sealant compatibility testing

Collier Building Specialties has served the construction industry since 1966, founded by William W. Collier and his wife Janet. It is a distributor and manufacturer's representative, as well as an installing contractor, of architectural building materials and daylighting products, covering Northern California and most Nevada counties (excluding Clark County). It works with architects, contractors, and developers on traditional, negotiated, open bid, and Design Build projects, and is licensed in California and Nevada.

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