Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 15 - Roof Assemblies and Rooftop Structures
Section 1507 - REQUIREMENTS FOR ROOF COVERINGS
Subsection 1507.10 - Built-up roofs
Universal Citation: 780 CMR MA Code of Regs 1507.10
Current through Register 1531, September 27, 2024
The installation of built-up roofs shall comply with the provisions of this section.
1507.10.1 Slope. Built-up roofs shall have a design slope of a minimum of one-fourth unit vertical in 12 units horizontal (2-percent slope) for drainage, except for coal-tar built-up roofs that shall have a design slope of a minimum one-eighth unit vertical in 12 units horizontal (1-percent slope).
1507.10.2 Material standards. Built-up roof covering materials shall comply with the standards in Table 1507.10.2.
TABLE 1507.10.2 BUILT-UP ROOFING MATERIAL STANDARDS
| MATERIAL STANDARD | STANDARD |
| Acrylic coatings used in roofing | ASTM D 6083 |
| Aggregate surfacing | ASTM D 1863 |
| Asphalt adhesive used in roofing | ASTM D 3747 |
| Asphalt cements used in roofing | ASTM D 3019; D 2822; D 4586 |
| Asphalt-coated glass fiber base sheet | ASTM D 4601 |
| Asphalt coatings used in roofing | ASTM D1227; D 2823; D 4479 |
| Asphalt glass felt | ASTM D 2178 |
| Asphalt primer used in roofing | ASTM D 41 |
| Asphalt-saturated and asphalt-coated organic felt base sheet | ASTM D 2626 |
| Asphalt-saturated organic felt (perforated) | ASTM D 226 |
| Asphalt used in roofing | ASTM D 312 |
| Coal-tar cements used in roofing | ASTM D 4022; D 5643 |
| Coal-tar saturated organic felt | ASTM D 227 |
| Coal-tar pitch used in roofing | ASTM D 450; Type I or II |
| Coal-tar primer used in roofing, dampproofing and waterproofing | ASTM D 43 |
| Glass mat, coal tar | ASTM D 4990 |
| Glass mat, venting type | ASTM D 4897 |
| Mineral-surfaced inorganic cap sheet | ASTM D 3909 |
| Thermoplastic fabrics used in roofing | ASTM D 5665, D 5726 |
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