Dimensional Lumber

Structural reliability starts with the right lumber. Capital Lumber supplies a complete selection of dimensional lumber for framing, exterior, and structural applications, stocked for consistency and jobsite efficiency. From Doug Fir and Larch framing to pressure treated options for ground contact, materials are available by the board or in full units, with common sizes and longer lengths ready for pickup or delivery. Backed by knowledgeable staff and logistics built for builders, Capital Lumber helps keep projects moving without delays or substitutions.

  • Bright coastal living room with soft natural light, stone flooring, neutral furnishings, and floor-to-ceiling glass opening to an outdoor patio.

    Doug Fir & Larch Framing

    Reliable framing lumber for structural builds, including Doug Fir and Larch, stocked for consistency and strength. Available by individual board or in full units, with common dimensions and lengths ready for pickup or delivery when timing matters.

  • Flat-lay of curated material samples including stone tiles, textured fabrics, ceramics, and botanicals arranged on a neutral surface.

    Pressure Treated Lumber

    Designed for ground contact and exterior durability, pressure treated lumber is treated with CA-C preservatives for long-term performance. Stocked in common sizes and lengths, by the board or by the unit, for decks, posts, and structural outdoor applications.

  • Macro photograph of light, textured wool fabric with soft shadows highlighting the natural fibers.

    Dimensional Sizes & Lengths

    Common dimensional sizes kept in steady rotation, from 2x4 through 2x12 in multiple lengths. Ideal for builders who need predictable stock, fast pulls, and minimal substitutions on active job sites.

  • Interior of a warm, modern café rendered in line-art style with high ceilings, pendant lighting, and wood and metal furnishings.

    Units & Bulk Orders

    Full units available for larger builds and repeat projects, helping maintain consistency and reduce jobsite delays. Handled with dedicated delivery equipment and longer-length capabilities most suppliers can’t support.

Overview

Doug Fir/Larch Framing

We do not sort boards for appearance, but we ensure every board meets structural and quality standards. Lumber is a natural product, so variation is expected — but we never sell unusable stock.

Dimension

Grade

Typical Unit Size

Lengths

Stocked

2x4

#1

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x6

2&Btr

189 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x8

2&Btr

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2xIO

Select Struct

105 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

✅ Stocked

2x12

Select Struct

84 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

⌛ 1-2 day transit

Pressure Treated Lumber

All pressure-treated stock is Douglas Fir, treated for ground contact or below-grade use.
Available in standard dimensional sizes — 2x, 4x, and 6x — using CA-C (Copper Azole) preservatives.

Dimension

Treatment / Grade

Retention (pcf)

Typical Unit Size

Lengths

Stocked

2x4

CA-C .15 (Above Ground)

0.15

294 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x6

CA-C .25 (Ground Contact)

0.25

189 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x8

CA-C .25 (Ground Contact)

0.25

294 pc. units

12’, 16’

✅ Stocked

2x10

CA-C .31 (Below Grade)

0.31

105 pc. units

12’, 16’

✅ Stocked

2x12

CA-C .31 (Below Grade)

0.31

84 pc. units

12’, 16’

✅ Stocked

4x4

CA-C .25 (Ground Contact)

0.25

42 pc. units

8’, 10’, 12’, 16’

✅ Stocked

6x6

CA-C .31 (Below Grade)

0.31

21 pc. units

8’, 10’, 12’, 16’

✅ Stocked

Contact Us

(208) 470-7888

Dimensional Lumber

Structural reliability starts with the right lumber. Capital Lumber supplies a complete selection of dimensional lumber for framing, exterior, and structural applications, stocked for consistency and jobsite efficiency. From Doug Fir and Larch framing to pressure treated options for ground contact, materials are available by the board or in full units, with common sizes and longer lengths ready for pickup or delivery. Backed by knowledgeable staff and logistics built for builders, Capital Lumber helps keep projects moving without delays or substitutions.

  • Bright coastal living room with soft natural light, stone flooring, neutral furnishings, and floor-to-ceiling glass opening to an outdoor patio.

    Doug Fir & Larch Framing

    Reliable framing lumber for structural builds, including Doug Fir and Larch, stocked for consistency and strength. Available by individual board or in full units, with common dimensions and lengths ready for pickup or delivery when timing matters.

  • Flat-lay of curated material samples including stone tiles, textured fabrics, ceramics, and botanicals arranged on a neutral surface.

    Pressure Treated Lumber

    Designed for ground contact and exterior durability, pressure treated lumber is treated with CA-C preservatives for long-term performance. Stocked in common sizes and lengths, by the board or by the unit, for decks, posts, and structural outdoor applications.

  • Macro photograph of light, textured wool fabric with soft shadows highlighting the natural fibers.

    Dimensional Sizes & Lengths

    Common dimensional sizes kept in steady rotation, from 2x4 through 2x12 in multiple lengths. Ideal for builders who need predictable stock, fast pulls, and minimal substitutions on active job sites.

  • Interior of a warm, modern café rendered in line-art style with high ceilings, pendant lighting, and wood and metal furnishings.

    Units & Bulk Orders

    Full units available for larger builds and repeat projects, helping maintain consistency and reduce jobsite delays. Handled with dedicated delivery equipment and longer-length capabilities most suppliers can’t support.

Overview

Doug Fir/Larch Framing

We do not sort boards for appearance, but we ensure every board meets structural and quality standards. Lumber is a natural product, so variation is expected — but we never sell unusable stock.

Dimension

Grade

Typical Unit Size

Lengths

Stocked

2x4

#1

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x6

2&Btr

189 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x8

2&Btr

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2xIO

Select Struct

105 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

✅ Stocked

2x12

Select Struct

84 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

⌛ 1-2 day transit

Pressure Treated Lumber

All pressure-treated stock is Douglas Fir, treated for ground contact or below-grade use.
Available in standard dimensional sizes — 2x, 4x, and 6x — using CA-C (Copper Azole) preservatives.

Dimension

Treatment / Grade

Retention (pcf)

Typical Unit Size

Lengths

Stocked

2x4

CA-C .15 (Above Ground)

0.15

294 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x6

CA-C .25 (Ground Contact)

0.25

189 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x8

CA-C .25 (Ground Contact)

0.25

294 pc. units

12’, 16’

✅ Stocked

2x10

CA-C .31 (Below Grade)

0.31

105 pc. units

12’, 16’

✅ Stocked

2x12

CA-C .31 (Below Grade)

0.31

84 pc. units

12’, 16’

✅ Stocked

4x4

CA-C .25 (Ground Contact)

0.25

42 pc. units

8’, 10’, 12’, 16’

✅ Stocked

6x6

CA-C .31 (Below Grade)

0.31

21 pc. units

8’, 10’, 12’, 16’

✅ Stocked

Contact Us

Check Stock

Dimensional Lumber

Structural reliability starts with the right lumber. Capital Lumber supplies a complete selection of dimensional lumber for framing, exterior, and structural applications, stocked for consistency and jobsite efficiency. From Doug Fir and Larch framing to pressure treated options for ground contact, materials are available by the board or in full units, with common sizes and longer lengths ready for pickup or delivery. Backed by knowledgeable staff and logistics built for builders, Capital Lumber helps keep projects moving without delays or substitutions.

  • Bright coastal living room with soft natural light, stone flooring, neutral furnishings, and floor-to-ceiling glass opening to an outdoor patio.

    Doug Fir & Larch Framing

    Reliable framing lumber for structural builds, including Doug Fir and Larch, stocked for consistency and strength. Available by individual board or in full units, with common dimensions and lengths ready for pickup or delivery when timing matters.

  • Flat-lay of curated material samples including stone tiles, textured fabrics, ceramics, and botanicals arranged on a neutral surface.

    Pressure Treated Lumber

    Designed for ground contact and exterior durability, pressure treated lumber is treated with CA-C preservatives for long-term performance. Stocked in common sizes and lengths, by the board or by the unit, for decks, posts, and structural outdoor applications.

  • Macro photograph of light, textured wool fabric with soft shadows highlighting the natural fibers.

    Dimensional Sizes & Lengths

    Common dimensional sizes kept in steady rotation, from 2x4 through 2x12 in multiple lengths. Ideal for builders who need predictable stock, fast pulls, and minimal substitutions on active job sites.

  • Interior of a warm, modern café rendered in line-art style with high ceilings, pendant lighting, and wood and metal furnishings.

    Units & Bulk Orders

    Full units available for larger builds and repeat projects, helping maintain consistency and reduce jobsite delays. Handled with dedicated delivery equipment and longer-length capabilities most suppliers can’t support.

Overview

Doug Fir/Larch Framing

We do not sort boards for appearance, but we ensure every board meets structural and quality standards. Lumber is a natural product, so variation is expected — but we never sell unusable stock.

Dimension

Grade

Typical Unit Size

Lengths

Stocked

2x4

#1

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x6

2&Btr

189 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2x8

2&Btr

294 pc. units

8' - lO' - l2' - 14' - 16'

✅ Stocked

2xIO

Select Struct

105 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

✅ Stocked

2x12

Select Struct

84 pc. units

6' - 20' + Cut Pieces 8' - 1O' - 12'

⌛ 1-2 day transit

Pressure Treated Lumber

All pressure-treated stock is Douglas Fir, treated for ground contact or below-grade use.
Available in standard dimensional sizes — 2x, 4x, and 6x — using CA-C (Copper Azole) preservatives.

Dimension

Treatment / Grade

Retention (pcf)

Typical Unit Size

Lengths

Stocked

2x4

CA-C .15 (Above Ground)

0.15

294 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x6

CA-C .25 (Ground Contact)

0.25

189 pc. units

8’, 10’, 12’, 16’

✅ Stocked

2x8

CA-C .25 (Ground Contact)

0.25

294 pc. units

12’, 16’

✅ Stocked

2x10

CA-C .31 (Below Grade)

0.31

105 pc. units

12’, 16’

✅ Stocked

2x12

CA-C .31 (Below Grade)

0.31

84 pc. units

12’, 16’

✅ Stocked

4x4

CA-C .25 (Ground Contact)

0.25

42 pc. units

8’, 10’, 12’, 16’

✅ Stocked

6x6

CA-C .31 (Below Grade)

0.31

21 pc. units

8’, 10’, 12’, 16’

✅ Stocked

Contact Us

Check Stock

Shop More Products

Shop More Products

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

Assorted trim and moulding boards in MDF, oak, and pine — showing baseboard and casing profiles used for interior finishing.

Trim & Millwork

Assorted trim and moulding boards in MDF, oak, and pine — showing baseboard and casing profiles used for interior finishing.

Trim & Millwork

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

A background image of pine wood.

  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

A background image of pine wood.

  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

A background image of pine wood.

  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·