Sure Cavity

Sure Cavity™ Installation

Rainscreen Drainage Plane

SC 5016, SC 5032

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Sure Cavity Installation

  • Roll out Sure Cavity rainscreen drainage plane/drainage mat over the WRB on the backup wall with spunbond fabric facing the installer. Back wrap 4’’ fabric on bottom course to act as bug screen.
  • Fasten Sure Cavity rainscreen drainage plane/drainage mat with hammer stapler on wood backup walls or dabs of adhesive on masonry. To prevent wind damage only install as much as can be covered with lath/siding the same day.
  • Roll out second and succeeding courses of Sure Cavity rainscreen drainage plane/drainage mat.  Overlap only the fabric.  Plastic butts directly to top of course beneath it.
  • Install veneer – attachment of veneer material will sandwich the Sure Cavity rainscreen drainage mat permanently in place in thin veneer applications. 

Note: When Sure Cavity is used in interior brick veneer retrofit applications the fabric separates the corrugated plastic from the closed cell spray foam.