Constructions Standards Checklists

THIN PROFILE WRB SHEATHING – WINDOWS

DRAINAGE PLANE  A. Butyl tape sill pan with flexible flashing in the corners, or alternate sill pan detail installed with sealant applied to the back of the window frame. Sealant should create an end dam, extending 6" up each jamb.  B. Continuous 3/8" bead of sealant applied to the head and jambs behind the window nailing fn, in line with any pre-punched holes, at time of installation. Non-continuous sealant at the sill.  C. Window fastened per manufacturer installation instructions and is damage free. All weep holes are unobstructed.  D. Approved flashing tape applied to each of the jamb flanges so that it overlaps the sill flashing minimum 1" and pressed flat to smooth any wrinkles and ensure proper adhesion.  E. Approved flashing tape applied to the header

so that it overlaps the jamb flashing minimum 2" and pressed flat to smooth any wrinkles and ensure proper adhesion. Install additional seam tape where required per manufacturer installation instructions.

 F. Bottom flange is NOT taped.  G. For mulled windows and windows without integrated drip, a drip cap with 3" vertical leg is installed with positive slope away from the house, integrated behind the water-resistive barrier (WRB) and turned down at the ends.

CONSTRUCTION STANDARDS CHECKLISTS | Drainage Plane | 35