Materials

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

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  1. chowdan

    closed cell sponge foam rubber epdm as insulation?

    chowdan, Nov 16, 2021
    Replies:
    2
    Views:
    1,115
    chowdan
    Nov 17, 2021
  2. ianmoore

    quick gelcoat repair-waxed multi spray?

    ianmoore, Nov 16, 2021
    Replies:
    2
    Views:
    1,043
    ianmoore
    Nov 16, 2021
  3. Etcmwilk2008

    Resins help

    Etcmwilk2008, Nov 14, 2021
    Replies:
    5
    Views:
    1,250
    fallguy
    Nov 14, 2021
  4. fallguy

    Galvanic isolating compound

    fallguy, Nov 11, 2021
    Replies:
    14
    Views:
    1,092
    fallguy
    Nov 13, 2021
  5. Iridian

    Elongation Characteristics on Hull vs Bulkheads?

    Iridian, Nov 7, 2021
    Replies:
    5
    Views:
    1,052
    Iridian
    Nov 8, 2021
  6. Scuff

    Lusid technologies/Northstar paints

    Scuff, Nov 2, 2021
    Replies:
    0
    Views:
    800
    Scuff
    Nov 2, 2021
  7. mrdebian

    Tips on applying (by brush) & sanding gelcoat

    mrdebian, Oct 12, 2021
    Replies:
    10
    Views:
    3,487
    fallguy
    Oct 12, 2021
  8. Jaco

    How to join Composite flat panels?

    Jaco, Oct 11, 2021
    Replies:
    8
    Views:
    1,731
    fallguy
    Oct 12, 2021
  9. Sprint 18.5

    How to repair motor mount pads?

    Sprint 18.5, Oct 4, 2021 ... 2
    Replies:
    24
    Views:
    2,452
    sdowney717
    Oct 10, 2021
  10. Owly

    XPS core again

    Owly, Sep 27, 2021 ... 3 4 5
    Replies:
    62
    Views:
    7,409
    fallguy
    Oct 23, 2021
  11. Bigtalljv

    2:1 epoxies in quantity

    Bigtalljv, Sep 20, 2021
    Replies:
    8
    Views:
    1,334
    Bigtalljv
    Sep 30, 2021
  12. Brentmctigue

    Thickened vinylester not setting

    Brentmctigue, Sep 16, 2021 ... 2
    Replies:
    16
    Views:
    2,502
    Brentmctigue
    May 9, 2022
  13. DogCavalry

    Air permeable watertight membrane

    DogCavalry, Sep 7, 2021 ... 2
    Replies:
    26
    Views:
    2,299
    fallguy
    Sep 14, 2021
  14. member74761

    Floatation Foam

    member74761, Sep 5, 2021 ... 2
    Replies:
    19
    Views:
    3,169
    member74761
    Sep 13, 2021
  15. Carlazzomark

    Substitute aluminum rectangular tubing for wood stringers?

    Carlazzomark, Sep 4, 2021
    Replies:
    14
    Views:
    1,848
    Carlazzomark
    Sep 6, 2021
  16. kayakingsteve

    best painting technique for 1-part paint in tight spaces?

    kayakingsteve, Aug 31, 2021
    Replies:
    12
    Views:
    1,745
    The Q
    Jan 20, 2022
  17. kayakingsteve

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

    kayakingsteve, Aug 27, 2021 ... 2 3
    Replies:
    39
    Views:
    6,910
    gonzo
    Sep 7, 2021
  18. AwJees

    Houseboat Hull finish idea need pros and cons

    AwJees, Aug 25, 2021
    Replies:
    7
    Views:
    1,100
    AwJees
    Aug 26, 2021
  19. John Smithson

    Expanding marine foam for composite centers?

    John Smithson, Aug 22, 2021
    Replies:
    4
    Views:
    1,100
    Mr Efficiency
    Aug 22, 2021
  20. Stefano Dilena

    Edge rebate for glass tape joint

    Stefano Dilena, Aug 19, 2021 ... 2 3
    Replies:
    30
    Views:
    3,066
    rxcomposite
    Aug 22, 2021
  21. kayakingsteve

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

    kayakingsteve, Aug 9, 2021 ... 2 3
    Replies:
    37
    Views:
    3,121
    kayakingsteve
    Aug 18, 2021
  22. Asleep Helmsman

    Portholes Revisited

    Asleep Helmsman, Aug 6, 2021 ... 2
    Replies:
    18
    Views:
    2,859
    Asleep Helmsman
    Aug 18, 2021
  23. missinginaction

    Interlux Perfection. Awlgrip, Awlcat3 as a catalyst substitute?

    missinginaction, Jul 31, 2021
    Replies:
    6
    Views:
    1,915
    baeckmo
    Jul 10, 2022
  24. BE_

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

    BE_, Jul 23, 2021
    Replies:
    13
    Views:
    3,928
    bajansailor
    Sep 4, 2021
  25. Stefano Dilena

    3D/Core XPS Vs Divinycell H80 ( with table comparison)

    Stefano Dilena, Jul 18, 2021
    Replies:
    5
    Views:
    2,695
    DaanDM
    Dec 28, 2021
  26. Stefano Dilena

    Coosa board hull (catamaran project)?

    Stefano Dilena, Jul 15, 2021 ... 2
    Replies:
    24
    Views:
    4,873
    fallguy
    Jul 16, 2021
  27. Stefano Dilena

    Aluminium hull scantling optimisation with

    Stefano Dilena, Jul 13, 2021
    Replies:
    12
    Views:
    2,028
    Rumars
    Jul 13, 2021
  28. Jordan Beyer

    Splatter over gelcoat

    Jordan Beyer, Jul 12, 2021
    Replies:
    13
    Views:
    3,341
    Jordan Beyer
    Jul 20, 2021
  29. km27603

    HDPE cabin sole/floor boards?

    km27603, Jul 8, 2021
    Replies:
    5
    Views:
    1,718
    comfisherman
    Jul 19, 2021
  30. bobbrown

    S&G bottom material

    bobbrown, Jul 7, 2021
    Replies:
    8
    Views:
    1,659
    cracked_ribs
    Sep 14, 2021
  31. rturbett

    Fiberglass layer strength

    rturbett, Jul 6, 2021
    Replies:
    13
    Views:
    4,480
    Ajg2199
    Aug 24, 2022
  32. Metalbuffer1

    Marine Fir plywood edge adhesion

    Metalbuffer1, Jul 6, 2021 ... 2
    Replies:
    17
    Views:
    2,095
    Metalbuffer1
    Jul 7, 2021
  33. mariobrothers88

    Quality of Marine plywood by consmos (Chinese manufacturer)

    mariobrothers88, Jun 26, 2021
    Replies:
    0
    Views:
    1,235
    mariobrothers88
    Jun 26, 2021
  34. Mark9898

    Plywood sealing

    Mark9898, Jun 23, 2021
    Replies:
    4
    Views:
    2,056
    fallguy
    Jun 24, 2021
  35. thebruce

    Hydrophilic epoxy question

    thebruce, Jun 15, 2021
    Replies:
    1
    Views:
    982
    Blueknarr
    Jun 16, 2021
  36. Vineet

    Sheathed strip construction vs. aluminum

    Vineet, Jun 4, 2021
    Replies:
    5
    Views:
    1,563
    Mr Efficiency
    Jun 5, 2021
  37. TDG

    Using Aluminum SIP's for Hulls

    TDG, May 31, 2021
    Replies:
    0
    Views:
    1,030
    TDG
    May 31, 2021
  38. Andy Ahl

    Paint or Gel Coat?

    Andy Ahl, May 23, 2021
    Replies:
    6
    Views:
    1,397
    Rumars
    May 24, 2021
  39. rangebowdrie

    Carbon Fiber, Tension/Compression

    rangebowdrie, May 17, 2021
    Replies:
    2
    Views:
    1,169
    rangebowdrie
    May 17, 2021
  40. Jeff in Boston

    Understanding Wax and Polyester Laminating Resin?

    Jeff in Boston, May 11, 2021
    Replies:
    7
    Views:
    4,773
    ondarvr
    May 12, 2021
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