Dp4MP - Typical Multi-Ply Field Fabricated Pipe Flashing

IWIA2 - Induction Weld Field, Perimeter, and Corner - Attachment Designations

FINS-90a - Class 1-90 or less M-A Insulation and Membrane Adhered - Field, Perimeter, and Corners

FINS-90b - Class 1-90 MA Insulation and Adhered Field Membrane - with M-A Membrane in Perimeter and Corners