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 1508.2 - Material standards
Universal Citation: 780 CMR MA Code of Regs 1508.2
Current through Register 1531, September 27, 2024
Above-deck thermal insulation board shall comply with the standards in Table 1508.2.
TABLE 1508.2 MATERIAL STANDARDS FOR ROOF INSULATION
| Cellular glass board | ASTM C 552 |
| Composite boards | ASTM C 1289, Type III, IV, V or VI |
| Expanded polystyrene | ASTM C 578 |
| Extruded polystyrene board | ASTM C 578 |
| Perlite board | ASTM C 728 |
| Polyisocyanurate board | ASTM C 1289, Type I or Type II |
| Wood fiberboard | ASTM C 208 |
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