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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. When any water reaches the inner surface of the cladding, gravity takes over allowing the water to freely escape through weep holes without touching the rest of the wall. With a rainscreen, drying behind the cladding can easily occur.
A rainscreen wall design will include:
- A water-resistive barrier
- An air gap between the WRB and the back of the siding
- Flashings at all penetrations and vulnerable areas
- Weep holes at the bottom of the wall
- Ventilation openings at the top of the wall (sometimes)
Keene DriWall™ Rainscreen
Driwall™ Rainscreen is a drainage mat for 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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Keene DriWall™ Rainscreen UV
Driwall™ Rainscreen UV is a high performance open joint drainage and ventilation mat. It is 10 mm thick with long term UV resistance for exterior wall systems. The entangled net product has UV stable fabric and strength bars to increase compression resistance. The polymer core is resistant to most known corrosive chemicals, including solvents and the wide roll contains fewer seams.
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Easy-Fur™ furring strip
EASY-FUR™ is an entangled polymer net furring strip that creates a cutting edge rainscreen and venting system behind wood and fiber-cement siding. Easy-Fur™ has a unique design which allows for the fastest installation of any furring strip on the market, because it can be rolled onto the wall and easily cut to length. Creating ventilation behind your siding is the best way to increase the life of the siding, as well as decrease the effects of moisture products in your wall.
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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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DuPont™ Tyvek® DrainVent™
DuPont™ Tyvek® DrainVent™ is a unique drainage mat that features a honeycomb design so that it lays flat for superior cladding support. Its filter fabric eliminates stucco and mortar infiltration and promotes drainage and ventilation. When used with DuPont™ Tyvek® weather barriers you reduce installation and ownership risk through the Tyvek® Weatherization System Warranty. Recommended for stucco, stone, brick, fiber cement, and wood siding.
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