BITUMINOUS
Cols
Summary
Bituminous material notes covering asphalt (bitumen) as roofing, waterproofing, and paving binder. Code provisions for asphalt shingles, built-up roofing, and modified bitumen sit in the Code reference below.
Related
Types
- Asphalt
Viscous petroleum binder (bitumen) used with aggregate for paving and as saturant and coating in shingles, built-up roofing, and membranes.
Code reference
Always verify the adopted code edition and local amendments for the project jurisdiction.
Governing editions
| Code or regulation | Edition cited |
|---|---|
| International Building Code (IBC) | 2024 |
Asphalt roofing
- IBC 2024, Section 1507.2: asphalt shingles on roofs 2:12 or steeper, double underlayment 2:12 to under 4:12, ASTM D3462 and D7158 wind
- IBC 2024, Section 1507.10: built-up roofing at 1/4:12 minimum (1/8:12 coal tar), materials per Table 1507.10.2 or UL 55A
- IBC 2024, Section 1507.11: modified bitumen at 1/4:12 minimum, ASTM D6162 to D6509
Referenced standards
| Standard | Edition | Required by | Applies to |
|---|---|---|---|
| ASTM D3462 / D7158 | Not recorded | IBC 2024, 1507.2 | Asphalt shingles |
| ASTM D312 / D6083 / D1863 / D4990 / UL 55A | Not recorded | IBC 2024, 1507.10 | Built-up roofing |
| ASTM D6162 / D6163 / D6164 / D6222 / D6223 / D6298 / D6509 | Not recorded | IBC 2024, 1507.11 | Modified bitumen |
Sources
- UpCodes: 2024 IBC Chapter 15 roof assemblies, Chapter 15 Roof Assemblies and Rooftop Structures: Department of Defense Building Code 2024 | UpCodes