Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 15 - Roof Assemblies and Rooftop Structures
Section 1508 - ROOF INSULATION
Subsection 1508.1 - General
Universal Citation: 780 CMR MA Code of Regs 1508.1
Current through Register 1531, September 27, 2024
The use of above-deck thermal insulation shall be permitted provided such insulation is covered with an approved roof covering and passes the tests of FM 4450 or UL 1256 when tested as an assembly.
Exceptions:
1. Foam plastic roof insulation shall conform to the material and installation requirements of Chapter 26.
2. Where a concrete roof deck is used and the above-deck thermal insulation is covered with an approved roof covering.
1508.1.1
Cellulosic
fiberboard. Cellulosic fiberboard roof insulation shall conform to the
material and installation requirements of Chapter 23.
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