Allow to dry thoroughly. Apply Koppers Flash-On 441 to seal the top edge of the cant and ply edges. Apply a uniform coating of Steep Asphalt to the flashing substrate into which, while hot, firmly embed the first ply of Koppers Glass Fiber Felt eliminating all wrinkles and fishmouths. Extend from the reglet down to ONLY the base of the cant. The method of installing plugs and fasteners is by pre-drilling when fastening to concrete or masonry.
Mechanical fasteners are permissible for attachment to wood.
Reference Flashing Specifications, Note No. 6. Install metal counterflashing.