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Shop Dimensional Lumber

Shop premium dimensional lumber in a range of hardwood species for furniture, cutting boards, shelves, and custom woodworking projects. This collection includes project-ready S4S boards in multiple sizes and thicknesses, making it easy for DIYers, hobbyists, and professional woodworkers to find the right stock for their next build.

  • Stack of wooden planks on a gray background

    Walnut Wood - 3/4" Thick - Select a Size

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $8.00 CAD - $66.00 CAD
    $8.00 CAD - $66.00 CAD
    $8.00 CAD
    In stock

    Premium Walnut Dimensional Boards (Dressed 4 Sides) Elevate your woodworking projects with our high-quality Walnut boards. Each board is kiln-dried...

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    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $8.00 CAD - $66.00 CAD
    $8.00 CAD - $66.00 CAD
    $8.00 CAD

  • S4S Premium Thins (Walnut, Curly Maple + Padauk)

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $10.00 CAD - $52.00 CAD
    $10.00 CAD - $52.00 CAD
    $10.00 CAD
    In stock

    S4S Premium Thins (Dressed 4 Sides) Our Premium Thins have been dressed on all 4 sides so you won't need to plane or joint them. These are great fo...

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    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $10.00 CAD - $52.00 CAD
    $10.00 CAD - $52.00 CAD
    $10.00 CAD

  • Walnut Wood - 1.75" Thick - Select a Size

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $16.50 CAD - $132.00 CAD
    $16.50 CAD - $132.00 CAD
    $16.50 CAD
    In stock

    Walnut Wood - 1.75" Thick - Dressed 4 Sides - Select Your Size Build bigger, bolder projects with our 1.75” thick Walnut boards, precision milled a...

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    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $16.50 CAD - $132.00 CAD
    $16.50 CAD - $132.00 CAD
    $16.50 CAD
  • Sold out

    Premium Dimensional Walnut (4"- 8" Wide)

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $25.00 CAD - $400.00 CAD
    $25.00 CAD - $400.00 CAD
    $25.00 CAD
    Out of stock

    Walnut Dimensional Boards (Dressed 2 Sides) These Walnut boards have been kiln dried and dressed on 2 sides. There will be edges that will need to ...

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    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $25.00 CAD - $400.00 CAD
    $25.00 CAD - $400.00 CAD
    $25.00 CAD
    Sold out

  • Cribbage Board Blanks

    Jeff Mack Supply
    $14.00 CAD - $140.00 CAD
    $14.00 CAD - $140.00 CAD
    $14.00 CAD - $140.00 CAD
    $14.00 CAD
    In stock

    Live Edge Cribbage Board Blanks Size: 15.25" long by 5.25" Wide x 3/4"- 1" Thick  Unleash your creativity and step into the world of DIY with our p...

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    $14.00 CAD - $140.00 CAD
    $14.00 CAD - $140.00 CAD
    $14.00 CAD - $140.00 CAD
    $14.00 CAD

  • Walnut Wood Panels - 3/4" Solid Hardwood Boards for Shelves, Signs & DIY Projects

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $72.00 CAD - $150.00 CAD
    $72.00 CAD - $150.00 CAD
    $72.00 CAD
    In stock

    Walnut Wood Panels — Solid Hardwood Boards for Shelves, Signs & DIY Projects Upgrade your next project with 3/4" thick solid walnut hardwood pa...

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    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $72.00 CAD - $150.00 CAD
    $72.00 CAD - $150.00 CAD
    $72.00 CAD

  • Walnut Wood Panels - 1.75" Solid Hardwood Boards for Shelves, Signs & DIY Projects

    Jeff Mack Supply
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $104.00 CAD - $260.00 CAD
    $104.00 CAD - $260.00 CAD
    $104.00 CAD
    In stock

    Walnut Wood Panels — Solid Hardwood Boards for Shelves, Signs & DIY Projects Upgrade your next project with 1.75" thick solid walnut hardwood p...

    View full details
    $0.00 CAD - $0.00 CAD
    $0.00 CAD
    $104.00 CAD - $260.00 CAD
    $104.00 CAD - $260.00 CAD
    $104.00 CAD

Let customers speak for us

from 4518 reviews

beautiful wood, great quality, wouldn't hesitate to order from Jeff Mack Supply again!

James Stejskal
Roasted Curly Birch Dimensional Boards

beautiful wood, great quality, wouldn't hesitate to order from Jeff Mack Supply again!

James Stejskal
Blonde Limba Wood - 3/4" Thick - Select a Size

Met all my needs, fast work and shipping too!

PAUL DEDECKER
1/2" Baltic Birch Plywood - Select a Size

Amazing quality and shipped fast

Nathalie
Butcher Block Wood Strips

Always quality products

David
Maple Wood - 1.75" Thick - Select a Size

Awesome products very fast shipping.

RICK KINCADE
Premium One Piece Resin Molds (Guaranteed for Life)

Outstanding quality fast shipping. Will definitely purchase again from JMS.

RICK KINCADE
Epoxy/Resin Mold Accessories

Perfect for my knife handles. Wood has good pattern throughout , very fast delivery!

RICHARD
Leopardwood - 3/4" Thick - Select a Size

came fast, good quality, recommend

Kurt
Cat Router Template (Clear Acrylic)
Ambrosia Maple

Very nice. Clean and well dimensioned. Would order again.

Thomas Morin
Ambrosia Maple Wood - 3/4" Thick - Select a Size

Rectangle NO SEAL HDPE Resin Molds for Epoxy Charcuterie Boards & River Boards

Tyler Marquis
Rectangle NO SEAL HDPE Resin Molds for Epoxy Charcuterie Boards & River Boards
Excellent

As described. Excellent quality wood at fair price.

Stephen Lipsius
White Oak Wood - 1.75" Thick - Select a Size
Great service

Great service. Happy with my product

Nevena Boyko
Great pieces of Red Oak

Great service, fast delivery, excellent product!

Ronald L Findley
White Oak Wood - 3/4" Thick - Select a Size
Excellent Quality — Perfect for My Table Project

Really impressed with these C-channels. They’re well made, solid, and exactly what I needed for my friend’s table project. The quality was excellent and everything arrived exactly as expected. I’d absolutely buy from this seller again and would recommend them to anyone building or reinforcing a tabletop.

James Grandin
Steel C-Channel for Table Tops