Resources
Spec guides, decision frameworks, and field references.
Written for architects, specifiers, and general contractors — the questions that come up before, during, and after a commercial flooring spec gets issued for bid.
System Selection
3 articles
System Selection
Epoxy vs. Cementitious Terrazzo: Picking the Right System
Side-by-side comparison of epoxy and cementitious terrazzo across thickness, cure, breathability, exterior use, and repairability — with the project conditions that should drive the call.
System Selection
Terrazzo vs. Polished Concrete: A Specifier's Decision Framework
How terrazzo and polished concrete differ in design control, lifecycle, repairability, and total installed cost — and when the project should drive each choice.
System Selection
When to Specify Precast Terrazzo Instead of Field-Cast
Six project conditions where precast terrazzo outperforms a field pour on quality, schedule, or constructability — with a checklist for which scopes to break out as precast.
Specification
3 articles
Specification
The NTMA Spec Checklist: What Belongs in Section 09 66 23
A field-tested checklist for writing complete terrazzo specifications — system type, divider strips, aggregate, performance tests, submittals, and the references that prevent bid-day ambiguity.
Specification
Divider Strip Selection: Material, Gauge, and Layout
How to pick the right divider strip metal, gauge, and depth for your terrazzo project — and the layout principles that prevent random cracking and make the floor read as designed.
Specification
Terrazzo Aggregate Selection: Marble, Glass, and Specialty Chips
A working reference for selecting terrazzo aggregate — marble varieties, recycled glass, mother-of-pearl, granite, and metal — with sizing, sourcing, and cost considerations.
Compliance
2 articles
Compliance
Slip Resistance and ADA Compliance for Terrazzo Floors
The current ANSI A326.3 DCOF standard, ADA accessibility requirements, and how to specify and finish a terrazzo floor that meets both — including wet zone, ramp, and stair-nosing detail.
Compliance
How Terrazzo Contributes to LEED and WELL Certification
The specific LEED v4.1 and WELL v2 credits terrazzo systems support — MR, IEQ, and lifecycle — plus the submittal documentation needed to claim each credit.
Project Planning
2 articles
Project Planning
Planning a Terrazzo Install: Schedule, Sequencing, and Critical-Path Risk
A working schedule template for terrazzo on a commercial project — submittal lead times, substrate prep windows, pour sequencing, grind/polish phases, and the trades that must finish before mobilization.
Project Planning
Restoration vs. Replacement: When to Save the Existing Terrazzo
How to assess an aging terrazzo floor — what damage is cosmetic vs structural, when restoration outperforms replacement, and the typical cost split between the two paths.
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