1.1 ,This specification covers three types of asphalt suitable for use as a mopping coat in dampproofing, or as a plying or mopping cement in the construction of membrane waterproofing systems with felts in accordance with Specification D226, fabrics in accordance with Specifications D173 or D1668 (asphalt types), asphalt-impregnated glass mat in accordance with Specifications D2178, and with primer in accordance with Specification D41.