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Insulating materials used in thermal barriers shall be installed so that the manufacturer's R-value mark is readily observable upon inspection.

Related Code Sections

1209.5.2 Hydronic Piping, Thermal Barrier Material Marking
Insulating materials utilized in thermal barriers shall be installed such that the manufacturer's R-value mark is readily observable upon inspection ...
1209.5.4 Hydronic Piping, Thermal Barrier Material Marking
Insulating materials utilized in thermal barriers shall be installed such that the manufacturer's R-value mark is readily observable upon inspection ...
M2103.2.2 Hydronic Piping, Thermal Barrier Material Marking
Insulating materials used in thermal barriers shall be installed so that the manufacturer's R-value mark is readily observable upon inspection ...
3.3.218 Definitions, Thermal Barrier
A material that limits the average temperature rise of the unexposed surface to not more than 250°F (121°C) above ambient for a specified fire ...