GreenGuard Residential Building Wraps - Manual (Page 7)

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Optional Sill Flashing Method No. 3 : Install a sill dam directly
over the building wrap at the back of the sill and then install the GreenGuard®
SuperStretch
™ Butyl Flashing as described in Method 1 (see Figure 2B).
Optional Sill Flashing Method No. 4 : Install a sill pan directly over
the building wrap after applying a bead of sealant to the back side of the front
edge of the sill pan (see Figure 2C-1). Attach the sill pan using roofing nails or
panhead screws. Then install small pieces of GreenGuard® SuperStretch
™ Butyl
Flashing at the sill corners so that they overlap the sill pan edges and the side
jamb (see Figure 2C-2).
Optional Sill Flashing Method No. 5 : (Corner Guards)
A. To install the GreenGuard® Corner Guards, cut back the header and the sides
of the building wrap around the rough opening. Install the corner guards with
staples or roofing nails at the 4 corners.
B. After fastening the corner guards, install a piece of GreenGuard® Flashing over
the top edge of the corner guard.
C. Finish details – Option 1 – (window flashed to sheathing). If the window unit is
to be flashed directly to the sheathing, finish the flashing installation at the sill
as shown. Use the appropriate width of flashing to cover the sill and at least
2 inch overlap to the face of the rough opening. Once the window is installed,
seal the building wrap to the window edge with GreenGuard® Flashing or Seam
Tape.
D. Finish details – Option 2 – (window flashed to building wrap). If the window
unit is to be flashed over the building wrap, install the sill flashing as shown.
Fold the building wrap into the sides of the opening. Use the appropriate
width of flashing to cover the sill and at least 2 inch overlap to the face of the
rough opening. Once the window is installed, finish the window installation by
applying side and head flashing per this Guide.
G U I D E F O R R E S I D E N T I A L A P P L I C A T I O N S
FIGURE 2B: INSTALLATION OF SILL DAM
FIGURE 2C-1: SILL PAN OPTION
FIGURE 2C-2: SILL PAN OPTION
CORNERS SEALED
A.
C.
D.
B.