Best Practices Manual

Table Of Contents

4.2 Rain Screens: Top of Window
Rain Screen Detail Top of Window | Hammer & Hand
A. JOINT & SEAM FILLER
B. FASTFLASH
C. WRB (WATER-RESISTIVE BARRIER)
D. INSTALLED WINDOW
E. TRIM
F. HEAD FLASHING
G. FURRING
H. COR-A-VENT SV-5
I. CLADDING

Rain Screen Detail 1 Layer on WRB | Hammer & Hand
  • Layer on WRB. Layer in a shingle method starting at the bottom and lapping top over bottom piece.
Rain Screen Detail 2 Install Vertical Furring Strips | Hammer & Hand
  • Install vertical furring to correspond with the framing method (aligned with vertical framing members).
  • Use untreated 1×4 furring.
Rain Screen Detail 3 Install Trim | Hammer & Hand
  • Install trim.
Rain Screen Detail 4 Attach Head Flashing | Hammer & Hand
  • Cut a slit in the WRB, fold up, and use tape to hold the flap out of the way while the head flashing is installed.
  • Attach head flashing.
Rain Screen Detail 5 Apply Joint and Seam Filler | Hammer & Hand
  • Apply Joint & Seam Filler to the top of the back leg of the head flashing.
  • Tool Joint & Seam Filler into place.
Rain Screen Detail 6 Fold WRB Flap Back Down | Hammer & Hand
  • Fold WRB flap back down and tape the slit to prevent water intrusion.
Rain Screen Detail 7 Attach Rain Screen Furring Strips Above Head Flashing | Hammer & Hand
  • Attach remaining rain screen furring above head flashing.
Rain Screen Detail 8 Install Cor-A-Vent Above Window | Hammer & Hand
  • Install Cor-A-Vent above the window.
Rain Screen Detail 9 Install Siding | Hammer & Hand
  • Complete rain screen by installing siding.

 

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