Fiberglass and Composite Boat Building

A forum to discuss and share tips and project updates on fiberglass boat building and repair as well as mold construction and tooling.

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  1. DogCavalry

    Sea Sled madness. It’s in my brain.

    DogCavalry, Nov 11, 2019 ... 218 219 220
    Replies:
    3,287
    Views:
    265,000
    baeckmo
    Jul 1, 2025 at 2:50 AM
  2. jorgepease

    Infusion Plan

    jorgepease, Jun 4, 2012 ... 46 47 48
    Replies:
    707
    Views:
    153,133
    jorgepease
    Mar 19, 2016
  3. grady

    The AWLGRIP Knowledge challenge

    grady, Dec 31, 2007 ... 39 40 41
    Replies:
    613
    Views:
    171,348
    grady
    Nov 17, 2013
  4. whacker82
    Locked

    boat stuck in mould

    whacker82, May 25, 2012 ... 27 28 29
    Replies:
    434
    Views:
    64,795
    waikikin
    Sep 9, 2012
  5. 5monkeys

    Coronado15 Rebuild

    5monkeys, Dec 31, 2015 ... 24 25 26
    Replies:
    382
    Views:
    54,571
    upchurchmr
    Oct 15, 2019
  6. jim lee

    Infusion Q&A

    jim lee, Dec 17, 2009 ... 24 25 26
    Replies:
    377
    Views:
    78,060
    Steve W
    Oct 29, 2012
  7. CatBuilder
    Locked

    Building is starting. Several questions in here. Answer any you like! :)

    CatBuilder, Nov 12, 2010 ... 12 13 14
    Replies:
    208
    Views:
    37,040
    CatBuilder
    Mar 13, 2011
  8. Steve W

    infusing with contour balsa

    Steve W, Jan 9, 2014 ... 12 13 14
    Replies:
    201
    Views:
    30,932
    petereng
    May 22, 2014
  9. Darkzillicon

    The 18 Foot SeaSled

    Darkzillicon, Jan 23, 2023 ... 10 11 12
    Replies:
    172
    Views:
    24,983
    Darkzillicon
    Jun 26, 2025 at 3:29 PM
  10. LilWake

    Mini OB Boat conversion to Mini Jet Boat

    LilWake, Feb 16, 2012 ... 10 11 12
    Replies:
    171
    Views:
    86,159
    LilWake
    Jan 16, 2013
  11. Cajunpockettunnel

    Pocket tunnel bateau

    Cajunpockettunnel, Aug 23, 2020 ... 9 10 11
    Replies:
    150
    Views:
    18,212
    Cajunpockettunnel
    May 4, 2021
  12. Scuff

    Layup schedule help

    Scuff, Sep 5, 2017 ... 8 9 10
    Replies:
    146
    Views:
    33,664
    Scuff
    Feb 28, 2020
  13. GWB

    Tool for efficient deck sanding

    GWB, Feb 13, 2008 ... 8 9 10
    Replies:
    135
    Views:
    31,782
    Kaptin-Jer
    Oct 5, 2008
  14. CatBuilder

    Composite (glass/foam/glass) For Beginners?

    CatBuilder, Oct 15, 2010 ... 7 8 9
    Replies:
    133
    Views:
    38,566
    Fram
    Nov 2, 2010
  15. kpiazzisi

    Help with my restoration. Nida stringers/deck

    kpiazzisi, Oct 20, 2010 ... 7 8 9
    Replies:
    132
    Views:
    42,247
    kpiazzisi
    Apr 17, 2011
  16. fallguy

    Traditional Build with Corecell

    fallguy, Apr 7, 2017 ... 7 8 9
    Replies:
    130
    Views:
    18,931
    fallguy
    Nov 20, 2018
  17. Space

    How to make a hull in epoxy and fiberglass only from a mold — no vacuum

    Space, Mar 28, 2024 ... 7 8 9
    Replies:
    129
    Views:
    10,056
    Space
    Apr 30, 2024
  18. fallguy

    Composite bulbous bows

    fallguy, Apr 5, 2023 ... 7 8 9
    Replies:
    120
    Views:
    12,845
    fallguy
    Aug 26, 2023
  19. mrbcurry1

    Chop Gun or Hand Lay

    mrbcurry1, Dec 3, 2012 ... 7 8 9
    Replies:
    120
    Views:
    27,849
    tunnels
    Dec 23, 2012
  20. fallguy

    Load cells and weighing multihull builds

    fallguy, Jan 2, 2022 ... 6 7 8
    Replies:
    119
    Views:
    10,511
    fallguy
    May 14, 2022
  21. tazmann

    Air voids in outer lamenent

    tazmann, Jul 18, 2012 ... 6 7 8
    Replies:
    113
    Views:
    20,809
    tunnels
    Oct 14, 2012
  22. fallguy

    edges of panel under vac

    fallguy, Sep 6, 2017 ... 6 7 8
    Replies:
    111
    Views:
    12,250
    fallguy
    Mar 8, 2019
  23. Tungsten

    hand lay up of coracell m foam

    Tungsten, Apr 15, 2012 ... 6 7 8
    Replies:
    111
    Views:
    20,950
    Tungsten
    May 22, 2012
  24. sandersc

    Chinese Boatbuilders??

    sandersc, Apr 9, 2008 ... 6 7 8
    Replies:
    111
    Views:
    24,767
    Butch .H
    Oct 12, 2008
  25. Kaptin-Jer

    Can one of you upnorth painters help this guy

    Kaptin-Jer, Nov 3, 2007 ... 6 7 8
    Replies:
    110
    Views:
    18,695
    ratrace2
    Dec 17, 2007
  26. ster1

    Seaswirl Tempo 17 sole, mounts, stringers?

    ster1, Apr 30, 2013 ... 6 7 8
    Replies:
    108
    Views:
    17,073
    ster1
    Aug 5, 2013
  27. Sam III

    Split mold for hull

    Sam III, Apr 22, 2008 ... 6 7 8
    Replies:
    107
    Views:
    37,009
    Herman
    Jan 30, 2009
  28. bucketlist

    Hull Damage Question

    bucketlist, Nov 14, 2020 ... 6 7 8
    Replies:
    105
    Views:
    11,679
    bucketlist
    Nov 30, 2020
  29. blaze_125

    Transom & Stringer replacement

    blaze_125, Apr 2, 2009 ... 6 7 8
    Replies:
    105
    Views:
    49,340
    blaze_125
    Jun 25, 2009
  30. Pjitty

    vacuum pump size

    Pjitty, Nov 28, 2007 ... 5 6 7
    Replies:
    104
    Views:
    38,023
    Herman
    Nov 4, 2009
  31. Ehdrian

    24' Fiberform - Rotten Stringers/Transom

    Ehdrian, Apr 27, 2007 ... 5 6 7
    Replies:
    103
    Views:
    52,759
    Ehdrian
    Jul 25, 2008
  32. 2heets2wind

    What is difference between Epoxy & Polyester Resins

    2heets2wind, Nov 13, 2009 ... 5 6 7
    Replies:
    99
    Views:
    66,731
    Fanie
    Dec 31, 2009
  33. CatBuilder

    Woodworking 101 thread. Beginner needs help!

    CatBuilder, Aug 7, 2010 ... 5 6 7
    Replies:
    98
    Views:
    15,648
    thill
    Aug 13, 2010
  34. DanishBagger

    Stainless steel screws under epoxy !?

    DanishBagger, May 20, 2008 ... 5 6 7
    Replies:
    95
    Views:
    21,681
    the1much
    Jun 25, 2008
  35. RufNutt

    Refinishing Hull

    RufNutt, Jan 8, 2013 ... 5 6 7
    Replies:
    93
    Views:
    21,126
    PAR
    Jun 11, 2014
  36. TripleCrownNC

    Rubbing out the Nibs in Awlgrip

    TripleCrownNC, Apr 29, 2008 ... 5 6 7
    Replies:
    93
    Views:
    17,169
    the1much
    May 5, 2008
  37. gabdab

    Extruded Polystyrene (XPS)

    gabdab, Sep 12, 2008 ... 5 6 7
    Replies:
    91
    Views:
    93,759
    BlueBell
    Jul 4, 2018
  38. stuee

    20ft Fibreglass boat repairs help & advice needed

    stuee, Aug 27, 2012 ... 5 6 7
    Replies:
    90
    Views:
    30,594
    wooky30014
    Dec 13, 2012
  39. rwatson

    Is Balsa really that bad ??

    rwatson, Jun 7, 2009 ... 5 6 7
    Replies:
    90
    Views:
    27,369
    masalai
    Jun 26, 2009
  40. JohnMarc

    Making a mould...

    JohnMarc, Feb 11, 2019 ... 4 5 6
    Replies:
    87
    Views:
    11,126
    fallguy
    Nov 3, 2019
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