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RainDrop®

®

RainDrop’s innovative drainage channels keep water out of the wall system. The channels are designed not to crimp, collapse, or flatten, making RainDrop ideal for creating drainage space even in installations where cladding is affixed directly to sheathing. When installed with a bond break, the wrap is also an excellent choice to create drainage space with adhered veneer claddings and stucco. Because it’s not perforated, RainDrop resists air and water infiltration. Plus it breathes to allow moisture vapor to escape. With its high tear resistance and translucent design, installation is quick and easy with no job site waste. And it stays UV-stable up to 4 months.

Typical Physical Properties
PropertyTest MethodRainDrop®
Thickness1
(inches)
(mils)
ASTM D 1777
.015
15
Weight
(lbs./1,000 ft.²)
ASTM D 377619.0
Tensile Strength
(lbs./in.,MD/TD)2
ASTM D 88256/30
Trapezoid Tearing Strength
(lbs., MD/TD)2
ASTM D 111725/41
Burst Strength
(psi)
ASTM D 751155
Water Resistance
(minutes)
ASTM D 779
>60
Drainage Efficiency3
(% Water Drained)
ASTM E 227390.7%
Water Vapor Permeance
(perms)
ASTM E 96
Procedure A
(75º F, 50% R.H.)
10
Water Vapor Transmission Rate
(g/m²/24 hrs.)
ASTM E 96
Procedure A
(75º F, 50% R.H.)
73
Air Leakage Rate/Air Resistance
(cfm/ft²@ 1.57 psf/25 mph)
ASTM  E 2830.03
Structural Integrity
(minimum 1 hr. @ 500 Pa/65 mph)
ASTM E 330
Procedure A
Pass
Water Resistance
(15 min.@ 27 Pa/15 mph)
ASTM E 331Pass
Fire Characteristics4
Flame Spread
Smoke Developed   
ASTM E 84Class A
0
15


Dimensions / Packaging
Roll Size3' x 150'
9' x 100'
9' x 150'
10' x 150'
Square Feet/Roll450
900
1,350
1,500
Roll Weight (lbs.)
9
17
26
29
Rolls/Pallet84
60
40
40
Pallet Size108" x 42" x 24"
42" x 109"
42" x 109"
42" x 109"
Pallets/Truck20
20
20
16


1 Low Point (.010 inches/10 mils), High Point (.020 inches/20 mils).

2 Machine Direction/Cross Direction.

3 Drainage testing was conducted in accordance with ASTM E 2273-03 using a cementitious base coat as required for EIFS and adhered veneers. The GreenGuard® RainDrop® was installed directly over the sheathing and the exterior side of the RainDrop® was covered with a layer of Grade D water-resistive barrier/building paper as required in the International Residential Code for stucco wall assemblies.

4 These numerical flame spread and smoke ratings are not intended to reflect hazards presented by this material under actual fire conditions.


Disclaimer

Commercial Applications

Commercial Products

The best tools for moisture-resistant and energy-efficient structures.

When your design requires insulation on the exterior of the walls, the foundation, or the slab, you’ll find a GreenGuard extruded polystyrene (XPS) insulation board to meet every need. When an air barrier is specified for protection from air and moisture, you are sure to find a GreenGuard building wrap that is a perfect fit for the application. Our commercial line also includes butyl flashing, waterproofing protection board, and roofing recovery board to meet your full range of project requirements. Plus GreenGuard is green beyond the color. Our XPS boards contain up to 30% post-industrial recycled materials. And our products contribute to your LEED qualification with points for Energy and Atmosphere, Materials and Resources, and Indoor Environmental Quality. Let GreenGuard provide the products you need to accomplish your design and construction goals.

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