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DELTA-Dry Stucco & Stone
Brand: Delta®
DELTA®-DRY STUCCO & STONE is a ventilated rainscreen with a factory pre-installed mortar screen that reduces scratch coat mortar consumption. Air-gaps on the interior and exterior side of the membrane make DELTA®-DRY STUCCO & STONE the ideal protection behind adhered manufactured stone veneer and conventional stucco.
- 3-dimensional membrane, dimple, and groove design
- Made of special High-Density Polyethylene (HDPE)
- Pre-installed polypropylene fabric mortar screen
- Structured membrane provides two-sided exterior and interior drainage and ventilation
- Pre-installed polypropylene fabric mortar screen prevents scratch coats from filling its dimple structure
- Ventilated air space allows interior water vapor to escape between the sheathing board and the membrane while minimizing condensation that could cause potential damage within the building enclosure
- Complete capillary break behind the cladding provides ventilation, which captures and drains transient moisture migrating through the wall structure
- Waterproof, resisting the passage of bulk water from wind-driven rain and snow, and managing water leakage through the cladding
- Membrane impedes solar-driven moisture towards the interior of the structure, such as that which occurs with absorptive cladding materials like adhered manufactured stone veneer and conventional stucco
- Installed outboard of the water-resistive barrier over sheathing board
- Material is easily cut with a utility knife, and seams are simply butted together, making overlapping unnecessary
- Exterior cladding material can be installed as usual, right on top of the rainscreen
Specifications
Brand
Color
- DrainageCore: Silver-Gray
- Geotextile: White
Material of Construction
- Geotextile: Polypropylene
- Drainage Core: High-density Polyethylene, Stabilized (Oxidation & UV)
Dimple Height
- Approximately 2/5” (10.5 mm)
Compressive Strength
- 93 kPa (1,946 psf) @ 8 % Strain
Drainage Efficiency
- Approximately 95 %
Fungus Resistance
- Does Not Support Fungus Growth
Flame Spread
- 210
Smoke Developed
- 105 to 190
Water Penetration Resistance
- 118 psi (813 kPa) Watertight
Water Vapor Transmission
- 22 ng/(Pa s m²)
Vapor Permeance
- 0.14 perms [grains/h/ft²/in Hg]
Ventilation/Airflow
- 1.18 L/s @ 10 Pa, 1.41 L/s @ 10 Pa
Drainage
- 1.94 %, 0.65 %
Compression Strength
- 123.2 kPa
Mold/Fungal Growth
- No Mold
Contact Surface of Rainscreen to WRB
- Less than 20 % Greater Than 80 % Open
Temperature Range
- -22° to 176° F (-30° to 80° C)
Weight per Unit Area
- Approximately 1.71 oz./ft² (525 g/m²)
Roll Weight
- Approximately 18 lbs (8 kg)
Roll Length
- 46 ft (14 m)
Roll Width
- 3’ 3” (1.0 m)
DELTA®-DRY STUCCO & STONE is installed outboard of the water-resistive barrier over sheathing board. The material cuts easily with a utility knife. Seams are butted together with no overlapping necessary. Wire lath is installed directly over the mortar screen. Manufactured stone and conventional stucco is installed as per manufacturer’s instructions over top of DELTA®-DRY STUCCO & STONE.