Materials

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

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  1. Jonathan Muller

    ABS plastic

    Jonathan Muller, Jun 3, 2025
    Replies:
    5
    Views:
    388
    montero
    Jun 5, 2025
  2. DogCavalry

    Concrete Dock Float

    DogCavalry, Jul 8, 2024 ... 2 3 4
    Replies:
    56
    Views:
    3,356
    DogCavalry
    Jun 3, 2025
  3. Jonathan Muller

    Tooling Gelcoat

    Jonathan Muller, May 6, 2025
    Replies:
    13
    Views:
    732
    ondarvr
    May 30, 2025
  4. SV Luna

    Foam core laminate design/build questions

    SV Luna, Apr 4, 2025 ... 2
    Replies:
    27
    Views:
    2,222
    carputech53
    May 14, 2025
  5. Jonathan Muller

    Mould gelcoat

    Jonathan Muller, May 13, 2025
    Replies:
    3
    Views:
    351
    ondarvr
    May 13, 2025
  6. Tiny Turnip

    Steel treatment under sprayed insulation?

    Tiny Turnip, May 10, 2025
    Replies:
    3
    Views:
    811
    Tiny Turnip
    May 13, 2025
  7. Jonathan Muller

    Gelcoat

    Jonathan Muller, May 9, 2025
    Replies:
    2
    Views:
    256
    Jonathan Muller
    May 10, 2025
  8. Jonathan Muller

    Mould gelcoat

    Jonathan Muller, May 8, 2025
    Replies:
    2
    Views:
    266
    Jonathan Muller
    May 8, 2025
  9. montero

    Sail fabric alternatives

    montero, Jan 18, 2025
    Replies:
    12
    Views:
    1,117
    Arko
    Apr 30, 2025
  10. ChallengeBoatworks

    John Guzzwell's Glue

    ChallengeBoatworks, Apr 11, 2025
    Replies:
    6
    Views:
    560
    wet feet
    Apr 15, 2025
  11. skaraborgcraft

    Sound deadening material

    skaraborgcraft, Apr 10, 2025 ... 2
    Replies:
    15
    Views:
    913
    Ad Hoc
    Apr 14, 2025
  12. EGComposites

    Polyester laminate without csm

    EGComposites, Apr 1, 2025
    Replies:
    10
    Views:
    725
    rxcomposite
    Apr 6, 2025
  13. Steve W

    Another vinylester vs epoxy thread.

    Steve W, Apr 5, 2025
    Replies:
    0
    Views:
    362
    Steve W
    Apr 5, 2025
  14. Suneeth Sowdri

    Marine grade plywood density

    Suneeth Sowdri, Mar 30, 2025
    Replies:
    10
    Views:
    716
    fallguy
    Apr 5, 2025
  15. DudHooper

    What is happening here? (Corrosion)

    DudHooper, Mar 22, 2025
    Replies:
    5
    Views:
    555
    gonzo
    Apr 4, 2025
  16. starcmr

    Understanding Floating Fenders – How Do They Work?

    starcmr, Mar 18, 2025
    Replies:
    4
    Views:
    529
    Jerryborg
    Apr 3, 2025
  17. Steve_uk

    Hardtop design

    Steve_uk, Nov 9, 2022
    Replies:
    11
    Views:
    2,703
    Paul Goldman
    Apr 1, 2025
  18. OldManRiver

    Primer

    OldManRiver, Mar 27, 2025
    Replies:
    3
    Views:
    311
    kapnD
    Mar 27, 2025
  19. viking north

    Identifying Monel From Stainless

    viking north, Nov 12, 2014
    Replies:
    12
    Views:
    6,364
    montero
    Mar 24, 2025
  20. ChallengeBoatworks

    Can You Use Vinyl ester Resin for Cold Molding?

    ChallengeBoatworks, Mar 15, 2025
    Replies:
    3
    Views:
    483
    gonzo
    Mar 18, 2025
  21. Ambergris

    long run seawater hose

    Ambergris, Mar 17, 2025
    Replies:
    2
    Views:
    364
    comfisherman
    Mar 17, 2025
  22. Water E

    Stainless steel hull test and rehab

    Water E, Mar 16, 2025
    Replies:
    2
    Views:
    403
    seasquirt
    Mar 17, 2025
  23. silentneko

    Vinylester vs Epoxy

    silentneko, Jan 10, 2025 ... 2
    Replies:
    20
    Views:
    2,175
    silentneko
    Mar 16, 2025
  24. Jonathan Muller

    beginning lamination questions - first layer against mold and filler question

    Jonathan Muller, Jan 19, 2025
    Replies:
    12
    Views:
    969
    ondarvr
    Mar 13, 2025
  25. Paul Grogan

    Aluminium sailboat with a leaking keel

    Paul Grogan, Mar 8, 2025
    Replies:
    2
    Views:
    466
    gonzo
    Mar 13, 2025
  26. cmetzbower

    What would happen if I fiberglassed a bag of desiccant inside a sheet of plywood?

    cmetzbower, Feb 18, 2025
    Replies:
    8
    Views:
    989
    Dave G 9N
    Feb 28, 2025
  27. MattS

    Best approach to attach plywood base to v-shaped hull?

    MattS, Feb 12, 2025
    Replies:
    5
    Views:
    981
    starcmr
    Feb 25, 2025
  28. Jonathan Muller

    How thick should the mold be and does it need flange area reinforcements?

    Jonathan Muller, Jan 23, 2025 ... 2
    Replies:
    20
    Views:
    1,308
    BlueBell
    Feb 12, 2025
  29. silentneko

    Plywood in Florida

    silentneko, Jan 29, 2025
    Replies:
    1
    Views:
    629
    gonzo
    Jan 31, 2025
  30. Nomiddlename

    Silvertip epoxy—no post cure?

    Nomiddlename, Jan 29, 2025
    Replies:
    7
    Views:
    739
    Nomiddlename
    Jan 30, 2025
  31. Clam Island Shipwrights

    Canvas and tar boatbuilding

    Clam Island Shipwrights, Oct 1, 2024 ... 2
    Replies:
    20
    Views:
    2,076
    gonzo
    Jan 6, 2025
  32. Gheorghita Laurentiu

    coat with pigmented epoxy a polyester part

    Gheorghita Laurentiu, Jan 5, 2025
    Replies:
    3
    Views:
    578
    Captain Chaos
    Jan 6, 2025
  33. Captain Chaos

    Ceramic coatings

    Captain Chaos, Nov 24, 2024 ... 2
    Replies:
    22
    Views:
    2,100
    Captain Chaos
    Dec 31, 2024
  34. Eli

    E-Glass vs S-Glass + Epoxy Specifications

    Eli, Oct 1, 2024
    Replies:
    5
    Views:
    1,852
    Dave G 9N
    Dec 30, 2024
  35. Peter Griebel

    Thickness of a sandwich composite panel, and a few other related questions?

    Peter Griebel, Feb 23, 2022 ... 3 4 5
    Replies:
    63
    Views:
    11,963
    Tall Grass
    Dec 30, 2024
  36. dustman

    Amazon epoxy vs brand name epoxy?

    dustman, Sep 23, 2024 ... 2
    Replies:
    17
    Views:
    2,136
    starcmr
    Dec 29, 2024
  37. kapnD

    Catalyst question

    kapnD, Oct 28, 2024
    Replies:
    7
    Views:
    1,094
    starcmr
    Dec 14, 2024
  38. 30 foot gig

    Graphics embedded within gelcoat

    30 foot gig, Dec 6, 2024
    Replies:
    3
    Views:
    956
    ondarvr
    Dec 14, 2024
  39. Asa Hammond

    Steel Hull - What 2 part epoxy primer in US?

    Asa Hammond, Jun 1, 2023 ... 2
    Replies:
    21
    Views:
    5,418
    starcmr
    Dec 8, 2024
  40. the brain

    preserving leftover 3m 5200 adhesive

    the brain, Oct 23, 2024
    Replies:
    8
    Views:
    1,078
    Milehog
    Nov 8, 2024
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