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About Grey Masonry

The Franklin Series is a premium quality, lightweight, gray concrete masonry unit manufactured for use in high-end residential and commercial construction.


Block USA is one of the south’s leading producers of grey concrete masonry units. The CMUs are made close to the customer’s point of need and conform to a quality that meets or exceeds industry standards.

Block USA offers a commitment to quality for both contractors and Do-It-Yourself customers, and many of its masonry products available through retail locations.

Block USA’s Franklin Series is the unsung hero of grey masonry construction, offering both strength and durability. It’s an excellent building material for wall construction, fitting both budget and low maintenance needs.

Block USA’s people, numerous production locations, company-owned delivery fleet, and commitment to quality provide customers the assurance that each product will consistently meet their expectations.

(c) 2007, Block USA, A member of the USA Family of Companies