Materials

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

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  1. Vman

    Using epoxy to build from a mold

    Vman, May 2, 2021
    Replies:
    7
    Views:
    2,057
    Dejay
    May 4, 2021
  2. aaronhl

    West System 410 under polyester type top coat

    aaronhl, May 1, 2021
    Replies:
    13
    Views:
    1,844
    Blueknarr
    May 4, 2021
  3. Close Call

    Vertical foam plank design conversion and technique

    Close Call, May 6, 2021
    Replies:
    8
    Views:
    1,636
    Zilver
    May 8, 2021
  4. Jeff in Boston

    Understanding Wax and Polyester Laminating Resin?

    Jeff in Boston, May 11, 2021
    Replies:
    7
    Views:
    4,745
    ondarvr
    May 12, 2021
  5. Asleep Helmsman

    Teak Portholes

    Asleep Helmsman, Nov 10, 2018 ... 2
    Replies:
    19
    Views:
    3,394
    Asleep Helmsman
    May 15, 2021
  6. mrdebian

    Gelcoat storage life

    mrdebian, May 1, 2021
    Replies:
    3
    Views:
    1,994
    ondarvr
    May 17, 2021
  7. rangebowdrie

    Carbon Fiber, Tension/Compression

    rangebowdrie, May 17, 2021
    Replies:
    2
    Views:
    1,156
    rangebowdrie
    May 17, 2021
  8. Andy Ahl

    Paint or Gel Coat?

    Andy Ahl, May 23, 2021
    Replies:
    6
    Views:
    1,394
    Rumars
    May 24, 2021
  9. Edem

    Marine aluminum vs marine steel for ship hull. What to choose?

    Edem, Apr 21, 2021 ... 2 3
    Replies:
    33
    Views:
    5,587
    JSL
    May 28, 2021
  10. TDG

    Using Aluminum SIP's for Hulls

    TDG, May 31, 2021
    Replies:
    0
    Views:
    1,021
    TDG
    May 31, 2021
  11. Vineet

    Sheathed strip construction vs. aluminum

    Vineet, Jun 4, 2021
    Replies:
    5
    Views:
    1,556
    Mr Efficiency
    Jun 5, 2021
  12. thebruce

    Hydrophilic epoxy question

    thebruce, Jun 15, 2021
    Replies:
    1
    Views:
    974
    Blueknarr
    Jun 16, 2021
  13. Mark9898

    Plywood sealing

    Mark9898, Jun 23, 2021
    Replies:
    4
    Views:
    2,038
    fallguy
    Jun 24, 2021
  14. Jgfmobile

    painting VE over Poly to seal inside tank?

    Jgfmobile, Mar 31, 2021 ... 2 3
    Replies:
    38
    Views:
    2,982
    gonzo
    Jun 25, 2021
  15. mariobrothers88

    Quality of Marine plywood by consmos (Chinese manufacturer)

    mariobrothers88, Jun 26, 2021
    Replies:
    0
    Views:
    1,228
    mariobrothers88
    Jun 26, 2021
  16. Metalbuffer1

    Marine Fir plywood edge adhesion

    Metalbuffer1, Jul 6, 2021 ... 2
    Replies:
    17
    Views:
    2,078
    Metalbuffer1
    Jul 7, 2021
  17. Stefano Dilena

    Aluminium hull scantling optimisation with

    Stefano Dilena, Jul 13, 2021
    Replies:
    12
    Views:
    2,008
    Rumars
    Jul 13, 2021
  18. Stefano Dilena

    Coosa board hull (catamaran project)?

    Stefano Dilena, Jul 15, 2021 ... 2
    Replies:
    24
    Views:
    4,828
    fallguy
    Jul 16, 2021
  19. seandepagnier

    replace stainless chainplate with carbon

    seandepagnier, Dec 14, 2020
    Replies:
    3
    Views:
    1,494
    seandepagnier
    Jul 18, 2021
  20. km27603

    HDPE cabin sole/floor boards?

    km27603, Jul 8, 2021
    Replies:
    5
    Views:
    1,714
    comfisherman
    Jul 19, 2021
  21. Jordan Beyer

    Splatter over gelcoat

    Jordan Beyer, Jul 12, 2021
    Replies:
    13
    Views:
    3,291
    Jordan Beyer
    Jul 20, 2021
  22. missinginaction

    Material for a small lifting boom.

    missinginaction, Jul 23, 2020 ... 2
    Replies:
    17
    Views:
    4,518
    missinginaction
    Aug 15, 2021
  23. Asleep Helmsman

    Portholes Revisited

    Asleep Helmsman, Aug 6, 2021 ... 2
    Replies:
    18
    Views:
    2,851
    Asleep Helmsman
    Aug 18, 2021
  24. kayakingsteve

    Newbie does everything wrong with surfski he is repairing... what's the next step?

    kayakingsteve, Aug 9, 2021 ... 2 3
    Replies:
    37
    Views:
    3,098
    kayakingsteve
    Aug 18, 2021
  25. John Smithson

    Expanding marine foam for composite centers?

    John Smithson, Aug 22, 2021
    Replies:
    4
    Views:
    1,095
    Mr Efficiency
    Aug 22, 2021
  26. Stefano Dilena

    Edge rebate for glass tape joint

    Stefano Dilena, Aug 19, 2021 ... 2 3
    Replies:
    30
    Views:
    3,049
    rxcomposite
    Aug 22, 2021
  27. Jeff in Boston

    Bolts for Steel Keel - Bronze? Hot Dipped Galvanized?

    Jeff in Boston, Feb 24, 2021 ... 2
    Replies:
    25
    Views:
    2,802
    Rob Lehmann
    Aug 24, 2021
  28. AwJees

    Houseboat Hull finish idea need pros and cons

    AwJees, Aug 25, 2021
    Replies:
    7
    Views:
    1,091
    AwJees
    Aug 26, 2021
  29. BE_

    any tips for improving the lifespan of a fiberglass-over-Xps insulation foam boat?

    BE_, Jul 23, 2021
    Replies:
    13
    Views:
    3,902
    bajansailor
    Sep 4, 2021
  30. idkfa

    PVA + Gelcoat in mould, for adhesion to epoxy laminate

    idkfa, Dec 20, 2016
    Replies:
    10
    Views:
    3,568
    ondarvr
    Sep 5, 2021
  31. Carlazzomark

    Substitute aluminum rectangular tubing for wood stringers?

    Carlazzomark, Sep 4, 2021
    Replies:
    14
    Views:
    1,836
    Carlazzomark
    Sep 6, 2021
  32. kayakingsteve

    How to fix slow-curing fiberglass resin: MEKP diluted with?

    kayakingsteve, Aug 27, 2021 ... 2 3
    Replies:
    39
    Views:
    6,831
    gonzo
    Sep 7, 2021
  33. member74761

    Floatation Foam

    member74761, Sep 5, 2021 ... 2
    Replies:
    19
    Views:
    3,126
    member74761
    Sep 13, 2021
  34. bobbrown

    S&G bottom material

    bobbrown, Jul 7, 2021
    Replies:
    8
    Views:
    1,655
    cracked_ribs
    Sep 14, 2021
  35. DogCavalry

    Air permeable watertight membrane

    DogCavalry, Sep 7, 2021 ... 2
    Replies:
    26
    Views:
    2,280
    fallguy
    Sep 14, 2021
  36. Bigtalljv

    2:1 epoxies in quantity

    Bigtalljv, Sep 20, 2021
    Replies:
    8
    Views:
    1,327
    Bigtalljv
    Sep 30, 2021
  37. Sprint 18.5

    How to repair motor mount pads?

    Sprint 18.5, Oct 4, 2021 ... 2
    Replies:
    24
    Views:
    2,433
    sdowney717
    Oct 10, 2021
  38. Jaco

    How to join Composite flat panels?

    Jaco, Oct 11, 2021
    Replies:
    8
    Views:
    1,710
    fallguy
    Oct 12, 2021
  39. mrdebian

    Tips on applying (by brush) & sanding gelcoat

    mrdebian, Oct 12, 2021
    Replies:
    10
    Views:
    3,398
    fallguy
    Oct 12, 2021
  40. dsigned

    Ok everyone, it's that time of the year again: time to talk about concrete

    dsigned, Sep 21, 2017 ... 9 10 11
    Replies:
    157
    Views:
    18,944
    calevi
    Oct 22, 2021
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