R Composite specializes 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 and nationwide. Our multi-purpose utility lath is designed for strength, flexibility, and long-lasting performance, making it an excellent choice for a wide range of construction applications, from exterior stucco applications to waterproofing systems. ​​Our premium fiberglass chopped strand mat is specially designed for use in hand lay-up, filament winding, and continuous laminating processes.

With over 30 years of experience, we deliver contractor-tested products that perform in the field. Our durable, code-compliant solutions are backed by personalized service, fast delivery, and competitive pricing.