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. aaronhl

    How to fix gap in side of fiberglass hull

    aaronhl, Apr 15, 2025 ... 2
    Replies:
    20
    Views:
    530
    ondarvr
    Apr 24, 2025 at 10:04 AM
  2. Scott Treff

    Lamination schedule for a 14ft power skiff

    Scott Treff, Apr 23, 2025 at 12:19 PM
    Replies:
    0
    Views:
    97
    Scott Treff
    Apr 23, 2025 at 12:19 PM
  3. Jacob Rogers

    Color change with Gelcoat

    Jacob Rogers, Apr 21, 2025 at 6:22 PM ... 2
    Replies:
    18
    Views:
    471
    ondarvr
    Apr 22, 2025 at 5:03 PM
  4. Paler

    29' Catamaran Mold Laminate Thickness

    Paler, Apr 14, 2025
    Replies:
    5
    Views:
    316
    wet feet
    Apr 21, 2025 at 2:51 PM
  5. Tonja Jiran

    Manfred "Fred" Jiran - "This is It"

    Tonja Jiran, Apr 14, 2025
    Replies:
    7
    Views:
    409
    fallguy
    Apr 20, 2025 at 11:42 AM
  6. Darkzillicon

    The 18 Foot SeaSled

    Darkzillicon, Jan 23, 2023 ... 10 11 12
    Replies:
    167
    Views:
    23,294
    Darkzillicon
    Apr 19, 2025 at 9:12 PM
  7. fallguy

    Aluminum fuel tank on deck

    fallguy, Apr 15, 2025
    Replies:
    10
    Views:
    296
    philSweet
    Apr 16, 2025
  8. Jason Rodgers

    Minimizing bond failure when fiberglassing over original polyester

    Jason Rodgers, Apr 11, 2025 ... 2
    Replies:
    16
    Views:
    548
    fallguy
    Apr 16, 2025
  9. iaff284

    Bulkhead Stress Crack Repair

    iaff284, Apr 13, 2025
    Replies:
    7
    Views:
    332
    iaff284
    Apr 15, 2025
  10. fantastixvoyage

    Spraying Gel - 9:1 vs 13/15:1 - Possible???

    fantastixvoyage, Apr 10, 2025
    Replies:
    3
    Views:
    324
    ondarvr
    Apr 12, 2025
  11. JP1

    85 Bomber bass boat stringer, floor, transom

    JP1, Apr 6, 2025
    Replies:
    5
    Views:
    299
    JP1
    Apr 8, 2025
  12. DogCavalry

    Sea Sled madness. It’s in my brain.

    DogCavalry, Nov 11, 2019 ... 213 214 215
    Replies:
    3,218
    Views:
    249,118
    DogCavalry
    Mar 27, 2025
  13. itchyglass

    Center console... one piece mold or split?

    itchyglass, Mar 23, 2025
    Replies:
    6
    Views:
    389
    wet feet
    Mar 25, 2025
  14. Julian Galea

    13m hull + cabin mould for sale

    Julian Galea, Mar 7, 2025
    Replies:
    2
    Views:
    442
    Julian Galea
    Mar 10, 2025
  15. mrG

    Hollow fiberglass stringer repair?

    mrG, Mar 2, 2025
    Replies:
    4
    Views:
    427
    mrG
    Mar 3, 2025
  16. laukejas

    Need advice on infusion/vacuum line arrangement

    laukejas, Dec 26, 2024 ... 2
    Replies:
    18
    Views:
    1,422
    Skip Johnson
    Feb 4, 2025
  17. Flyingpumpkin

    Re-coring an engine hatch. Coremat?

    Flyingpumpkin, Jan 28, 2025
    Replies:
    9
    Views:
    665
    fallguy
    Jan 31, 2025
  18. Tundratom

    Transom Knee Addition

    Tundratom, Jan 29, 2025
    Replies:
    4
    Views:
    487
    ondarvr
    Jan 29, 2025
  19. Jason Rodgers

    How to repair damaged bulkhead section adjacent to stringer

    Jason Rodgers, Jan 23, 2025
    Replies:
    13
    Views:
    658
    fallguy
    Jan 29, 2025
  20. DF99

    Composite Hand Layup

    DF99, Jan 28, 2025
    Replies:
    4
    Views:
    520
    Skip Johnson
    Jan 29, 2025
  21. Luke Rhoads

    Approach to molding and laying up a coastal rowing boat

    Luke Rhoads, Jan 24, 2025
    Replies:
    8
    Views:
    611
    Skip Johnson
    Jan 27, 2025
  22. Dugansbw

    Composite deck insert

    Dugansbw, Dec 29, 2024 ... 2
    Replies:
    17
    Views:
    1,167
    Dugansbw
    Jan 25, 2025
  23. JP in FL

    Garvey dory build

    JP in FL, Nov 10, 2022 ... 2 3 4
    Replies:
    45
    Views:
    13,372
    Calusa
    Jan 23, 2025
  24. JustLloyd

    First big sheet of fibreglass, concerned about bubble on edge.

    JustLloyd, Jan 19, 2025
    Replies:
    3
    Views:
    506
    fallguy
    Jan 20, 2025
  25. hardguy007

    Best hull/hull type

    hardguy007, Jan 12, 2025
    Replies:
    4
    Views:
    570
    Tomsboatshed
    Jan 12, 2025
  26. mrdebian

    Resing with gelocat on 1st layer

    mrdebian, Jan 10, 2025
    Replies:
    4
    Views:
    508
    ondarvr
    Jan 11, 2025
  27. Jason Rodgers

    Fiberglass repair of rudder - no space for bevel

    Jason Rodgers, Nov 12, 2024
    Replies:
    11
    Views:
    1,140
    InryYann
    Dec 12, 2024
  28. Derek_9103

    Turning a sail locker into an anchor locker

    Derek_9103, Dec 9, 2024
    Replies:
    9
    Views:
    747
    Blueknarr
    Dec 10, 2024
  29. Steve_uk

    Rudder repair help

    Steve_uk, Nov 11, 2024
    Replies:
    8
    Views:
    1,033
    fallguy
    Nov 18, 2024
  30. yofish

    Polyester knit fabric

    yofish, Mar 28, 2015 ... 2 3
    Replies:
    39
    Views:
    13,292
    Studio Max Print
    Nov 12, 2024
  31. Chapaef

    Help with identification of the hull construction

    Chapaef, Oct 29, 2024
    Replies:
    10
    Views:
    1,099
    Chapaef
    Oct 30, 2024
  32. Sandworm3434

    Hard edges and no sanding = truly impossible?

    Sandworm3434, Oct 26, 2024
    Replies:
    5
    Views:
    718
    rangebowdrie
    Oct 28, 2024
  33. Diyguy.

    Rowing boat repair layup

    Diyguy., Oct 14, 2024
    Replies:
    7
    Views:
    732
    Diyguy.
    Oct 15, 2024
  34. Boom Up Bob

    Surface Repair

    Boom Up Bob, Oct 14, 2024
    Replies:
    4
    Views:
    616
    Tops
    Oct 14, 2024
  35. George Smith

    How to check if Hatteras Extension was done right?

    George Smith, Oct 8, 2024
    Replies:
    7
    Views:
    878
    sdowney717
    Oct 12, 2024
  36. crossram

    Metric to Imperial conversion help

    crossram, May 13, 2013 ... 2 3 4
    Replies:
    49
    Views:
    7,684
    Adamz
    Oct 5, 2024
  37. Seasideinvermont

    Standing cabin build on 19’ aluminum runabout

    Seasideinvermont, Aug 22, 2024 ... 2
    Replies:
    23
    Views:
    2,283
    Seasideinvermont
    Sep 24, 2024
  38. fallguy

    Starboard for motor shim

    fallguy, Sep 18, 2024
    Replies:
    3
    Views:
    664
    wet feet
    Sep 19, 2024
  39. Tops

    Thin Gelcoated Panels, how to Improve?

    Tops, Sep 7, 2024
    Replies:
    13
    Views:
    1,107
    gonzo
    Sep 12, 2024
  40. Alex Martin

    Boat Builders South East Asia (Help)

    Alex Martin, Aug 21, 2024
    Replies:
    1
    Views:
    799
    Alex Martin
    Aug 28, 2024
Showing threads 1 to 40 of 4,324

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