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 family
- KLAASWOOD
- Collection
- Decking
- Type
- Object (single object)
- Date of publishing
- 2026-06-03
- Edition number
- 1
Related
- Main material
- Thermally Modified Wood
- Designed in
- United States
- Manufactured in
- United States
Classification
- BIMobject category
- Construction - Wood Decking
- CSI MasterFormat 2014 code
- 06 15 00
- CSI MasterFormat 2014 title
- Wood Decking