Precast concrete, which is concrete that is cast into its final form before it is installed, has long been used in architecture and engineering for myriad forms and applications. These include bridge trusses, ornamental cladding, and prestressed beams. The casting process takes place within the regulated confines of a facility, with tightly controlled concrete mixes and material ingredients resulting in greater control and consistency, making it a real attraction to both designers and builders. Precast has advantages when it comes to sustainability as well, including savings in formwork material, the need for fewer chemical admixtures to deal with exterior environmental factors such as cold or heat, the use of organic alternatives to form-release agents, and lower water use because precast concrete has a lower water-to-cement ratio, among others. Landscape architects are specifying precast more and more for those very reasons as well. Continue reading Mind the Gaps (and Curves) with Precast Concrete →

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