The Definitive Guide to Shellcrete

Your research hub for shell aggregate concrete — history, installation, colors, suppliers, and more.

What Is Shellcrete?

Shellcrete is a decorative concrete made with crushed shell aggregate — also known as shell tabby, coquina, or washed shell concrete. Used for pool decks, patios, driveways, and walkways, it delivers a stunning coastal aesthetic, superior durability, and genuine sustainability. shellcrete101.com/ is your complete education and research resource.

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What Is Shellcrete?

The basics of shell-aggregate concrete — composition, names, and properties.

History and Origins

From colonial tabby to modern coquina — 500+ years of shell concrete history.

Applications

Pool decks, driveways, patios, walkways, and commercial surfaces.

Installation Guide

Mix ratios, substrate prep, seeding, curing, finishing, and sealing steps.

Colors and Palettes

Browse shell tones, integral pigment options, and coastal design inspiration.

Manufacturers and Suppliers

Shell aggregate, pigments, sealers, installers, and professional associations.

Latest From the Blog

What Is Shellcrete? The Complete Beginner’s Guide

What Is Shellcrete? The Complete Beginner's GuidePublished in: What Is Shellcrete | 8 min readIf you have been searching for a pool deck or patio surface that looks like you hauled the beach into your backyard, you have probably stumbled across the term shellcrete....

Years of Tabby History

Shell Aggregate Types

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LEED-Eligible Material

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Explore academic papers, technical guides, historical references, and annotated resources.