EIFS - window flashing detail: fully flashed

Exterior · Stucco · printed page 318 (PDF page 319)

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Book index entries

Window Flashing Detail – Fully Flashed EIFS – Window Flashing Detail: Fully Flashed Wall

Text in the illustration

window head window sill 3/4" min. backer rod and sealant, with gaps for drainage backer rod and sealant sheet metal flashing with drip edge (should include end dams) EIFS base coat EIFS finish coat secondary moisture barrier and drainage plane air seal (should be continuous with air seals at window jambs) continuous sealant and backer rod backer rod and sealant with gaps for drainage EIFS finish coat EIFS base coat sealant/ thermal break 3/4" min. 2-piece pan flashing with end jambs EIFS - window flashing detail: fully flashed windows, doors and other openings can allow water to gain entry into the wall assembly providing flashings around these penetrations will guide water back to the exterior this is especially important in materials such as EIFS, which may deteriorate in the event of leakage
windows, doors and other openings can allow water to gain entry into the wall assembly
providing flashings around these penetrations will guide water back to the exterior
this is especially important in materials such as EIFS, which may deteriorate in the event of leakage
secondary moisture barrier and drainage plane
EIFS base coat
EIFS finish coat
backer rod and sealant, with gaps for drainage
sheet metal flashing with drip edge (should include end dams)
backer rod and sealant
3/4" min.
window head
air seal (should be continuous with air seals at window jambs)
2-piece pan flashing with end jambs
backer rod and sealant with gaps for drainage
sealant/ thermal break
continuous sealant and backer rod
window sill

Generated explanation

Two sectional details show fully flashed window head and sill intersections with an EIFS-clad wall. At the head, a secondary moisture barrier and drainage plane direct water to sheet metal flashing with a projecting drip edge; the annotation specifies end dams. At the sill, a two-piece pan flashing is shown with an interior air seal that should continue to the window jambs. Backer rod and sealant joints include designated drainage gaps, while other joints are identified as continuous seals or a sealant/thermal break. Both details mark a 3/4-inch minimum dimension at the projecting flashing, and the introductory notes explain that flashing routes leakage back outside to protect the wall assembly.

Components

window head window sill window frame glazing EIFS cladding EIFS base coat EIFS finish coat secondary moisture barrier drainage plane sheet metal head flashing drip edge two-piece sill pan flashing backer rod sealant joints air seal wall framing wall insulation

Materials

sheet metal sealant backer rod EIFS insulation EIFS base coat EIFS finish coat wood framing batt insulation glass

Related illustrations

1776.8

EIFS - window flashing detail: simple

· p. 318

Two sectional details show EIFS terminations at a window head and window sill in an insulated framed wall. Both details specify reinforcing mesh and base coat backwrapped at least 4 inches and fasteners for wind resistan