Drying Hardwood Lumber (USDA)
By Joseph Denig, Eugene M. Wengert and William T. Simpson
Focuses on common methods for drying lumber of different thickness, with minimal drying defects,
for high quality applications.
Grading Rules Standard Chart
Vinyl wall chart is a quick reference guide for the NHLA standard grades. Measuring approximately 40 W x 24.5 H
Grading Rules Standard Chart - Large Size
Vinyl wall chart is a quick reference guide for the NHLA standard grades. Measuring approximately 68 W x 38 H
Introduction to Grading: The purpose of this publication is to acquaint the reader with the basics of grading hardwood lumber. Provides general framework for understanding lumber grading rules.
Scaling Rule Measures Board Feet Content of Lumber
Four-Line Lumber Scaling Rule, made of flexible split hickory shafts, is covered with two coats of polyurethane plastic
4-line ruler with straight head 1" x 36"
Four line configuration with 9'11'13'15' on one side 12'10'14'16 on the other side.
Wooden holder with 5/8" hardwood dowel extension to 36"
The NHLA Buyer’s Guide is a membership directory that lists all NHLA members and provides contact by company name and type of service for easy reference, along with products produced and types of services offered.
The 2019 edition of the NHLA Rules for the Measurement & Inspection of Hardwood & Cypress
Effective January 1, 2019.
The 2019 French edition of the NHLA Rules for the Measurement & Inspection of Hardwood & Cypress
Effective January 1, 2019.
NHLA Rules Book 2019 Mandarin Edition
2019 NHLA Rules Book, Spanish Edition
Sawing, Edging and Trimming Hardwood Lumber - Putting Theory Into Practice
By Joe Denig and Gene Wengert
Lumber Grading Training Manual
This manual is designed to supplement the hands-on instruction of the 8-week course in lumber grading, taught on a vocational level, at the NHLA Inspector Training School in Memphis, TN.
Join NHLA and Chad F. Niman for this one-hour event as we discuss desirable species, species variations and log quality requirements that make a good grade tie.
Discover when and where most quality issues begin and solutions to protect the investment of your hard maple resource.
Watch and discover when and where most quality issues begin when drying oak.
During this webinar many different gluing and glue joint defects are illustrated, and cures discussed.
Dr. Gene Wengert identifies the causes and cures for machining defects, including sanding issues.
Dr. Gene Wengert discusses, in detail, ten major factors of rough mill yield and provides many practical ideas for yield improvement.
Dr. Gene Wengert presents guidelines for edging operations that will increase the operator's performance to 92% of perfect or even better.
Ever changing hardwood log prices can affect your bottom line. But what if, there was a way to identify the true value of the log and realize the profit potential? Join NHLA Chief Inspector, Dana Spessert, Ed Thomas of the U.S Forest Service and Urs Buehlman of Virginia Tech for a discussion on hardwood profit recovery.
What you’ll learn:
* How to determine which log size and species are best suited for your sawmill production.
* How to predict outcomes.
* Are you paying too much for your logs?
* What area should you be monitoring in the sawmill.
Gene discusses practical techniques for shortening kiln to drying time as well as kiln start-up conditions after air drying.
Improve the overall quality of your kiln dried lumber and have your specific drying questions answered – lunch is not provided.
Join NHLA and the "Wood Doctor" Gene Wengert for a 4-Part Webinar Series on Drying Hardwood Lumber.
During this webinar, Dr. Wengert discusses stacking best air-drying practices, assessing lumber for sawing issues that affect drying and the story about drying sheds.
© 2019 National Hardwood Lumber Association. All rights reserved.
National Hardwood Lumber Association
Post Office Box 34518
Memphis, TN 38184