The National Wood Flooring Association (NWFA) offers some incredible resources for the hardwood flooring industry.
– Real Wood. Real Life. – The Homeowner’s Handbook to Real Wood Floors
– Wood Species Used in Wood Flooring
– Grading Guidelines for Solid Unfinished Wood Flooring
– Moisture and Wood Technical Publication
– Problems Causes and Cures of Hardwood Floors
– Maintenance and Recoating of Hardwood Floors