Dimensional Lumber

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

Suppliers

Interfor

RSG Forest Products

Contact Us

Check Stock

Indoor lumber racks at Capital Lumber Boise displaying pine, cedar, and MDF trim boards organized by size.
Cedar dimensional lumber including 2×4 and 2×6 boards neatly stacked on warehouse shelving.
Outdoor inventory of Allweather Wood pressure-treated lumber and Idaho Forest Group framing stock stored at Capital Lumber’s yard.

Dimensional Lumber

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

Suppliers

Interfor

RSG Forest Products

Contact Us

Check Stock

Indoor lumber racks at Capital Lumber Boise displaying pine, cedar, and MDF trim boards organized by size.
Cedar dimensional lumber including 2×4 and 2×6 boards neatly stacked on warehouse shelving.
Outdoor inventory of Allweather Wood pressure-treated lumber and Idaho Forest Group framing stock stored at Capital Lumber’s yard.

Dimensional Lumber

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

Suppliers

Interfor

RSG Forest Products

Contact Us

Check Stock

Indoor lumber racks at Capital Lumber Boise displaying pine, cedar, and MDF trim boards organized by size.
Cedar dimensional lumber including 2×4 and 2×6 boards neatly stacked on warehouse shelving.
Outdoor inventory of Allweather Wood pressure-treated lumber and Idaho Forest Group framing stock stored at Capital Lumber’s yard.

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

    ·