Southern California’s Trusted Supplier for Fiberglass, Metal Lath & Building Materials
At R Composite, we specialize in supplying high-quality fiberglass chopped strand mat, metal lath utility base, and a variety of building materials to contractors, architects, and industry professionals throughout Southern California. With over 30 years of installation experience, we know what it takes to deliver products that perform in the field. From Orange County to Los Angeles and Riverside, we provide durable, code-compliant solutions backed by personalized service, fast delivery, and competitive pricing.





