Amazon Fulfillment Center – Greenfield, IN

A 700,000-sq-ft fast-track build where E5® delivered early strength, abrasion resistance, and eliminated conventional curing—helping crews access the slab just 26 days after first placement.

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Project Snapshot

Industry: Retail / Fulfillment
Scale: ~700,000 sq ft; ~17,000 yd of concrete; $130M project value.
Location: Greenfield, Indiana.
Team: Compass Construction (site/slab work referenced).
Goal: Achieve early strengths, high abrasion resistance, and eliminate conventional curing to accelerate access to the slab.

About Amazon

Amazon is a global e-commerce and tech company founded by Jeff Bezos in 1994. It started as an online bookstore and grew into the world’s largest online retailer. Amazon also leads in cloud computing with AWS, offers streaming via Prime Video, and owns Whole Foods. It’s known for fast shipping and a customer-first approach.

The Challenge

Fast-track schedule on a massive footprint demanded early strength development and durable, abrasion-resistant floors without the delays and labor of wet curing and topical curing compounds. Conventional methods risked extending access timelines for installing conveyors, racking, and electrical systems—critical path activities for a fulfillment center.

The E5® Solution

Products Used: E5® Internal Cure and E5® Catalyst

Approach: Specify E5® Liquid Nano Silica system to eliminate hardeners, sealers, and curing compounds; deliver internal curing; and raise abrasion resistance and FF/FL levels so finishing crews regain control and schedules compress.

Products Used

Built-In Performance: The E5® System Behind the Results. This project’s outcomes weren’t accidental—they were engineered into the slab. By pairing the right admixtures and surface systems, we delivered internal curing, faster access, and a harder, more resilient finish that stands up to real-world demands.

E5® Internal Cure

Delivers true internal curing to stabilize workability on large placements, improve consolidation, and reduce plastic shrinkage—without adding steps. By retaining mix water for continued hydration, it builds a denser matrix faster, helping crews access slabs sooner and supporting high FF/FL outcomes on fast-track builds.

Why it mattered on this project

Compressed schedule: eliminated wet curing and topical compounds to save days.
Early access & finish quality: supported high abrasion resistance and flatness for racking/conveyor installs.
Large-footprint friendly: consistent placements across wide pours with fewer variables.

E5® Internal Cure

E5® Catalyst

A silicate-free topical system used with Internal Cure to increase surface hardness and abrasion resistance. Produces a micro-grout effect that reduces drag during troweling, improves finish uniformity, and supports higher FF/FL—ideal for high-traffic fulfillment floors.

Why it mattered on this project

Abrasion resistance: durable surface ready for forklifts, AGVs, and constant traffic.
Finish speed & consistency: smoother, more controlled trowel passes on a tight timeline.
Moisture-aware surface: helps control surface pH/moisture migration for downstream coverings.

E5® Catalyst

Schedule

The build was set to one of the fastest timelines in its class. Conventional wet curing or membrane approaches would have added days to each placement and complicated sequencing with other trades. By deploying internal curing and a silicate-free surface system, crews maintained finish control and opened the slab to downstream activities 26 days after the first pour. This compression reduced idle time for specialty contractors, kept materials flowing, and protected the overall commissioning date.

Performance Needs

This slab had to deliver early access, abrasion resistance, and high FF/FL across very large placements. Internal curing stabilized workability and hydration to limit plastic shrinkage and improve consolidation. At the surface, the finishing system increased hardness and wear resistance for forklift/AGV traffic while supporting uniform flatness. Eliminating topical cures reduced variables that can lead to moisture-related floor failures later, helping protect coverings and long-term maintenance budgets.

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Footings Poured

After rapid site prep, crews placed footings ahead of slab work, setting up an aggressive construction cadence.

Late December

Slab placements begin

Slab-on-grade work kicked off just months from initial site preparation, keeping the schedule tightly compressed.

February

Trades on Floor

Conveyors, storage racks, and electrical systems were on the slab within 26 days—one of the fastest Amazon build-outs of this size.

26 Days Later

Project Overview

Crews from Compass Construction in Indianapolis, Indiana, worked around the clock to prepare the site and pour footings ahead of slab-on-grade work. Footings were poured in late December, and slab placements began in February—just months from initial site prep. E5® Liquid Nano Silica was selected to achieve early strengths, deliver abrasion resistance, and eliminate conventional curing methods to accelerate slab access. Conveyor systems, large storage racks, and electrical were installed just 26 days after the first slab placement, making this one of the fastest Amazon build-outs in the country for a project of its size.

How E5® Elevated Performance

E5® Liquid Nano Silica gives control back to finishing crews and compresses schedules by eliminating separate hardeners, sealers, and curing compounds. When used as a system, E5® provides internal curing, delivers extremely high abrasion performance, and supports high FF/FL levels—so crews can gain access to the slab much sooner than with topically treated slabs.

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Project Snapshot