Publication Limitations: Digital copies are protected with Digital Rights Management (DRM) software and will have a visible watermark when printed. The purchase and use of digital copies will require the installation of software and a license (both provided by TCNA). The provided license is available for access on up to two devices. Visit our LockLizard FAQ page for more information regarding our DRM software. Publication purchases in hard copy or digital copy format are non-refundable.

ANSI A138.1 is the industry standard for sustainable tile and tile installation products. This voluntary standard outlines the environmental and social criteria for sustainable ceramic tiles, glass tiles, and tile installation materials.

Because sustainability shouldn’t be defined by a single attribute, Green Squared®  takes a multi-attribute, balanced approach. Covered by the standard are environmental product characteristics, environmental product manufacturing and raw material extraction, end-of-product life management, progressive corporate governance, and innovation.

Suitable applications, installation requirements, and specific product performance criteria are not defined by this standard.

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