Concrete Crack Healer and Sealer

October 7, 2025

Fast Crack Healer and Sealer for Concrete Floors

When concrete floors start to show signs of cracking or surface wear, repairing them quickly and effectively can prevent costly downtime. Epoxy.com Product #684LV is a methyl methacrylate (MMA) resin system designed to penetrate, bond, and seal concrete surfaces — not just on bridge decks, but anywhere durable protection is needed.

What Makes #684LV Different

Unlike typical epoxies or sealers, #684LV is ultra-low viscosity and fast-curing. It seeps deep into cracks and pores in the concrete, restoring structural integrity while sealing out moisture and contaminants. Once cured, it forms a clear, tough, chemical-resistant surface that can be top-coated or left exposed.

  • Fast cure: typically 30–45 minutes even at low temperatures.
  • Deep penetration: bonds within the concrete matrix.
  • Chemical resistance: excellent for acids, fuels, and solvents.
  • Low downtime: floors can be reopened to traffic within an hour.

Ideal Uses Beyond Bridge Decks

While #684LV is trusted for infrastructure work, it’s equally effective in:

  • Industrial plants and warehouses – quick repairs between shifts.
  • Food and beverage facilities – sealing cracks to prevent bacterial growth.
  • Retail and commercial floors – keeping polished concrete from spalling.
  • Chemical and wastewater facilities – long-term protection from vapor intrusion.
  • Parking decks and ramps – extending the life of exposed slabs.

Wherever rapid turnaround and strong bonding are required, #684LV is a proven performer.

Application Notes

  1. Prepare the surface by cleaning and drying the concrete thoroughly.
  2. Flood-coat or broom-apply #684LV until refusal — allow penetration.
  3. Optional broadcast: silica sand for slip resistance or mechanical profile.
  4. Reopen to traffic within approximately one hour (temperature dependent).

For severe cracking, the material can also be pressure-injected to restore internal bond.

The Bottom Line

Epoxy.com Product #684LV gives contractors and facility managers a fast, permanent way to stop cracks before they grow — without waiting days for cure time. It’s a simple, reliable solution for extending the life of your concrete floor systems.

For more information contact:

Epoxy.com 
A Division of Epoxy Systems, Inc
A Vermont Corporation 
USA 

We have products that have passed the test of time as well as the best new Systems available today.

Since 1980 – 40 years of the highest quality products

Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time)

Closed for lunch from 12Noon to 1PM


321-206-1833  Customer Service – Ordering and Order Status
                         Katey Lambert-Fontaine, VP – Chief Operations Officer
                         sales@epoxy.com

                        Technical Support
352-533-2167  Norm Lambert, President – Technical Support Director 
                         info@epoxy.com

Leave a Comment » | Bonding systems, Bridge Concrete Repair, Concrete Infrastructure Repair, Epoxy, fast setting, Methyl Methacrylate (MMA), MMA Crack Healer and sealer, Winter cure, Winter installation | Tagged: , , , , , , , , , , | Permalink
Posted by Norm Lambert

Machine Shop Floors – Durable, Easy-to-Clean, and Anti-Skid Solutions

January 30, 2025

customer recently asked:

“I have a machine shop floor that has been exposed to oil for years. I need an anti-skid surface that’s easy to clean, resistant to cutting oils and antifreeze, and environmentally friendly.”

We’ve tackled this exact challenge many times, and the process is similar to what we do for mechanic shop floors. Follow these steps to achieve a long-lasting, high-performance epoxy coating:

Step 1: Surface Preparation

Proper preparation is crucial for a successful epoxy application. Follow the guidelines here: Surface Prep Guide.

Step 2: Apply Oil Stop Primer

  • Mix and apply Epoxy.com Product #201 (Product Info) to all oil-saturated or potentially contaminated areas.
  • Coverage: 200-300 sq. ft. per gallon.
  • Allow it to harden, then check the bond (see “Checking the Bond” below).
  • If any areas show poor adhesion, repeat surface prep and reapply. Otherwise, move to Step 3 within 24 hours.

Step 3: Apply Base Coat

  • Mix and apply Epoxy.com Product #899 (Product Info) at 250-300 sq. ft. per gallon.
  • Allow it to cure hard before proceeding (within 24 hours).

Step 4: Apply First Coat of Epoxy with Optional Anti-Skid Additive

  • Mix and apply Epoxy.com Product #2 (Product Info) at 160-200 sq. ft. per gallon using a brush or roller.
  • For added slip resistance, mix in Epoxy.com Anti-Skid Aggregate (Anti-Skid Info) at 12-16 oz. per gallon of epoxy before application.
  • Allow to cure hard before proceeding (within 24 hours).

Step 5: Apply Second Coat of Epoxy with Optional Anti-Skid Additive

  • Repeat the application of Epoxy.com Product #2 at 160-200 sq. ft. per gallon for the final protective layer.
  • Again, mix in the Anti-Skid Additive (if using) at 12-16 oz. per gallon before applying.
  • Cure time:
    • Light traffic – 24 hours at 70°F.
    • Heavy use – 48 hours.

Checking the Bond

Ensuring proper adhesion is key. Here’s a simple test:

  • Use the corner of a putty knife or screwdriver to try and lift the epoxy from the concrete.
  • If the coating peels off cleanly without pulling concrete, the bond is weak and requires additional surface prep.
  • If concrete comes off with the coating, you have a solid bond, and the application is successful.

By following these steps, you’ll achieve a durable, chemical-resistant, and slip-resistant epoxy floor that can withstand the demands of a machine shop environment.

Need help selecting the right products? Contact us today!

Call:

321-206-1833 (orders)

352-533-2167 (technical support)

Email: sales@epoxy.com

Visit: www.epoxy.com

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Posted by Norm Lambert

Transform Your Garage with DIY Epoxy Coatings

January 29, 2025

Your garage is more than just a space to park your car—it’s a workspace, a storage area, and an extension of your home. Over time, though, garage floors can become stained, cracked, or worn, making the space look neglected. Enter Epoxy.com’s DIY-friendly epoxy coatings, the perfect solution to transform your garage floor into a sleek, durable, and easy-to-maintain surface. In this blog, we’ll guide you through the benefits of epoxy and how to tackle this DIY project step-by-step.

Why Choose Epoxy for Your Garage Floor?

Epoxy coatings are an excellent choice for garages because they offer:

        1.        Durability

        •        Protects against cracks, stains, and wear from heavy vehicles, tools, and foot traffic.

        •        Resistant to impacts and abrasions, ensuring a long-lasting finish.

        2.        Chemical Resistance

        •        Shields the floor from oil spills, gasoline, cleaning agents, and other chemicals.

        •        Prevents stains that would otherwise ruin concrete floors.

        3.        Aesthetic Appeal

        •        Offers a high-gloss, polished finish that enhances the look of your garage.

        •        Available in a variety of colors, including metallic and flake finishes for a customized look.

        4.        Ease of Maintenance

        •        Creates a seamless, non-porous surface that’s easy to clean with a mop or hose.

        •        Prevents dirt, dust, and debris from seeping into cracks.

DIY Guide: How to Apply Epoxy to Your Garage Floor

Transforming your garage floor with epoxy is easier than you think. Follow these steps for a successful project:

Step 1: Gather Your Materials

Before you start, make sure you have:

        •        Epoxy coating kit (available at Epoxy.com)

        •        Concrete cleaner or degreaser

        •        Crack filler or patching compound

        •        Paint roller and extension pole

        •        Squeegee or trowel

        •        Safety gear (gloves, goggles, and mask)

Step 2: Prepare the Surface

Proper preparation is key to a flawless finish:

        1.        Clean the floor: Remove dirt, grease, and stains using a concrete cleaner or degreaser.

        2.        Repair cracks: Fill any cracks or holes with a patching compound and let it dry.

        3.        Etch the surface: Use an etching solution to roughen the floor, allowing the epoxy to bond effectively. Rinse thoroughly and let it dry completely.

Step 3: Mix the Epoxy

Follow the instructions provided with your Epoxy.com kit:

        1.        Combine the resin and hardener in a clean bucket.

        2.        Mix thoroughly to ensure a uniform consistency, following the recommended mixing time.

Step 4: Apply the Epoxy

        1.        Start with the edges: Use a brush or small roller to apply epoxy along the edges and corners of the garage.

        2.        Coat the main area: Use a roller to spread the epoxy evenly across the floor in sections. Work quickly to maintain a wet edge.

        3.        Optional: Add decorative flakes or chips for a textured finish while the epoxy is still wet.

Step 5: Allow Curing Time

        •        Let the epoxy cure for at least 24–48 hours before walking on it.

        •        Wait at least 72 hours before driving vehicles onto the surface to ensure full durability.

Pro Tips for a Successful Application

        •        Temperature matters: Apply epoxy when temperatures are between 60°F and 85°F for optimal curing.

        •        Ventilation: Ensure good airflow during application and curing to reduce odors and improve drying.

        •        Plan ahead: Once mixed, epoxy has a limited working time, so be prepared to work efficiently.

Why Choose Epoxy.com for DIY Garage Projects?

Epoxy.com provides DIY-friendly products that deliver professional-grade results. Our garage epoxy kits are:

        •        Easy to apply: Perfect for beginners and seasoned DIYers.

        •        Durable and reliable: Designed to withstand heavy use and extreme conditions.

        •        Customizable: Available in a range of colors and finishes to match your style.

Upgrade Your Garage Today!

With Epoxy.com’s high-performance coatings, transforming your garage has never been easier. Enjoy a polished, durable floor that’s ready for anything life throws at it—whether it’s parked cars, spilled oil, or a weekend DIY project.

Ready to start your garage transformation?

Find DIY-friendly epoxy coatings at Epoxy.com today!

For more detailed information Contact Us Today:

Call:

321-206-1833 (orders)

352-533-2167 (technical support)

Email: sales@epoxy.com

Visit: www.epoxy.com

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Posted by Norm Lambert

The Benefits of Chemical-Resistant Epoxy for Your Workspace

January 18, 2025

Workspaces are often exposed to harsh conditions—spills, chemicals, and heavy equipment can quickly wear down floors and surfaces. Protecting these areas is essential for both safety and longevity. That’s where Epoxy.com’s chemical-resistant epoxy coatings – https://www.epoxy.com/chemical_resistant.aspx – come in. Designed for industrial and commercial environments, these coatings provide unmatched protection and durability. In today’s post, we’ll explore the benefits of chemical-resistant epoxy and why it’s the best solution for your workspace.

Why Choose Chemical-Resistant Epoxy?

Many traditional flooring materials, such as bare concrete or tile, struggle to withstand chemical exposure and constant wear. Over time, these surfaces can deteriorate, leading to costly repairs and safety hazards. Chemical-resistant epoxy provides a long-lasting solution, offering the following benefits:

        1.        Unmatched Chemical Resistance

        •        Epoxy.com’s coatings are engineered to resist damage from acids, alkalis, solvents, and other harsh chemicals.

        •        Ideal for environments such as laboratories, factories, food processing plants, and automotive shops.

        2.        Enhanced Durability

        •        Withstand heavy loads, machinery, and high foot traffic without cracking or peeling.

        •        Protect your workspace from abrasion, impact, and daily wear.

        3.        Seamless and Non-Porous Surface

        •        Create a smooth, seamless finish that prevents liquids from seeping into the surface.

        •        Easy to clean and maintain, reducing downtime for cleaning or repairs.

        4.        Safety Features

        •        Available in anti-slip options to improve safety in areas prone to spills.

        •        Customizable with bright, high-gloss finishes for better visibility in industrial spaces.

        5.        Cost-Efficiency

        •        Long-lasting protection reduces the need for frequent repairs or resurfacing, saving time and money in the long run.

Best Applications for Chemical-Resistant Epoxy

Chemical-resistant epoxy coatings are versatile and can be used in a variety of industries and spaces, including:

        •        Laboratories: Protect surfaces from chemical spills while maintaining a clean and sterile environment.

        •        Factories and Warehouses: Handle heavy equipment and frequent chemical exposure without damage.

        •        Food Processing Plants: Prevent contamination with a seamless, non-porous surface that’s easy to sanitize.

        •        Automotive Garages: Protect floors from oil, grease, and solvents while creating a professional finish.

        •        Healthcare Facilities: Provide a durable, hygienic surface for hospital floors and pharmaceutical labs.

Steps to Apply Chemical-Resistant Epoxy Coatings

        1.        Prepare the Surface:

        •        Clean the area thoroughly to remove grease, dirt, or any previous coatings.

        •        Repair any cracks or uneven surfaces to ensure proper adhesion.

        2.        Apply a Primer:

        •        Use a primer to enhance adhesion and ensure a smooth, even application.

        3.        Mix and Apply the Epoxy:

        •        Follow the instructions to mix the epoxy thoroughly.

        •        Use a roller or squeegee to apply the coating evenly across the surface.

        4.        Allow Proper Curing:

        •        Let the epoxy cure completely before resuming operations. Curing time may vary depending on the product and environmental conditions.

        5.        Optional: Add a Topcoat:

        •        Apply a topcoat for added durability and specific features, such as anti-slip properties or UV resistance.

Why Choose Epoxy.com for Chemical Resistance?

At Epoxy.com, we specialize in high-performance coatings designed for the toughest environments. Our chemical-resistant epoxies:

        •        Offer industry-leading durability for long-lasting protection.

        •        Are easy to apply, with detailed application guides for DIYers and professionals.

        •        Come in a variety of colors and finishes to match your workspace’s aesthetic and safety needs.

Start Protecting Your Workspace Today

Don’t let chemicals and daily wear compromise your workspace. Whether you’re upgrading a factory floor, lab, or automotive shop, Epoxy.com’s chemical-resistant coatings offer the protection and durability you need. Designed for heavy-duty use, our products ensure your surfaces remain safe, functional, and easy to maintain.

Ready to get started?

For more detailed information Contact Us Today:

Call:

321-206-1833 (orders)

352-533-2167 (technical support)

Email: sales@epoxy.com

Visit: www.epoxy.com

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Posted by Norm Lambert

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