
    DogCavalry
    Jul 1, 2025
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