Hardwood Flooring Guides and Contacts
Guidelines, Standards & White Papers on Production, Specification, Installation, Maintenance, and Claims
Hardwood flooring is a timeless and durable choice for residential and commercial spaces. Its natural beauty and long-term performance depend on adherence to technical standards throughout its lifecycle—from manufacturing and specification to installation, maintenance, and claims resolution.
This resource compiles authoritative technical information and white papers from flooring research agencies, manufacturers, industry associations, government bodies, and flooring experts. Whether you’re a specifier, installer, inspector, or consumer, these links and guidelines offer essential insights for informed decision-making.
Manufacturing Standards & Specifications
- NWFA/NOFMA Manufacturing Standards – Grade, configuration, and inspection protocols
- NWFA Technical Standards Overview – Definitions and benchmarks for hardwood flooring
- U.S. Forest Products Laboratory – Government research on wood durability and testing
Specification & Product Selection
- NWFA Guidelines – Product classification and procurement standards
- Architectural Woodwork Institute (AWI) – Specification standards for architectural woodwork
- Forest Stewardship Council (FSC) – Certification for responsibly sourced hardwood
Installation Guidelines
- NWFA Installation Guidelines PDF – Acclimation, moisture testing, layout, fastening, radiant heat
- Canadian Wood Flooring Association (CWFA) – Regional standards for Canadian climates
- International Code Council (ICC) – Building codes relevant to flooring installation
Maintenance & Care
- NWFA Maintenance Guidelines – Cleaning, refinishing, and climate control
- Bona Wood Floor Maintenance Tips – Manufacturer-specific care instructions
- EPA Indoor Air Quality – Maintaining healthy environments with wood flooring
Claims, Inspection & Dispute Resolution
- NWFA Inspector Guidelines – Evaluation and documentation protocols
- TW Group Inspections – Independent inspection services
- ASTM International – Testing and performance standards
Industry Associations & Resources
| Organization | Focus Area | Link |
|---|---|---|
| NWFA | Standards, training, certification | nwfa.org |
| NOFMA | Manufacturing certification | NOFMA Standards |
| FSC | Sustainable sourcing | fsc.org |
| AWI | Architectural woodwork standards | awinet.org |
| ASTM | Testing and performance standards | astm.org |
| FPL | Government research | fpl.fs.usda.gov |
Grading of Hardwood Flooring Material
White Oak Plank Flooring Grading Rules
Unfinished Walnut Plank Flooring Grading
Guide to Grading of Hardwood Flooring
Moisture Related
Floors above Crawl Spaces: Reducing the Risk of Moisture Accumulation within Wood Floor Assemblies
Seasonal Cupping of Hardwood Floors
Hardwood Flooring Installation
Proper Selection of APA Graded Plywood Underlayment
Selection, Preparation and Installation of Plywood Underlayment
NWFA Sand and Finish Guidelines
Hardwood Flooring Problems and Cures
NWFA/NOFMA International Standards for Unfinished Solid Wood Flooring
Factory Finished Wood Flooring Standards
Problems, Causes and Methods of Correction
Need further assistance? Perhaps you have a flooring claim. TW Group, providers of this website are among the nations most trusted flooring inspectors. There company has been serving Oregon and Washington since 1990. They also provide their inspection service to other areas upon request. Commercial or Residential, they are available to assist.
