Furnaces and their construction

Build threads on the construction of home foundry furnaces

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  1. Al2O3
    Locked Sticky

    Foundry Tutorial

    Al2O3, Jan 3, 2021
    Replies:
    8
    Views:
    25,591
    Al2O3
    Jan 3, 2021
  2. Andrew Marquardt

    Building new furnace

    Andrew Marquardt, Nov 14, 2025 at 10:46 AM
    Replies:
    3
    Views:
    107
    Andrew Marquardt
    Nov 15, 2025 at 7:59 PM
  3. metallab

    Low emissivity paint and crucible impinging flame: does it really improve furnace efficiency ?

    metallab, Nov 5, 2025
    Replies:
    2
    Views:
    359
    metallab
    Nov 6, 2025
  4. brandon henneberry

    New furnace build

    brandon henneberry, Oct 26, 2025
    Replies:
    12
    Views:
    825
    Tops
    Nov 2, 2025
  5. metallab

    Electric heating: Does anyone use SiC elements ?

    metallab, Oct 11, 2025
    Replies:
    2
    Views:
    548
    Al2O3
    Oct 11, 2025
  6. Mark's castings

    New oil burning furnace build

    Mark's castings, Jun 6, 2024 ... 3 4 5
    Replies:
    83
    Views:
    38,830
    Mark's castings
    Oct 10, 2025
  7. metallab

    $400-$800 Induction furnace: worth the purchase ?

    metallab, May 22, 2025
    Replies:
    4
    Views:
    3,129
    metallab
    Jul 27, 2025
  8. bmac2

    Kaowool Hole Punch

    bmac2, Jul 1, 2025
    Replies:
    1
    Views:
    2,034
    Rob Hall
    Jul 1, 2025
  9. metallab

    What do you think of this VEVOR propane furnace ?

    metallab, Jun 15, 2025
    Replies:
    5
    Views:
    2,703
    FishbonzWV
    Jun 20, 2025
  10. metallab

    Any experiences with SiC elements ?

    metallab, Jun 8, 2025
    Replies:
    0
    Views:
    1,942
    metallab
    Jun 8, 2025
  11. metallab

    This propane furnace for only $160 ?

    metallab, May 21, 2025
    Replies:
    3
    Views:
    2,506
    HT1
    May 30, 2025
  12. Rob Hall

    Toolshed's 2025 Furnace build

    Rob Hall, May 22, 2025
    Replies:
    1
    Views:
    2,393
    Rob Hall
    May 27, 2025
  13. Mburtis

    Lift out vs lift off

    Mburtis, Mar 22, 2025
    Replies:
    10
    Views:
    3,918
    Mark's castings
    May 20, 2025
  14. Sweetgumnyc

    Induction furnace question

    Sweetgumnyc, May 2, 2025
    Replies:
    1
    Views:
    2,663
    Al2O3
    May 3, 2025
  15. Tops

    Top's A10 furnace Project

    Tops, Sep 28, 2024 ... 3 4 5
    Replies:
    99
    Views:
    31,494
    Tops
    Apr 5, 2025
  16. Conor

    Furnace struggling to melt copper, help needed.

    Conor, Feb 24, 2025
    Replies:
    4
    Views:
    3,673
    Petee716
    Feb 24, 2025
  17. Darrow of Lykos

    Applying Satanite

    Darrow of Lykos, Feb 23, 2025
    Replies:
    3
    Views:
    3,442
    Tobho Mott
    Feb 24, 2025
  18. woolstar

    Playing with heating elements.

    woolstar, Feb 24, 2025
    Replies:
    2
    Views:
    3,759
    Al2O3
    Feb 24, 2025
  19. Tranby1

    Design For Small Coke/Charcoal Furnace

    Tranby1, Feb 10, 2025
    Replies:
    10
    Views:
    5,287
    Petee716
    Feb 14, 2025
  20. Scottywood

    Burnout Kiln - advise on using old Duncan Kiln

    Scottywood, Jan 15, 2025
    Replies:
    9
    Views:
    5,737
    Scottywood
    Jan 31, 2025
  21. woolstar

    Electric element design spreadsheet.

    woolstar, Dec 29, 2024
    Replies:
    1
    Views:
    4,170
    Al2O3
    Dec 29, 2024
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