Douglas fir, pressure-treated, redwood, and cedar posts and timbers in a studio material display

02

Posts & Timbers

Posts & Timbers

Posts & Timbers

Structural posts and heavy timber for exposed work.

Structural posts and heavy timber for exposed work.

02

Posts & Timbers

Match section, species, treatment, and exposure.

Posts and timbers become difficult to substitute once the structure is laid out, so confirm the whole section before ordering. Douglas Fir and Cedar posts and timbers can be ordered resawn or rough sawn; confirm finish and lead time with the yard.

DETAIL

DETAIL

CONFIRM

CONFIRM

WHY IT MATTERS

WHY IT MATTERS

NEXT STEP

NEXT STEP

USE / SUPPORT

USE / SUPPORT

USE / SUPPORT

LOAD + LOCATION

LOAD + LOCATION

LOAD + LOCATION

NARROWS SPECIES

NARROWS SPECIES

NARROWS SPECIES

SEND THE PLAN

SEND THE PLAN

SEND THE PLAN

SIZE / LENGTH

SIZE / LENGTH

SIZE / LENGTH

NOMINAL + ACTUAL

NOMINAL + ACTUAL

NOMINAL + ACTUAL

SETS SPAN + FIT

SETS SPAN + FIT

SETS SPAN + FIT

VERIFY CUT LIST

VERIFY CUT LIST

VERIFY CUT LIST

GRADE / TREATMENT

GRADE / TREATMENT

GRADE / TREATMENT

GROUND / WEATHER

GROUND / WEATHER

GROUND / WEATHER

SETS SERVICE LIFE

SETS SERVICE LIFE

SETS SERVICE LIFE

ASK THE YARD

ASK THE YARD

ASK THE YARD

QUANTITY

QUANTITY

QUANTITY

PIECES / LENGTHS

PIECES / LENGTHS

PIECES / LENGTHS

PLANS HANDLING

PLANS HANDLING

PLANS HANDLING

INCLUDE HARDWARE

INCLUDE HARDWARE

INCLUDE HARDWARE

TIMING

TIMING

TIMING

STOCK / SPECIAL

STOCK / SPECIAL

STOCK / SPECIAL

COORDINATES EQUIPMENT

COORDINATES EQUIPMENT

COORDINATES EQUIPMENT

SET DELIVERY

SET DELIVERY

SET DELIVERY

NEED HELP SIZING THE POST OR TIMBER? TALK TO THE YARD →

NEED HELP SIZING THE POST OR TIMBER? TALK TO THE YARD →

Posts & Timbers

Compare exact products

Compare exact products

4x4 - Douglas Fir Post — #1 FOHC/FOW Appearance Douglas Fir available from Capital Lumber in Boise, Idaho

4x4 - Douglas Fir Post

Standard & Better / #1 FOHC/FOW

A 4×4 Douglas Fir post is a compact structural member for bracing, shop projects, interior supports, and assemblies designed around a 4-inch post. Stock includes framing and appearance grades. Natural Douglas Fir is not pressure-treated; confirm engineering, protection, and code requirements before exterior use. Stocked for in-store pickup.

8' | 10'

6x6 - Douglas Fir Post — #1 FOHC Appearance Douglas Fir available from Capital Lumber in Boise, Idaho

6x6 - Douglas Fir Post

Standard & Better / #1 FOHC

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.

8′ | 10′

4x6 - Pressure-Treated Douglas Fir — Standard & Better Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

4x6 - Pressure-Treated Douglas Fir

Standard & Better

Pressure-treated Douglas Fir timber for structural outdoor construction, ground-contact applications, posts, beams, and heavy framing.

10' | 16' typical

4x8 - Pressure-Treated Douglas Fir — Standard & Better Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

4x8 - Pressure-Treated Douglas Fir

Standard & Better

Heavy pressure-treated Douglas Fir timber for exterior structural framing, beams, retaining applications, and demanding outdoor projects.

10' | 16' typical

6x8 - Pressure-Treated Douglas Fir — Standard & Better Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

6x8 - Pressure-Treated Douglas Fir

Standard & Better

Large pressure-treated Douglas Fir timber for heavy structural, outdoor, and ground-contact construction.

10' | 16' typical

8x8 - Appearance-Grade Douglas Fir Timber — #1 FOHC/FOW Appearance Douglas Fir available from Capital Lumber in Boise, Idaho

8x8 - Douglas Fir Timber

Appearance

Large appearance-grade Douglas Fir timber selected for exposed architectural and structural applications.

Varies

6x12 - Appearance-Grade Douglas Fir Timber — #1 FOHC/FOW Appearance Douglas Fir available from Capital Lumber in Boise, Idaho

6x12 - Douglas Fir Timber

Appearance

Broad appearance-grade Douglas Fir timber for exposed beams and custom architectural structures.

Varies

4×4 - Redwood Post — Common Heart Redwood available from Capital Lumber in Boise, Idaho

4×4 - Redwood Post

Common / Heart

Suitable for deck supports, fences, pergolas, railings, and exterior structures. Natural redwood provides attractive grain and dependable outdoor performance. Full-project quantities may require a 2–6 week lead time. Individual posts are stocked for in-store pickup.

8' | 10'

4x4 - Cedar Post — Post Grade Cedar available from Capital Lumber in Boise, Idaho

4x4 - Cedar Post

Post Grade / Standard & Better

A 4×4 cedar post is a natural choice for fence corners, gates, garden structures, small pergolas, and exposed outdoor supports. The square profile balances workable size with the visual weight of a true post. Stocked for in-store pickup; confirm grade, footing, fasteners, and structural requirements before building.

8' | 10'

4x6 - Cedar Timber — Appearance Cedar available from Capital Lumber in Boise, Idaho

4x6 - Cedar Timber

Appearance

Natural appearance-grade Cedar timber for visible outdoor structures and decorative architectural applications.

Varies

6x6 - Cedar Timber — Post Grade Cedar available from Capital Lumber in Boise, Idaho

6x6 - Cedar Post

Post Grade · Rough

The rough 6×6 cedar timber gives pergolas, entry structures, fences, and landscape features a heavier, more tactile post. Its rough surface and natural cedar character are intended to remain visible. Available to order in 8′ and 10′ lengths; confirm current lead time, grade, and structural requirements with the yard.

8′ | 10′

6x10 - Cedar Timber — Appearance Cedar available from Capital Lumber in Boise, Idaho

6x10 - Cedar Timber

Appearance

Large appearance-grade Cedar timber for exposed beams and custom outdoor architectural projects.

Varies

6x12 - Cedar Timber — Appearance Cedar available from Capital Lumber in Boise, Idaho

6x12 - Cedar Timber

Appearance

Oversized appearance-grade Cedar timber for prominent exposed beams and custom architectural construction.

Varies

8x8 - Pressure-Treated Douglas Fir — Standard & Better Pressure-Treated Douglas Fir available from Capital Lumber in Boise, Idaho

8x8 - Pressure-Treated Douglas Fir

Standard & Better

Heavy pressure-treated Douglas Fir timber for structural supports, outdoor construction, and ground-contact applications.

Varies

SPECIFICATION HELP

Not sure what

to specify?

Not sure what

to specify?

Not sure what

to specify?

Start with the conditions, not the brand. The yard can narrow the products from there.

Start with the conditions, not the brand. The yard can narrow the products from there.

Start with the conditions, not the brand. The yard can narrow the products from there.

01 / APPLICATION

Where it will be installed, what it supports, and how it will be exposed narrow the right product.

02 / SPECIFICATION

Nominal size, actual dimensions, grade, treatment, span, and code requirements should match the plan.

03 / LOGISTICS

Quantity, lead time, pickup, delivery access, and job sequence determine how the order should be staged.

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