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DELTA®-Dry Stucco and Stone


DELTA®-Dry Stucco and 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 and Stone the ideal protection behind adhered manufactured stone veneer and conventional stucco.

Without proper ventilation and drainage, moisture can accumulate between the water-resistive barrier and siding of a building. A rainscreen separates the cladding from the building, allowing drainage and moisture evaporation. Stucco and stone claddings require specialized moisture control. Absorptive claddings increase the risk of solar-driven moisture, which puts wood substrates at high risk of water damage. A properly installed rainscreen allows for separation and drainage to dry out these problem areas.

DELTA®-Dry Stucco and Stone Dörken
DELTA®-Dry Stucco and Stone Dörken

Related Products:
- DELTA®-Bug Screen

To find a DELTA® by Dörken dealer in your area, please click Where To Buy.

Product Details:
– 3-dimensional membrane, dimple, and groove design
– Made of special High-Density Polyethylene (HDPE)
– Pre-installed polypropylene fabric mortar screen

Product Benefits:
– 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

Water Resistive Barriers & Rainscreens


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