Preferred Families
Industry leading Insulation & Firestopping services in California & Arizona
What We Do
Insulation
Firestopping
Firestopping
Preferred Insulation Contractors, Inc. is the premier mechanical insulation contractor in California and Arizona. We specialize in new construction, tenant improvements, and retrofits—especially refrigeration, cryogenic & hydronic piping, fire wrapping, and heat tracing.
Our experience, safety focus, and proven processes deliver projects on time, on budget, and done right.
Firestopping
Firestopping
Firestopping
Preferred Firestopping, Inc. is a unique contracting firm that specializes in all areas of Firestopping. Our highly trained staff are among the industry's leaders, allowing us the strenght and diversification to provide our customers with the highest quality workmanship. Due to the ever-changing demands and requirements taking place from year-to-year in the Firestopping industry, we have attained the "Approval of Firestop Contractors." Preferred Firestopping, Inc, is listed in the Approval Guide for the FM Approval Standard 4991.
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