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Substrate Moisture & Tile Failure: Evaluating Conditions Beneath the Assembly

An analysis of vapor emission, material interaction, and evidentiary requirements in moisture-related claims By Gil Chotam & Greg Andrews | National Tile and Stone Authority (NTSA) Moisture-related conditions are commonly attributed to installation error based on visible symptoms, despite the fact that substrate moisture levels are typically established prior to installation. Where elevated moisture or…

Execution Variability in Tile Installation: The Role of Interrupted Workflow

An analysis of consistency, sequencing, and non-technical contributors to tile installation failure By Gil Chotam & Greg Andrews | National Tile and Stone Authority (NTSA) In forensic evaluation of tile and stone assemblies, certain tile installation failure occurs in the absence of clear technical deficiencies. Materials may be appropriate, specifications properly defined, and installers demonstrably…