On Spec #4 — published by Finish + Form Author's note: This article interprets published laboratory testing comparing epoxy terrazzo with matte finish and Durabella Biopolymer Terrazzo with matte finish under controlled conditions. Its purpose is to provide context for architectural specification, not to prescribe a particular solution. The discussion that follows is based on the following sources: Primary source: Intertek Building & Construction, Test Report N3216.01-106-31