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This workshop is packed with valuable and important information for kiln operators and managers. The variety and quality of the information make this a must attend event. The workshop will focus on drying systems, controlling lumber quality, species specific drying, wood structure and drying science. Over twenty breakout topics will be covered to help you maintain a successful kiln operation.

This fast-paced workshop will include several lab exercises to apply concepts taught in the classroom.

Who Should Attend?

Kiln Operators, Purchasers, Sales Representatives, Production Supervisors, Plant Managers and others who deal with wood moisture related issues.

Workshop Schedule

Monday, August 10 - Wednesday, August 12, 2020; 8:00 a.m. - 5:00 p.m. and Thursday, August 13, 2020; 8:00 a.m. - 12:00 p.m.

Monday, August 10; 8:00 a.m. – 5:00 p.m.

Wood Structure & Drying Science

  • The Drying Operation  
  • Structure of Wood as it Relates to Drying
  • Determining the Moisture Content of Wood
  • The Use of Kiln Samples
  • Wood-Moisture Relations and Shrinkage
  • Relationship Between Relative Humidity, Temperature and Equilibrium Moisture Content of Wood
  • Kiln Operation Exercise

Tuesday, August 11; 8:00 a.m. – 5:00 p.m.
Drying Systems

  • Drying Stresses and Defects
  • Kiln Schedules: Development, Modification and Use
  • Equalizing and Conditioning Treatments
  • Causes and Control of Sticker, Fungal and Chemical Stain in Lumber Drying
  • Lumber Stacking, Air Drying, Shed Drying and Pre-drying
  • Effects of Air Velocity on Drying
  • Kiln Operation Exercise
  • Small Scale Dehumidification and Solar Drying

Wednesday, August 12; 8:00 a.m. – 5:00 p.m.
Controlling Lumber Quality

  • Drying Maple and Other White Woods
  • Drying Mixed Species
  • Drying Trends: Kiln Size, Lumber Quality and Customer Demands
  • The Effective Use of Moisture Meters
  • Dry Kiln Instrumentation and Control
  • Kiln Buildings and Equipment
  • Vacuum Drying
  • Kiln Operation Exercise

Thursday, August 13; 8:00 am – 12:00 p.m.
Species Specific Quality Drying

  • Boiler Basics
  • Proper Boiler Maintenance
  • Final Kiln Operation Exercise
  • Wrap-up and Presentation of Certificates

Cancellation Policy

If for any reason you are unable to attend your scheduled course, please contact us prior to the start date of the course. This will ensure that we can provide a full refund of your course fees. If there are extenuating circumstances that prevented you from attending a course, please contact our office as soon as possible. If we do not receive any correspondence from you, you will be responsible for full payment of course fees.


Great Lakes Kiln Drying Association Members: $450, Non-members: $500.

Other Information

Continuing Education Office

Contact the Continuing Education team for questions relating to conference, workshop, and seminar offerings.