Dimensional Lumber

2x4 - Pressure-Treated Douglas Fir

2x4 - Pressure-Treated Douglas Fir

2x4 - Pressure-Treated Douglas Fir — No. 2 & Better, CA-C .15 Ground Contact Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho
2x4 - Pressure-Treated Douglas Fir — No. 2 & Better, CA-C .15 Ground Contact Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

Ground-contact 2×4 treated Douglas Fir is useful for fence rails, deck blocking, small exterior frames, and repairs exposed to recurring moisture or soil-adjacent conditions. Its CA-C .15 treatment is intended for ground-contact service. Stocked for in-store pickup; use compatible fasteners and verify the required use category.

Ground-contact 2×4 treated Douglas Fir is useful for fence rails, deck blocking, small exterior frames, and repairs exposed to recurring moisture or soil-adjacent conditions. Its CA-C .15 treatment is intended for ground-contact service. Stocked for in-store pickup; use compatible fasteners and verify the required use category.

LOCAL PICKUP + JOBSITE DELIVERY

In Stock

Choose a verified size or option below and use its SKU when calling or ordering at the counter.

Choose a verified size or option below and use its SKU when calling or ordering at the counter.

CALL TO CONFIRM

CALL TO CONFIRM

2x4 - Pressure-Treated Douglas Fir — No. 2 & Better, CA-C .15 Ground Contact Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

ORDERING INFORMATION

ORDERING INFORMATION

Choose the verified size or option. Use the SKU at the counter.

Choose the verified size or option. Use the SKU at the counter.

IN STOCK = ON HAND · QUICK ORDER = USUALLY 1–5 DAYS · CUSTOM ORDER = CONFIRM LEAD TIME

IN STOCK = ON HAND

QUICK ORDER = USUALLY 1–5 DAYS

CUSTOM ORDER = CONFIRM LEAD TIME

SIZE / OPTION

SKU

INVENTORY DESCRIPTION

STATUS

8′

8′

5429

5429

2X4-8 D.F. TREATED CAC .15

2X4-8 D.F. TREATED CAC .15

In Stock

In Stock

10′

10′

9193

9193

2X4-10 D.F. TREATED CAC .15

2X4-10 D.F. TREATED CAC .15

In Stock

In Stock

12′

12′

8658

8658

2X4-12 D.F. TREATED CAC .15

2X4-12 D.F. TREATED CAC .15

In Stock

In Stock

16′

16′

6447

6447

2X4-16 D.F. TREATED CAC .15

2X4-16 D.F. TREATED CAC .15

In Stock

In Stock

PRODUCT SPECIFICATIONS

PRODUCT SPECIFICATIONS

COMMON SIZE

8′ | 10′ | 12′ | 16′

8′ | 10′ | 12′ | 16′

Additional sizes or options may be available.

Additional sizes or options may be available.

MATERIAL

Pressure-Treated Douglas Fir · #2 & Better / CA-C .15 Ground Contact · Allweather Wood

Pressure-Treated Douglas Fir · #2 & Better / CA-C .15 Ground Contact · Allweather Wood

Review the exact material, finish, grade, or treatment.

Review the exact material, finish, grade, or treatment.

APPLICATION

General building use

General building use

Suitable detailing and local code still apply.

Suitable detailing and local code still apply.

AVAILABILITY

In Stock

In Stock

Stock and lengths change throughout the week.

Stock and lengths change throughout the week.

BEFORE YOU BUILD

A few useful things to know

before this material leaves the yard.

A few useful things to know before this material leaves the yard.

01 / CONFIRM THE SPEC

Match nominal size, actual dimensions, grade, treatment, exposure, and intended use to the plans.

02 / VERIFY COMPATIBILITY

Confirm fasteners, connectors, adhesives, coatings, and local code requirements for the exact product.

03 / PLAN THE ORDER

Bring dimensions, spans, and finish goals when you call.

NOT SURE WHAT FITS TOGETHER?

Call a material expert with the product reference in hand.

Call a material expert with the product reference in hand.

Tell us what you are building. We can confirm material, fasteners, tools, quantities, pickup, and delivery.

Tell us what you are building. We can confirm material, fasteners, tools, quantities, pickup, and delivery.

Capital Lumber red tree mark and white wordmark.

© 2026 CAPITAL LUMBER CO., INC.

© 2026 CAPITAL LUMBER CO., INC.

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