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Rainscreens
A rainscreen is an exterior wall detail where the siding (or other cladding) stands off from the surface of the water-resistive barrier (WRB) in order to create a capillary break and allow drainage and drying. Water that penetrates the cladding is allowed to drain freely and diverted out of the wall. With a rainscreen, an air space is created which promotes drying behind the cladding.
A rainscreen wall design will include:
- A water-resistive barrier
- An air space between the WRB and the back of the cladding
- Flashings at all penetrations and vulnerable areas
- Places, like weep holes, for water to exit the wall system
- Ventilation openings, top and midpoints of the wall (sometimes)
DuPont™ Rainvent™ Battens
DuPont™ RainVent™ Battens are installed over DuPont™ Tyvek® weather barrier. Polypropylene construction makes the battens more durable and less susceptible to water damage than wood furring strips. The ventilated air space created between exterior cladding and wall sheathing allows air circulation vertically and horizontally, to help ventilate the air space to enhance drying and form a capillary break from sheathing.
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Keene Driwall™ Rainscreen
Driwall™ Rainscreen is a drainage mat for residential or commercial exterior wall systems. The entangled net product eliminates incidental moisture problems in most exterior veneer applications, including stucco, manufactured stone, and plank siding.
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Easy-Fur™
A rollable furring strip, Easy-Fur™ is an entangled polymer net that creates a cutting edge rainscreen and venting system behind wood and fiber-cement siding. Easy-Fur's unique design allows for the fastest installation of any furring strip on the market, because it can be rolled on to the wall and easily cut to length.
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MortarNet®
MortarNet® products help prevent moisture damage to masonry cavity walls by preventing mortar droppings from blocking the weep holes and by providing hundreds of clear drainage pathways that allow moisture to flow to the weeps. Its open mesh also allows air movement to help equalize pressure and dry the cavity.
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