Posts & Timbers

Overview

Capital Lumber carries a large inventory of pressure-treated posts and timbers from Allweather Wood, designed for long-term durability in outdoor construction. These timbers are treated for ground contact and above-ground applications, making them ideal for fences, decks, pergolas, barns, and large-scale framing projects.
Stocked locally in job-ready sizes, with custom orders available for specialty dimensions or treatment levels.

Product Summary

Product

Grade

Typical Unit Size

Stocking Lengths

Notes

4x4 Fir Post

Standard & Better / #1 FOHC

35 pc. units

8' / 10'

Treated for ground contact, ideal for fence posts

6x6 Fir Post

Standard & Better / #1 FOHC

16 pc. units

16' / 20' + cut pieces (8'–12')

Heavy-duty posts and supports

8x8 & 6x12 Timbers

Standard & Better

Variable

16' typical

Large-scale structural or decorative use

Custom Orders

Varies

Specialty sizes and treatment types available upon request

Additional Info

  • All products are pressure-treated Douglas Fir, compliant with CA-C .31 or CA-C.T5 treatment standards

  • Designed for ground contact, foundation posts, and outdoor framing

  • Brown and green tint indicates protective treatment penetration

  • Pickup and local delivery available throughout the Treasure Valley

Suppliers

Allweather Wood – Pressure-treated Douglas Fir timbers and posts

Treated to CA-C (Copper Azole) standards for ground contact or below-grade use

Contact Us
Stacks of Allweather Wood pressure-treated posts stored outdoors at Capital Lumber in Boise.
Timber frame structure under construction showing interlocking wood beams and posts.
Forklift moving large cedar timbers inside Capital Lumber’s warehouse.

Posts & Timbers

Overview

Capital Lumber carries a large inventory of pressure-treated posts and timbers from Allweather Wood, designed for long-term durability in outdoor construction. These timbers are treated for ground contact and above-ground applications, making them ideal for fences, decks, pergolas, barns, and large-scale framing projects.
Stocked locally in job-ready sizes, with custom orders available for specialty dimensions or treatment levels.

Product Summary

Product

Grade

Typical Unit Size

Stocking Lengths

Notes

4x4 Fir Post

Standard & Better / #1 FOHC

35 pc. units

8' / 10'

Treated for ground contact, ideal for fence posts

6x6 Fir Post

Standard & Better / #1 FOHC

16 pc. units

16' / 20' + cut pieces (8'–12')

Heavy-duty posts and supports

8x8 & 6x12 Timbers

Standard & Better

Variable

16' typical

Large-scale structural or decorative use

Custom Orders

Varies

Specialty sizes and treatment types available upon request

Additional Info

  • All products are pressure-treated Douglas Fir, compliant with CA-C .31 or CA-C.T5 treatment standards

  • Designed for ground contact, foundation posts, and outdoor framing

  • Brown and green tint indicates protective treatment penetration

  • Pickup and local delivery available throughout the Treasure Valley

Suppliers

Allweather Wood – Pressure-treated Douglas Fir timbers and posts

Treated to CA-C (Copper Azole) standards for ground contact or below-grade use

Contact Us
Stacks of Allweather Wood pressure-treated posts stored outdoors at Capital Lumber in Boise.
Timber frame structure under construction showing interlocking wood beams and posts.
Forklift moving large cedar timbers inside Capital Lumber’s warehouse.

Posts & Timbers

Overview

Capital Lumber carries a large inventory of pressure-treated posts and timbers from Allweather Wood, designed for long-term durability in outdoor construction. These timbers are treated for ground contact and above-ground applications, making them ideal for fences, decks, pergolas, barns, and large-scale framing projects.
Stocked locally in job-ready sizes, with custom orders available for specialty dimensions or treatment levels.

Product Summary

Product

Grade

Typical Unit Size

Stocking Lengths

Notes

4x4 Fir Post

Standard & Better / #1 FOHC

35 pc. units

8' / 10'

Treated for ground contact, ideal for fence posts

6x6 Fir Post

Standard & Better / #1 FOHC

16 pc. units

16' / 20' + cut pieces (8'–12')

Heavy-duty posts and supports

8x8 & 6x12 Timbers

Standard & Better

Variable

16' typical

Large-scale structural or decorative use

Custom Orders

Varies

Specialty sizes and treatment types available upon request

Additional Info

  • All products are pressure-treated Douglas Fir, compliant with CA-C .31 or CA-C.T5 treatment standards

  • Designed for ground contact, foundation posts, and outdoor framing

  • Brown and green tint indicates protective treatment penetration

  • Pickup and local delivery available throughout the Treasure Valley

Suppliers

Allweather Wood – Pressure-treated Douglas Fir timbers and posts

Treated to CA-C (Copper Azole) standards for ground contact or below-grade use

Contact Us
Stacks of Allweather Wood pressure-treated posts stored outdoors at Capital Lumber in Boise.
Timber frame structure under construction showing interlocking wood beams and posts.
Forklift moving large cedar timbers inside Capital Lumber’s warehouse.
A background image of pine wood.
  • Capital Lumber Co.

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    Locally Owned

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    Northend

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    Capital Lumber Co.

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    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

    ·