​​​​​​​Kiln Drying Short Course 

Drying Quality Lumber
Northcentral Technical College

Antigo, WI 
August 9 - 11, 2021


Monday, August 9th        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 10          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 Predrying

• Effects of Air Velocity on Drying

• Kiln Operation Exercise

• Small Scale Dehumidification and Solar Drying

Wednesday, August 11    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 Kiln Drying

• Kiln Operation Exercise

• Boiler Basics

• Proper Boiler Maintenance

• Final Kiln Operation Exercise

• Wrap-up and Presentation of Certificates

To Register for the course online go to: https://ntcforms.formstack.com/forms/kiln_drying_2021


Current Offerings

Great Lakes Kiln Drying Association