ABC Roofing Terms Glossary
M
| Term | Definition |
|---|---|
| Mansard roof |
A type of roof containing two sloping planes of different pitch on each of four sides. The lower plane has a much steeper pitch than the upper, often approaching vertical. Contains no gables. |
| Mastic |
An asphalt-based cement used to bond roofing materials. Also known as flashing cement. |
| Metal drip edge |
A narrow strip of non-corrodible metal used at the rake and eave to facilitate water runoff. |
| Mineral-surfaced roofing |
Asphalt shingles and roll roofing that are covered with granules. |
| Modified Bitumen |
Roofing asphalt that has been blended with some of a broad range of materials which improve its performance characteristics. |

