| 1926 - | LaHabra Stucco begins manufacture of pre-blended exterior stucco and interior plaster in LaHabra, CA.
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| 1953 - | LaHabra builds largest stucco plant in United States (six lines) to supply Disneyland and growth in Anaheim, CA.
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| 1966 - | LaHabra reinvents the stucco industry with the introduction of the distributor - and contractor - friendly base and box of separate color packs.
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| 1968 - | El Rey Stucco begins manufacturing in Albuquerque, NM.
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| 1984 - | El Rey Stucco begins manufacturing in Colorado Springs, CO.
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| 1986 - | Parex, created by Materis, begins manufacturing EIFS in Redan, GA.
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| 1991 - | Parex begins dry product manufacturing in French Camp, CA.
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| 1995 - | LaHabra begins manufacturing in Riverside, CA.
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| 1996 - | Parex begins wet product manufacturing in French Camp, CA.
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| 2000 - | Materis acquires La Habra Products, Inc.
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| 2002 - | Materis acquires El Rey Stucco Co.
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| 2002 - | The LoneStar Stucco brand is acquired to service Texas and the South Central United States.
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| 2003 - | LaHabra $6M plant upgrade puts in place the first high speed/high volume automated stucco manufacturing in US.
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| 2003 - | Domestic manufacturing of Davco tile setting products, a leading brand in Australia and Southeast Asia, is begun.
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| 2004 - | The Surewall brand is acquired.
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| 2005 - | LaHabra, El Rey, and Parex are merged to create ParexLahabra, Inc., the largest facade manufacturer in the United States.
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| 2006 - | Teifs Wall Systems acquired by ParexLahabra.
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| 2007 - | Mer-Kote Products acquired by ParexLahabra.
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| 2007 - | Created the Mer-Ko division for decking products.
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