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Color Options

  • ProWood Pressure Treated Swatch

    Pressure Treated

  • ProWood Redwood Tone Swatch

    Redwood Tone

  • ProWood Cedar Tone Swatch

    Cedar Tone

  • ProWood Redwood Tone Swatch

    Walnut Tone

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Certifications & Features



ProWood Color Treated Brochure

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ProWood Pressure Treated Brochure

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14127_ProWoodKDATbrochure_0322_LR (1)

Kiln Dried Brochure

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ProWood Builder and Spec Guide

652 KB

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Staining & Sealing ProWood Treated Lumber

134 KB

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ProWood Pressure-Treated Maintenance Plan

110 KB

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  • When should I apply wood sealer to pressure-treated lumber decking?

    Climate change will affect when and how often wood sealer needs to be applied. To maximize surface protection and to keep your deck looking good, apply a quality wood sealant that contains an ultraviolet stabilizer.

    Know when to apply a wood sealer by dripping water onto the deck surface. If the water quickly absorbs into the wood it's time to apply a wood sealer — If the water droplets bead up, your deck is protected. Be sure to test annually.

  • Is ProWood pressure-treated wood Building Code approved?
    You should always consult your local building codes before application. When working with ProWood pressure-treated decking, lumber and timbers, you'll want to locate the double box symbol on the end tag. The double-box symbol is required for building code compliance; indicating the standard authority and the third party inspection agencies. Generally, ProWood decking, lumber and timber products will carry the double box symbol demonstrating that they are code compliant when used in the right application.
  • Is it okay to install an under-deck ceiling system to my elevated wood deck?
    If you intend to install an under-deck ceiling system, UFP’s general guidance is that the homeowner/builder must ensure that the ceiling system is well ventilated, drainage systems have proper slope and the system prevents debris from accumulating. The homeowner must use building code compliant ground-contact treated materials (UC4A) for all parts of the structure, including the decking. Systems with poor ventilation (or no ventilation) should not be used, as even ground-contact pressure-treated lumber may not provide adequate service life.
  • Should I space my pressure-treated deck boards during installation?

    Ultimately, your deck boards should have an edge gap between ¼ inch and ⅜ inch to allow for proper ventilation and for debris to pass through. However, most pressure-treated lumber decking that is sold through lumberyards and box retailers has high moisture content (meaning it’s wet) — so the boards are swollen. Always butt wet boards tight against each other or leave a minimal gap. Your wet deck boards will contract and create a wider gap as they dry. This could happen in a relatively short period of time (days to weeks) or may take longer depending on your climate and exposure to the sun. If the wood is dry or has been kiln dried, such as ProWood KDAT, install deck boards with approximately ¼ inch gap to allow for proper ventilation and for debris to pass through.

    Wet or dry, boards should be installed tight end-to-end.

    Note: Each piece of lumber is different and the change in width can vary as each board dries.

  • Why use ProWood pressure-treated lumber?
    Lumber's greatest enemy is biological attack — destruction by termites, fungi and marine borers — as well as damage from rain, sun and wind. Thanks to over 50 years of research, ProWood can stand up to every threat for decades of use.
  • What preservatives are used for pressure treating ProWood and how long are they effective?
    For a long time, CCA (Chromated Copper Arsenate) was the primary wood preservative. CCA-treated wood protects against all major forms of destructive attack and is effective for many years. More recently, preservative manufacturers switched to ACQ (Alkaline Copper Quaternary). ACQ is also effective for decades, reducing demands on forest resources. Another common preservative is a solution containing natural, environmentally safe mineral salts called borates. Borate lumber has a powerful barrier against termites — even the extremely destructive Formosan termite. The new generation of pressure-treated wood uses micronized copper as a preservative. This method enables ProWood to stand up against termite damage and fungal decay.



ProWood Color Treated Limited Warranty

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ProWood Lifetime Limited Warranty

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ProWood Safe Handling Information

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