Allweather Wood preservative treated lumber is as strong as it is versatile. No matter what you’re building, it’s going to have to face the natural elements. It’s a non-stop, never-ending battle against decay, fire, mold, and termites. It takes a special kind of lumber to stand up to this onslaught and win. It takes Allweather Wood preservative treated lumber, ready for whatever nature brings your way. 

Allweather Wood lumber is available in a range of species and preservative treatments for a wide range of commercial and residential applications. And, because the preservative treatment process extends the useful life of wood, structures made with Allweather Wood lumber remain in service for many years. 

above ground

Above Ground

Allweather Wood above ground preservative treated lumber may be used for a wide range of end use applications fully protected from the weather.

  • Beams
  • Deck boards and rails
  • Fascia and trim
  • Interior framing
  • Joists
  • Porch flooring
  • Rafters
  • Roof trusses
  • Sill plate
  • Studs

Please Contact Us to learn more.

Ground Contact

Allweather Wood ground contact preservative treated lumber digs deep for long-lasting performance. Best for building applications that require contact with the ground, such as burying posts in soil or setting them in concrete. Other ground contact applications may include:

  • Deck posts and substructure
  • Garden edging
  • Landscaping structures
  • Retaining walls
  • Structural lumber
  • Structural posts
  • Walkways
  • Wood foundations

Allweather Wood ground contact preservative treated lumber meets requirements of model building codes for many applications and is treated to the standards of the American Wood Protection Association (AWPA). Please Contact Us to learn more.

ground contact
fire retardant treated

Fire Retardant Treated

Allweather Wood fire retardant treated lumber (D-Blaze® preservative) is highly effective at controlling the spread of flame and smoke, increasing evacuation time and potentially reducing damages and repair costs caused by fire. Tested and listed by Underwriters Laboratories® (UL® and ULC®), the product meets the requirements of construction materials as set forth in all North American building codes. During the code required 30-minute flame and smoke test; UL 723 (ASTM E84), fire retardant treated lumber (and plywood) shows no evidence of significant progressive combustion.

Allweather Wood fire retardant treated lumber can be used in the following applications: 

  • Beams
  • Blocking
  • Floor joists
  • Roofs and attics
  • Steps and stairways
  • Walls and wall assemblies

Allweather Wood fire retardant treated lumber (and plywood) is backed by a 50-Year Limited Warranty and is acceptable for use in sensitive environments such as schools, healthcare facilities, hotels, and multi-family construction projects. D-Blaze received GREENGUARD® Gold certification for meeting some of the world’s most comprehensive standards for low emissions of volatile organic compounds (VOCs) into indoor air.

To help you choose between the different options for interior rated FRTW products, we have provided a helpful Comparison Chart. Please Contact Us to learn more.

Superior KDAT

Low humidity climates in Colorado, New Mexico, and Wyoming present challenges to products used in exterior applications. 

Superior KDAT by Allweather Wood starts with high grade lumber selected for appearance and low wane. Graded by a patented, computerized system, Superior KDAT lumber is manufactured to remain consistent and predictable. Each board is stamped with an arrow indicating the direction the board may crown, allowing builders, contractors, homeowners, and others to build with confidence.

Why choose Superior KDAT by Allweather Wood? 

  • Reduced crowning and joists that crown in opposite directions
  • Minimized length and width shrinkage
  • Joists pulling away from the house or other structure
  • Significantly lighter and easier to handle than regular preservative treated lumber
  • Covered by a Limited Six-Month Consumer Warranty

Please Contact Us to learn more.