Posts & Timbers

6x6 - Douglas Fir Post

6x6 - Douglas Fir Post

6x6 Douglas Fir Post with a clean natural contact shadow, available from Capital Lumber in Boise, Idaho
6x6 Douglas Fir Post with a clean natural contact shadow, available from Capital Lumber in Boise, Idaho

A 6×6 Douglas Fir post brings more section depth to columns, pergola frames, heavy supports, timber details, and structural work designed for a larger member. Stock includes Standard & Better and #1 FOHC options. Natural Douglas Fir is not pressure-treated; confirm engineering and exterior protection with the yard. Stocked for in-store pickup.

A 6×6 Douglas Fir post brings more section depth to columns, pergola frames, heavy supports, timber details, and structural work designed for a larger member. Stock includes Standard & Better and #1 FOHC options. Natural Douglas Fir is not pressure-treated; confirm engineering and exterior protection with the yard. Stocked for in-store pickup.

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

6x6 Douglas Fir Post with a clean natural contact shadow, 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′

1548

1548

6X6-8' #1 S4S FOH/W FIR

6X6-8' #1 S4S FOH/W FIR

In Stock

In Stock

8′

8′

136

136

6X6-8 #2&BTR S4S FIR GR

6X6-8 #2&BTR S4S FIR GR

In Stock

In Stock

10′

10′

1558

1558

6X6-10' #1 S4S FOH/W FIR

6X6-10' #1 S4S FOH/W FIR

In Stock

In Stock

10′

10′

137

137

6X6-10 #2&BTR S4S FIR GR

6X6-10 #2&BTR S4S FIR GR

In Stock

In Stock

PRODUCT SPECIFICATIONS

PRODUCT SPECIFICATIONS

COMMON SIZE

8′ | 10′

8′ | 10′

Additional sizes or options may be available.

Additional sizes or options may be available.

MATERIAL

Natural Douglas Fir · Standard & Better / #1 FOHC

Natural Douglas Fir · Standard & Better / #1 FOHC

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

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

SURFACE OPTIONS

Resawn | Rough Sawn

Resawn | Rough Sawn

Confirm the surface, quantity, and lead time with the yard.

Confirm the surface, quantity, and lead time with the yard.

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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