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KLAASWOOD Vertical Grain Decking
KLAASWOOD Vertical Grain Decking
    Klaaswood

    KLAASWOOD Vertical Grain Decking

    AESTHETIC EXCELLENCE MEETS CLASS 1 DURABILITY

    KLAASWOOD Modified Vertical Grain Southern Yellow Pine is a premium quartersawn product curated to meet the aesthetic desires of architects, designers, and homeowners while offering natural enhanced stability and exceptional performance. 

    The quartersawn cut produces a uniform pinstripe grain appearance prized in high-end residential and commercial projects. When combined with KLAASWOOD’s modification process, the result is a product that delivers superior dimensional stability, Class 1 durability, achieving a 25+ year lifespan, and the refined aesthetic demanded by today’s design professionals.

    KEY BENEFITS:

    • Aesthetic Appeal
      • Uniform pinstripe grain appearance from quartersawn cutting
      • Clean, consistent visual presentation valued by architects and designers 
      • Accepts paint, stain, and color finishes for design flexibility
    • Enhanced Stability
      • Natural dimensional stability from quartersawn orientation 
      • Further improved through KLAASWOOD’s modification process
      • Reduced warping, cupping, and twisting compared to flat-sawn lumber
    • Class 1 Durability
      • Achieves 25+ year lifespan without chemical treatments
      • Modified to resist rot and decay
      • Suitable for exterior applications in demanding environments
    • Made in USA
      • Sourced, modified, and manufactured domestically
      • Supports American forestry and manufacturing\
      • Consistent quality and supply chain reliability

    APPLICATIONS:

    • Exterior siding for residential and commercial
      projects
    • Trim and fascia for architectural detailing
    • Premium decking for outdoor living spaces
    • Interior accent walls and ceilings
    • Specialty millwork and custom applications
    Specification
    • AVAILABLE PROFILES:

      Siding:

      • 1x4
      • 1x6
      • 1x8

      Decking:

      • 2x6

      Trim:

      • 5/4x4
      • 5/4x6
      • 5/4x8

      Species: Southern Yellow Pine (Quartersawn)

      Durability Class: Class 1 (25+ year lifespan)

      Modification Process: KLAASWOOD Hydrolysis Modification Process

      Finish Compatibility: Accepts paint, stain, and color finishes

      Origin: Sourced, modified & made in the USA


      APPLICATIONS:

      • Exterior siding for residential and commercial projects
      • Trim and fascia for architectural detailing
      • Premium decking for outdoor living spaces
      • Interior accent walls and ceilings
      • Specialty millwork and custom applications
    Technical specification
    • Unique ref.klaaswood-vertical-grain-decking
    • Product familyKLAASWOOD
    • Product groupDecking
    • TypeObject (single object)
    • Date of publishing2026-06-03
    • Edition number1
    Related
    • Material mainThermally Modified Wood
    • Designed inUnited States
    • Manufactured inUnited States
    Classification
    • BIMobject CategoryConstruction - Wood Decking
    • CSI MasterFormat 2014 Code06 15 00
    • CSI MasterFormat 2014 TitleWood Decking

    Region availability

    North America
    Anguilla
    Antigua and Barbuda
    Aruba
    Barbados
    Belize
    Bermuda
    British Virgin Islands
    Canada
    Caribbean Netherlands
    Cayman Islands
    Collectivity of Saint Martin
    Costa Rica
    Cuba
    Curaçao
    Dominica
    Dominican Republic
    El Salvador
    Greenland
    Grenada
    Guadeloupe
    Guatemala
    Haiti
    Honduras
    Jamaica
    Martinique
    Mexico
    Montserrat
    Nicaragua
    Panama
    Puerto Rico
    Saint Kitts and Nevis
    Saint Lucia
    Saint Pierre and Miquelon
    Saint Vincent and the Grenadines
    Saint-Barthélemy
    Sint Maarten
    The Bahamas
    Trinidad and Tobago
    Turks and Caicos Islands
    U.S. Virgin Islands
    United States
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