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Parex Announces the Launch of Weatherblock Spray & Roll-On Water Resistive Barrier

  Subscribe to FREE newsletter  Mar 15, 2011

Parex USA, Inc. the parent company of leading building material brands; Parex, LaHabra , El Rey Stucco, Teifs, and Merkrete today announced the launch of WeatherBlock spray & roll-on water resistive barrier.

Current Parex USA Water Resistive Barriers (WRBs) provide maximum moisture protection yet remain vapor permeable. WeatherBlock, the newest member of the WeatherTech family, also provides moisture protections but is a vapor retarder.

“WeatherBlock was designed for specific use where designers, utilizing sophisticated software, determine that a vapor retarder is needed,” said Quenton Roehricht, Brand manager. "The need for a vapor retarder has increased and this was a critical gap in the WeatherTech line that we needed to fill.” By adding WeatherBlock to the line not only have we filled this need but it provides a much needed new option to the marketplace".

WeatherBlock is easy to install. As a roller or spray applied product, contractors will be able to quickly apply the product to the wall with very little fatigue. Roehricht continued, "While there is still a desire to have trowel applied WRB products in the market. We are beginning to see the direction of the industry moving to roller and spray applied application methods. With the applicator in mind, and looking to the future, we knew it was important to ensure this product could be applied in the most efficient manner."

For more information regarding the Parex USA WeatherBlock, the WeatherTech Line and other innovative products from Parex USA visit

About Parex USA, Inc.
Parex USA, Inc. Parex USA, Inc., a California Corporation, is a subsidiary of the ParexGroup, a division of Materis, S.A., a French Corporation. The ParexGroup is one of the world's leading manufacturers of specialty chemicals and ready-to-use mortars for the construction industry. With over 45 manufacturing sites in 18 countries the ParexGroup employs more than 2,700 industry professionals who are the corner stone of this thriving global organization. For more information regarding Parex USA, Inc. visit

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