Technical Specialist Districts

In order to continue to provide high quality technical service to our internal and external customers, the following Technical Specialist personnel changes are effective immediately:

  • Jamie Fredericks has rejoined the team after completing experience in a product manager role, and is now the Northeast & Canada District Technical Specialist. 
  • Tim O’Brien is now the Pacific District Technical Specialist. 
  • All other districts remain the same.
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Please make every effort to use the 800 number to reach your Technical Specialist quickly and efficiently. 

Dial 1-800-922-5922 and select option “3” to speak to the first available Technical Specialist. 

Placing all calls through the 800 number allows us to fully measure coverage demands and route calls with the most efficiency. 


Thank you,

Matt Sayer

Manager, Guarantee Services | Roofing Systems

Johns Manville | A Berkshire Hathaway Company

10100 W Ute Ave

Littleton, CO, 80127

W: 303-978-3402