Constructions Standards Checklists

HOUSEWRAP – GENERAL

DRAINAGE PLANE  A. Housewrap substrate is free from nails, staples and other rough hardware prior to installation of the housewrap.  B. Housewrap installed shingle style as the water- resistive barrier (WRB) over the entire wall surface including unconditioned spaces and under trim.  C. Plastic cap nails or plastic cap staples used to attach housewrap per manufacturer installation instructions.  D. All damaged housewrap repaired or replaced

per manufacturer repair criteria (reference to manufacturer guidelines), based on extent of damage.  E. Housewrap extended a minimum of 1" below the frame-to-foundation intersection.  F. Vertical seams at inside and outside corners of the structure overlap 12". Horizontal seams are overlapped a minimum of 6" and taped.  G. Additional 2' x 2' target flashing installed and integrated behind the housewrap at all frame sub-fascia returns.  H. Minimally sloped surfaces such as parapets, half walls, porch columns, etc. have an additional layer of self-adhered flashing membrane installed under housewrap.  I. Fasteners installed a minimum of 6" from sills and jambs and minimum 9" from the heads of rough openings.  J. Flashing membrane installed in lieu of housewrap at locations where conditions would cause deterioration of the housewrap and extends minimum of 6" beyond all concrete and extends below the foundation line minimum 3".  K. Ornamental details or accessories through the wall properly flashed and protected.

CONSTRUCTION STANDARDS CHECKLISTS | Drainage Plane | 23