Rainscreen wall design: What components do you need?

Rainscreen Wall Design: What are the Critical Components You Need for a High-Performance System?


Achieving proper ventilation and drainage within a wall assembly doesn’t have to be complicated, require new or sophisticated materials, or expend additional time. Yes, that even includes the trickier walls, such as assemblies covered with absorptive cladding. 

But that’s only if you have the correct materials and components.

Certified Passive House Consultant Krzysztof Apriasz shows how the DELTA®-DRY & LATH high-performance rainscreen system works to protect claddings like stucco and manufactured stone veneer with the proper installation, details, and components.


Detailing the best components for rainscreen wall assemblies


In the video, you saw how easy it is to properly install a high-performance rainscreen like DELTA®-DRY & LATH on top of the sheathing and WRB, and which components to add to help ensure a high level of air tightness and water tightness.

Both DELTA®-FLASHING and DELTA®-BUG SCREEN were used for a myriad of reasons:

  • To prevent unwanted critters from getting inside the wall
  • To protect windows from rain and moisture, and 
  • To protect the wall from solar-driven moisture, especially since we’re speaking to stucco or adhered stone claddings.


DELTA®-FLASHING is a premium, durable, self-adhering flashing that helps make an enclosure system air and watertight.

delta flashing tape

It’s composed of a special polypropylene carrier film along with a pressure-sensitive butyl-base adhesive with an easily removed polyethylene release liner. It’s extremely versatile, providing strong sealing for the interface between rough openings for windows and doors, common building substrates, and to all DELTA® air- and water-resistive barrier membranes.

Plus, DELTA®-FLASHING is non-bituminous, low odor, and suitable for LEED® rated projects by helping you build more durable, sustainable, and energy-efficient structures.


DELTA®-BUG SCREEN completes the wall design, being used to prevent the infiltration of bugs while still allowing for free movement of air and drainage of bulk water.

delta bug screen

Find more rainscreen resources through the DELTA® Academy