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Fab-Tech Blog

Fab-Tech Inc.


How To Identify True Class 1 Duct

Posted by Mike Baranski on Dec 18, 2017 1:23:04 PM

Understanding Class 1 Duct Regulatory Criteria

Building codes and regulations stress lower flame spread and low smoke generation for many materials. The Steiner Tunnel Test (ASTM E-84) is frequently referenced as a method to assess these burn characteristics and is a mandatory test for many commercial building materials.

While such standards and mandatory tests are indeed important, it is also critically important to understand their parameters and tolerances.

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Topics: Permashield Pipe, frp duct