Materials

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

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  1. laukejas

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

    laukejas, Jun 30, 2025 at 7:06 AM
    Replies:
    12
    Views:
    126
    laukejas
    Jul 1, 2025 at 5:24 AM
  2. zdimeski

    SWANKOR 2713A/BS or BL

    zdimeski, Jun 19, 2025
    Replies:
    2
    Views:
    212
    zdimeski
    Jun 19, 2025
  3. Jonathan Muller

    ABS plastic

    Jonathan Muller, Jun 3, 2025
    Replies:
    5
    Views:
    453
    montero
    Jun 5, 2025
  4. Jonathan Muller

    Mould gelcoat

    Jonathan Muller, May 13, 2025
    Replies:
    3
    Views:
    383
    ondarvr
    May 13, 2025
  5. Tiny Turnip

    Steel treatment under sprayed insulation?

    Tiny Turnip, May 10, 2025
    Replies:
    6
    Views:
    972
    comfisherman
    Jun 25, 2025 at 4:12 AM
  6. Jonathan Muller

    Gelcoat

    Jonathan Muller, May 9, 2025
    Replies:
    2
    Views:
    279
    Jonathan Muller
    May 10, 2025
  7. Jonathan Muller

    Mould gelcoat

    Jonathan Muller, May 8, 2025
    Replies:
    2
    Views:
    283
    Jonathan Muller
    May 8, 2025
  8. Jonathan Muller

    Tooling Gelcoat

    Jonathan Muller, May 6, 2025
    Replies:
    13
    Views:
    800
    ondarvr
    May 30, 2025
  9. ChallengeBoatworks

    John Guzzwell's Glue

    ChallengeBoatworks, Apr 11, 2025
    Replies:
    6
    Views:
    599
    wet feet
    Apr 15, 2025
  10. skaraborgcraft

    Sound deadening material

    skaraborgcraft, Apr 10, 2025 ... 2
    Replies:
    15
    Views:
    995
    Ad Hoc
    Apr 14, 2025
  11. Steve W

    Another vinylester vs epoxy thread.

    Steve W, Apr 5, 2025
    Replies:
    0
    Views:
    400
    Steve W
    Apr 5, 2025
  12. SV Luna

    Foam core laminate design/build questions

    SV Luna, Apr 4, 2025 ... 2
    Replies:
    27
    Views:
    2,291
    carputech53
    May 14, 2025
  13. EGComposites

    Polyester laminate without csm

    EGComposites, Apr 1, 2025
    Replies:
    10
    Views:
    761
    rxcomposite
    Apr 6, 2025
  14. Suneeth Sowdri

    Marine grade plywood density

    Suneeth Sowdri, Mar 30, 2025
    Replies:
    10
    Views:
    786
    fallguy
    Apr 5, 2025
  15. OldManRiver

    Primer

    OldManRiver, Mar 27, 2025
    Replies:
    3
    Views:
    333
    kapnD
    Mar 27, 2025
  16. DudHooper

    What is happening here? (Corrosion)

    DudHooper, Mar 22, 2025
    Replies:
    5
    Views:
    601
    gonzo
    Apr 4, 2025
  17. starcmr

    Understanding Floating Fenders – How Do They Work?

    starcmr, Mar 18, 2025
    Replies:
    4
    Views:
    555
    Jerryborg
    Apr 3, 2025
  18. Ambergris

    long run seawater hose

    Ambergris, Mar 17, 2025
    Replies:
    2
    Views:
    390
    comfisherman
    Mar 17, 2025
  19. Water E

    Stainless steel hull test and rehab

    Water E, Mar 16, 2025
    Replies:
    2
    Views:
    423
    seasquirt
    Mar 17, 2025
  20. ChallengeBoatworks

    Can You Use Vinyl ester Resin for Cold Molding?

    ChallengeBoatworks, Mar 15, 2025
    Replies:
    3
    Views:
    513
    gonzo
    Mar 18, 2025
  21. Paul Grogan

    Aluminium sailboat with a leaking keel

    Paul Grogan, Mar 8, 2025
    Replies:
    2
    Views:
    508
    gonzo
    Mar 13, 2025
  22. cmetzbower

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

    cmetzbower, Feb 18, 2025
    Replies:
    8
    Views:
    1,023
    Dave G 9N
    Feb 28, 2025
  23. MattS

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

    MattS, Feb 12, 2025
    Replies:
    5
    Views:
    1,067
    starcmr
    Feb 25, 2025
  24. silentneko

    Plywood in Florida

    silentneko, Jan 29, 2025
    Replies:
    1
    Views:
    667
    gonzo
    Jan 31, 2025
  25. Nomiddlename

    Silvertip epoxy—no post cure?

    Nomiddlename, Jan 29, 2025
    Replies:
    7
    Views:
    774
    Nomiddlename
    Jan 30, 2025
  26. Jonathan Muller

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

    Jonathan Muller, Jan 23, 2025 ... 2
    Replies:
    20
    Views:
    1,379
    BlueBell
    Feb 12, 2025
  27. Jonathan Muller

    beginning lamination questions - first layer against mold and filler question

    Jonathan Muller, Jan 19, 2025
    Replies:
    12
    Views:
    1,009
    ondarvr
    Mar 13, 2025
  28. montero

    Sail fabric alternatives

    montero, Jan 18, 2025
    Replies:
    12
    Views:
    1,195
    Arko
    Apr 30, 2025
  29. silentneko

    Vinylester vs Epoxy

    silentneko, Jan 10, 2025 ... 2
    Replies:
    20
    Views:
    2,273
    silentneko
    Mar 16, 2025
  30. Gheorghita Laurentiu

    coat with pigmented epoxy a polyester part

    Gheorghita Laurentiu, Jan 5, 2025
    Replies:
    3
    Views:
    598
    Captain Chaos
    Jan 6, 2025
  31. 30 foot gig

    Graphics embedded within gelcoat

    30 foot gig, Dec 6, 2024
    Replies:
    3
    Views:
    992
    ondarvr
    Dec 14, 2024
  32. Captain Chaos

    Ceramic coatings

    Captain Chaos, Nov 24, 2024 ... 2
    Replies:
    22
    Views:
    2,170
    Captain Chaos
    Dec 31, 2024
  33. kapnD

    Catalyst question

    kapnD, Oct 28, 2024
    Replies:
    7
    Views:
    1,152
    starcmr
    Dec 14, 2024
  34. the brain

    preserving leftover 3m 5200 adhesive

    the brain, Oct 23, 2024
    Replies:
    8
    Views:
    1,120
    Milehog
    Nov 8, 2024
  35. Daltoys

    Molding a stitch and glue built boat

    Daltoys, Oct 21, 2024 ... 2
    Replies:
    19
    Views:
    1,633
    TANSL
    Oct 23, 2024
  36. Iridian

    Repeat High Temperature Thermal Cycling

    Iridian, Oct 11, 2024
    Replies:
    7
    Views:
    1,163
    gonzo
    Oct 13, 2024
  37. Brad Turner

    Air Dry for gelcoat/ color

    Brad Turner, Oct 5, 2024
    Replies:
    0
    Views:
    772
    Brad Turner
    Oct 5, 2024
  38. Clam Island Shipwrights

    Canvas and tar boatbuilding

    Clam Island Shipwrights, Oct 1, 2024 ... 2
    Replies:
    20
    Views:
    2,135
    gonzo
    Jan 6, 2025
  39. Eli

    E-Glass vs S-Glass + Epoxy Specifications

    Eli, Oct 1, 2024
    Replies:
    5
    Views:
    1,940
    Dave G 9N
    Dec 30, 2024
  40. dustman

    Amazon epoxy vs brand name epoxy?

    dustman, Sep 23, 2024 ... 2
    Replies:
    17
    Views:
    2,219
    starcmr
    Dec 29, 2024
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