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School of Drycleaning Technology

"It was an absolutely fantastic two weeks full of invaluable information that I could not have learned anywhere else. [Brian], Jim, Lorraine and the entire DLI staff were extremely accommodating to the students in their progression to master the technical aspects of dry cleaning.  I am glad I took the time to attend your class."

— Angelo Nguyen, on the Advanced Drycleaning Course

Brian Johnson, DLI's Director of Education & Analysis teaches students how to spot during the Summer 2016 General Drycleaning Course.

Call 800-638-2627 to register for DLI Courses.

Since 1927, the School of Drycleaning Technology has been the educational system that has taught drycleaners the basics and advanced methods of effective cleaning. Every year we teach hundreds of students from all around the world and take pride in the alumni who have gone on to add value to the industry.

2019 Courses
February 25 - March 1
March 4 - 15

June 15 - 19
July 22 - August 2


August 19 - 23 *Extra! Intro only.

ADVANCED DRYCLEANINGOctober 28 - November 8

Call 800-638-2627 to register.


Geared toward individuals new to the industry or with less than
one year of experience. This course covers:

  • Sorting loads for drycleaning
  • Drycleaning science
  • Fibers and their characteristics
  • Fabric constructions
  • Cleaning silk, satin, and other fabrics
  • Soil and cleaning theory
  • Operating a drycleaning machine
  • Stain removal chemistry and procedures
  • Removing coffee, ink, grease and other stains from clothing
  • Pressing pants, coats skirts
  • Using tensioning equipment to improve finishing quality

DLI Members — $1,195

(2 or more people from same company — $1,095 each)

Others — $1,595


This ten day Advanced Drycleaning Course is for individuals
who have completed the Introduction Course or have hands-on
production experience and knowledge of basic stain removal
and finishing techniques. The advanced course covers:

  • Identifying cotton, silk, polyester, and other fabrics
  • Fibers and their characteristics
  • Fiber identification through Burn Testing
  • Fabric constructions
  • Using bleaches without damaging the fabric color
  • Pressing blouses, dresses, ties, pleated garments, silks, velvets and corduroy
  • Wetcleaning wool, silk, and more
  • Maintaining and changing filters
  • Distillation procedures
  • Troubleshooting problems with the drycleaning machine
  • Using tensioning equipment to improve finishing quality
  • Current regulation facing the drycleaning industry
  • Customer service techniques for drycleaners
  • Getting clean, white laundry
  • Cleaning and preserving wedding gowns
  • Understanding the differences between solvents including perc, GreenEarth®, hydrocarbon, and K4
  • Pressing laundered shirts
  • Designing a drycleaning plant with the most effective work flow

DLI Members — $1,695

(2 or more people from same company — $1,495 each)

Others — $2,195

Or take them both together as the


DLI Members: $1,995
(2 or more students from the company -- $1,695 each)
- $2,895

Click here to download a PDF of the current class descriptions.

Frequently Asked Questions

Where will the courses be held?

Courses are held at the School of Drycleaning Technology located in Laurel, Maryland, just outside of Washington D.C. and Baltimore. The address is:

Drycleaning & Laundry Institute
14700 Sweitzer Lane
Laurel, MD 20707

What time do classes start?

Class hours are from 9:00 a.m. to 4:30 p.m., Monday - Friday. Please make travel arrangements to coincide with the ending time of 4:30 p.m.

What airports serve Laurel, Maryland?

There are three airports serving the metropolitan Washington DC and Baltimore area:
  • Baltimore Washington International (BWI) located in Maryland - Approximately 20 miles.
  • Reagan National (DCA) located in Virginia - Approximately 35 miles.
  • Dulles International (IAD) located in Virginia - Approximately 50 miles.

What's the best way to get to Laurel, MD?

It's suggested that you use an airport shuttle service. Choices include:
  • The hotel at which you are staying may provide shuttle service to/from the airport. There may be a charge for this service. Ask the hotel when making your reservations. You may have to make arrangements at least 24 hours prior to your arrival.
  • Shuttle buses and taxis can be arranged at all local airports, just go to the customer service desk in the baggage claim area of the airport. Taxis are available but the cost can exceed $60.00 one-way. A subway system (Metro) is available but one must transfer to a bus in order to reach hotels near DLI. Rental cars are available at area airports and other locations throughout the Washington D.C. area.

What does the course fee cover?

The course fee covers lunch, classroom instruction, notebook, and other materials. Breakfast, dinner and lodging expenses are not covered by the registration fee.

Is there financial aid available?

Scholarships are available to Drycleaning & Laundry Institute members located in the United States and Canada. Contact DLI's register at 800-638-2627 or (301) 622-1900 ext. 1103 or for more information.

What should I wear to class?

We will be taking a class picture the first day of all courses. We ask that you wear appropriate business attire, as it will be published in the Fabricare magazine.
  • Females: please wear a cleaned and pressed dress, dress shirt with pants (not jeans), skirt or suit, the first day.
  • Men: Please wear a cleaned and pressed dress shirt or shirt and tie, pants (not jeans), jacket or suit the first day.
For the remainder of the class you can wear comfortable clothing (jeans, shorts, sneakers, etc.) for working in a drycleaning plant. For safety reasons, you are not allowed to wear sandals, open toed shoes, or any loose fitting jewelry or clothing (e.g. scarves).

What do I need to bring to Class?

A pen or pencil. A calculator will be helpful during the Advanced class.

Will there be homework?

Student's progress will be evaluated in class by daily participation in practical exercises as well as periodic written and verbal assessments conducted by the instructors. 

How much money should I bring with me?

We suggest that you bring travelers checks or credit cards to cover all your expenses while attending class. Meals, transportation, and other miscellaneous costs vary widely among participants, but generally average $20-$40 per day.

Call 800-638-2627 to register for DLI Courses.