Commercial Wall and Substrate Coatings Guide: DTM, Block Filler, Antimicrobial, Intumescent
A spec guide to the four specialty commercial coating systems: direct-to-metal (DTM) primers, CMU block filler, antimicrobial wall coatings, and intumescent fireproofing for structural steel. When each one belongs, what it costs, and how the wrong system on the wrong substrate becomes a callback.















