UV-Resistant WRB for Open Joint Cladding Systems

The new DELTA®-FASSADE S is a water-resistive barrier specifically designed for wall cladding systems with wide open joints. The vapor permeable membrane is highly protected against UV-light to resist the damaging effects of sunlight penetrating through the open joints of the cladding system.

Cladding materials featuring very wide open joints permit outstanding new design options. At the same time, such joints greatly increase the danger of underlying layers of the wall assembly being impaired by moisture and dirt penetrating from the outside. For this reason, DELTA®-FASSADE S, a water-resistive barrier that will protect the building envelope in all back-vented facing constructions featuring open joints up to 50 millimetres in width that cover up to 40% of the wall surface, was developed. The sheet will serve equally well under glass facings that transmit up to 20% of the incoming UV radiation.

Being permanently UV-resistant, the material will not become brittle even under intense solar radiation. As its color is almost black, the sheet is not visible even through wide joints, but rather emphasizes their attractive vanity-line effect.

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DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.
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