On Spec #3 — published by Finish + Form Author's note: This article interprets published laboratory testing comparing epoxy terrazzo and Durabella Biopolymer Terrazzo 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 USA, Inc., Pittsfield, Massachusetts. Project Number P20220434. Testing Standard: ASTM D3