Constructions Standards Checklists

THIN PROFILE WRB SHEATHING – DOORS

DRAINAGE PLANE  A. A butyl tape sill pan with flexible flashing in the corners is installed. Sealant should create an end dam, extending 6" up each jamb. Molded preformed door sill pan or recess in concrete are acceptable alternatives.  B. 9" base flashing installed at jambs against solid backing and does not extend above head flashing with 9" base flashing installed at the head lapping over the jamb flashing and extending 1" past the jamb flashing.  C. Two-sided door flashing tape or butyl tape bridging door frame to thin profle WRB sheathing or flashing tape is applied at each jamb and head at the rough opening and door frame to bridge gap.  D. Door installed per manufacturer installation instructions and is damage-free. Sill is adequately supported, and all weep holes are unobstructed.

36 | Drainage Plane | CONSTRUCTION STANDARDS CHECKLISTS