4RENT

High-Performance Floors for California's Hardest-Working Industries

We are a specialist team of flooring architects. Our philosophy is "Asset Protection." We engineer and install technically-advanced flooring (like Epoxy, Polished Concrete, and ESD) to protect your inventory, your people, and your uptime.

A high-performance epoxy floor in a modern warehouse
CA License #1003639
Licensed, Bonded & Insured
15+ Years Experience
How It Works

Flooring as an "Asset," Not a Cost

Our expert-led process ensures your new floor is a long-term asset that provides a measurable return on investment, not a short-term "fix."

1. Diagnose & Specify

We analyze your slab, your traffic, and your industry (e.g., biotech, logistics) to engineer the *correct* flooring system for your needs.

2. Prepare the Substrate

This is the most critical step. We use industrial diamond grinders and shot-blasters to achieve the perfect "profile" for a permanent bond.

3. Install & Handover

Our certified team installs the system, verifies its performance (e.g., ESD testing), and provides you with the warranty and maintenance plan.

The "Hobbyist vs. Pro" Difference

We are not "painters" who "slap down" epoxy. We are a professional firm founded on 15+ years of commercial contracting. Our philosophy is "Asset Protection"—we build floors that last.

  • Industrial-Grade Preparation

    We use diamond grinders and shot blasters, not acid etching. This is the *only* way to guarantee a permanent bond.

  • Technically-Advanced Materials

    We source and install high-performance systems (Urethanes, Polyaspartics, ESD) that hobbyists can't access.

  • Certified, In-House Team

    We never use subcontractors. Our team is fully licensed, insured, and certified by the manufacturers we partner with.

A split image showing a cracked concrete floor before and a clean epoxy floor after.
Our Locations

Proudly Serving All of California

From our headquarters in Tracy, we deploy specialist teams to every major industrial and commercial hub in California. We bring our E-E-A-T (Experience, Expertise, Authoritativeness, and Trust) to your local market.

Our Founder's "Asset Protection" Philosophy

"I founded 4RENT after 15 years in commercial contracting, watching clients get burned by two extremes: hobbyists who'd slap down cheap epoxy that peeled in a year, and giant firms that wouldn't talk to you for less than a 6-figure budget."

Our philosophy is "Asset Protection." A high-performance floor isn't a cosmetic choice; it's a core business asset that protects your inventory, your people, and your uptime.

About Luis Munguia
Luis Munguia, Founder and Chief Architect of 4RENT
Social Proof

Trusted by California's Top Industries

Our 5-star reputation is built on delivering professional, reliable results that protect our clients' investments. See what our partners have to say.

★★★★★

"We needed a floor for our Napa tasting room that was beautiful but also durable enough for production. The Stained Concrete 4RENT installed is perfect. Their team was professional and fast."

Sarah L., Winery Owner Service: Stained Concrete in Napa

Frequently Asked Questions

What is the main difference between epoxy and polished concrete?

Epoxy is a "topping"—a seamless, chemical-resistant resin layer applied *on top* of the concrete. Polished concrete is the concrete slab *itself*, mechanically ground and densified to a high-gloss, durable finish. We cover this in our Epoxy vs. Polished Concrete guide.

How long does a typical installation take?

It depends on the system. A simple polish can be done quickly. A multi-layer epoxy system requires 3-5 days, including 24-48 hours for the final cure. We build our schedules around your production needs to minimize downtime.

What is 'substrate preparation' and why does it matter?

Substrate preparation is the most important step. It's the process of industrial diamond grinding or shot blasting the concrete to remove contaminants and create a "profile" (a texture). This profile allows the epoxy or coating to get a deep, permanent mechanical bond. 99% of floor failures are due to improper preparation.

What is ESD flooring?

ESD (Electrostatic Discharge) flooring is a specialized, grounded system that safely removes static electricity from personnel and equipment. It is critical for protecting sensitive components in high-tech manufacturing, data centers, and biotech labs. We are certified installers of ESD flooring.

Do you serve residential clients?

While our primary focus is commercial and industrial, we do offer high-end residential services, including our popular Polyaspartic Garage Floors and Stained Concrete for modern homes.