C-4-105 - Radon Control Methods (CERTI-311 / NRPP 65)

Video based course designed to familiarize building code officials and radon mitigation approaches and aspects of Appendix F of the building code as it applies to radon resistant new construction.
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Sales price $55.00
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This program was videotaped as part of an ICC Chapter meeting where comments were provided from practicing building code officials. The program also provides input from code officials who have adopted Appendix F of the IRC with valuable insights into the experiences they have had with builders as well as their community.

There is approximately 4 hours of coursework, including video, publications, and online quizzes that are taken as you progress through the course (not timed and may be taken unlimited times).  There is no time limit for taking the course, and even after completion you continue to have access to the course in order to refer back to resources.

CERTI students also have access to business tools such as sample contracts, and warranties.  We are also available by phone during and after the course for any questions concerning the course or radon situations you come across on the job.

Note: your name, email address and an indication of passage of this course may be shared with national or state certification agencies for verification of completion.

Course Includes:

  • Video
  • Course Manual
  • Online Quiz
  • Downloadable Course Certificate
  • 4 Category 1 CE Credits


  • Download/Streaming - No course materials will be shipped - everything you need is available to access and download online


Monday, 11 January 2021
Evenor said: The clarity of presentation is excellent. Very informative.
John D. Thacker
Friday, 01 January 2021
THOMAS said: Good review!
Tuesday, 29 December 2020
Mike said: Good course.
Brock Verville
Monday, 21 December 2020
Ben said: Straight forward presentation that includes audience questions.
Christopher Warren
Thursday, 17 December 2020
Eileen said: Very good course!
Dan Johnson
Friday, 04 December 2020
Paul said: I learned new information.
Reyes Sarmiento
Tuesday, 01 December 2020
Jason said: I liked hearing questions/answer parts so it broke up the talking of one person.
John Woods
Wednesday, 26 August 2020
Kyle said: I enjoyed having the video and the course manual (slides) to view at the same time, to help take notes. The presenters seemed knowledgeable and the material was interesting.
Lee Yelin
Sunday, 19 July 2020
Paul said: The presenter/teacher was clear in presenting his thoughts and explanations making the learning process for the class content enjoyable.
William Lucero
Sunday, 31 May 2020
Michael said: Full of insight and useful information to pass on to others.
Rob Alexander
Monday, 27 April 2020
Bob said: I am always impressed with Doug's presentation style, particularly the practice of repeating audience questions before answering them. Often the question cannot be heard fully or clearly so repeating it avoids loss of valuable information for the viewer/listener.
Mary Schiel
Tuesday, 21 April 2020
David said: very informative and easy to follow.
Brad Arthur
Wednesday, 01 April 2020
David said: easy access
Matthew Paine
Thursday, 05 March 2020
Richard said: The instructor was very knowledgeable. I also liked hearing from building officials.
matthew robillard
Friday, 28 February 2020
Chad said: I thought the input from the class attendees and building inspectors was very insightful and helpful.
Friday, 10 January 2020
Edward said: This course provided a good overview of radon mitigation techniques, as well as the benefits of the installation of passive radon mitigation systems during new construction.
Troy L Rudy
Friday, 10 January 2020
Randy said: The course was easy to follow and had a lot of good information included.
Justin Griess
Wednesday, 08 January 2020
Larry said: Helpful information about passive systems
Angela Barton
Thursday, 02 January 2020
Yinghuei said: It's all good
Matthew Westenhaver
Thursday, 12 December 2019
Christopher said: The questions were relevant to my state.
Nancy M Schatzman
Monday, 09 December 2019
Kenneth said: Well structured, easy to understand
Derek Minor
Thursday, 12 September 2019
Conor said: Informative course
steven hoyt
Sunday, 25 August 2019
Bryan said: I like the courses from certi because they are well presented and easy to access.
Wednesday, 21 August 2019
Dora said: Presentation was very good.
Alec Schumacher
Wednesday, 29 May 2019
Wayne said: Learned a few new things about radon.
Sunday, 14 April 2019
Scott said: This course is straight forward and covers the required material nicely
Bret Benson
Saturday, 23 March 2019
Nick said: Very good information
Luke Daniel Loomis
Saturday, 16 March 2019
Warren said: old
Trent Augustus
Wednesday, 27 February 2019
Annie said: I thought the course was interesting.
Jim Nielsen
Friday, 28 December 2018
Don said: I am retired from 50 years in my own home building co. With my experience they are good questions, right on. you either know it or not. It would be a tough test for people with no experience building (that's good).
James B Hahner
Monday, 12 November 2018
Susan said: Interesting!
Chris Reyerson
Sunday, 30 September 2018
Edgar said: Doug Kladder presents the material in a professional and knowledgeable manner and provides credibility to the information provided. This course created interest by demonstrating what building code officials feel are important issues regarding radon mitigation.
Silly Sally
Wednesday, 29 August 2018
John said: great class
Gary Mensen
Friday, 17 August 2018
Rodney said: Doug is a great speaker and holds your attention. This is a great re cert course. It was also interesting at the beginning how poorly some systems are installed. I imagine there are a lot that don't follow proper piping and venting requirements and basically discharge just outside the home.
Sunday, 01 July 2018
Alvin said: Learning of radon issues in other states
David Robinson
Monday, 09 April 2018
Brett said: Good information for the building departments. Good review of Mitigation standards!
Mike Walther
Tuesday, 20 March 2018
Anita said: applicable to issues I deal with
Justin Carlisle
Thursday, 15 March 2018
Robert said: user friendly
Gregory Frank
Thursday, 15 March 2018
Robert said: user friendly
Gregory Frank
Tuesday, 27 February 2018
Travis said: I liked that It was ease to get to online.
Robert C. Sterner
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