Sanitary Drain Restoration & Floor Upgrades for Existing Facilities
In food, beverage, and pharmaceutical manufacturing, your floors and drainage systems are your first line of defense against microbial contamination. For an operational facility, a failing floor or a degrading drain isn’t just a maintenance issue—it is an immediate threat to your regulatory compliance, your brand reputation, and your production schedule.
Replacing or restoring drainage infrastructure in a live production environment used to mean catastrophic downtime and high-risk concrete excavation.
Hardig eliminates that risk. By partnering with Global Drain Technologies and Food Safe Drains, we combine world-class sanitary drainage engineering with our high-performance industrial flooring expertise. We specialize in upgrading and restoring floors and drains in existing, fully operational facilities—minimizing your downtime while securing your compliance.
The Reality of Retrofitting: Eliminating the Risks of Live Production
Upgrading an existing plant requires a completely different approach than new construction. We design our installations to solve the two biggest pain points facility managers face during a retrofit:
Zero-Excavation Risk Mitigation
Traditional “dig and replace” methods cut into old concrete, throwing up airborne silica dust, debris, and potentially trapped pathogens (like Listeria or Salmonella). Our specialized retrofitting process meticulously controls the environment, isolating the work zone to protect your cleanroom or food production environment from cross-contamination.
Formulated for Thermal & Chemical Extremes
Existing facilities often fail audits because their original floors and drains can’t handle modern production demands. Our integrated floor-to-drain systems are engineered to withstand:
- Thermal Shock: Surviving daily 180°F+ hot-water and steam washdowns without cracking or delaminating.
- Aggressive Chemistry: Resisting clean-in-place (CIP) sanitizers, organic acids, and aggressive pharmaceutical solvents.
Seamless Floor-to-Drain Integration
A drain is only as good as the floor surrounding it. The most common point of failure in an existing plant is the joint where the resinous flooring meets the plumbing hub. If this bond fails, water and bacteria pool beneath the surface, completely hidden from view.
Hardig delivers a seamless, monolithic connection between your new high-performance flooring and Food Safe Drains’ advanced slot and trench drainage systems. By eliminating lips, seams, and porous grout lines, we create a continuous, pitch-perfect slope that ensures complete washdown drainage and rapid sanitation.
Proven Upgrades in Live Facilities
Food Processing Facility
Listeria Mitigation Retrofit
- The Challenge: An older meat processing plant was repeatedly flagging on environmental swabs due to bacteria harboring in degraded, pitted concrete around traditional grated trench drains.
- The Solution: Working in phases during scheduled weekend maintenance windows, Hardig removed the failing floor sections and installed a seamless polyurethane concrete floor integrated with a Food Safe Drains stainless steel slot drain system.
- The Result: The facility achieved 100% clean environmental swabs, eliminated the harborages, and completely avoided production line shutdowns.
Craft Brewery & Beverage Plant
Thermal Shock Overhaul
- The Challenge: Frequent hot-liquid dumps from a brewhouse were causing the existing epoxy floor to crack and peel away from the cast-iron drains, creating a dangerous slip hazard and unhygienic pooling.
- The Solution: We retrofitted the area with a thermal-shock resistant urethane cement system, perfectly sloped into high-capacity Global Drain Technologies catch basins.
- The Result: Smooth, continuous drainage capable of handling rapid temperature swings from boiling washdowns to ice-cold rinses.
Pharmaceutical Cleanroom
High-Purity Chemical Drainage
- The Challenge: A chemical processing plant needed to upgrade its floor and drainage to meet stringent FDA validation standards, requiring materials that wouldn’t leach or react with aggressive solvents.
- The Solution: Installed an inert, chemical-resistant resinous flooring system seamlessly tied into a custom, radius-cornered Food Safe Drains sanitary basin.
- The Result: A perfectly flush, easily sanitized environment that passed validation audits with zero compliance friction.
How We Work
Every project follows our proven methodology—from initial consultation to final walk-through.
Provide Solutions. Meet Expectations. Make Floors…
the Hardig Way.
Consultation & Site Assessment
We visit your facility, understand your challenges, and evaluate your existing conditions.
Detailed Proposal
You receive a comprehensive plan specifying the right flooring system for your needs.
Professional Installation
Our crews execute with precision and minimal disruption to your operations.
Follow-Up Support
We ensure complete satisfaction and provide long-term maintenance guidance.
What You Can Count On
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Craftsman-Level Care
We treat your facility with the same respect we'd expect for our own. Every square foot matters.
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Zero-Surprise Process
Clear timelines, transparent communication, and technical expertise you can rely on throughout the project.
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Minimal Disruption
We adapt to your schedule and work seamlessly with your team to keep operations running.
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Complete Accountability
One team takes ownership from initial assessment to final walk-through. Your problems become our responsibility.
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Satisfaction Guaranteed
We don't leave until the job is done right. Complete satisfaction or we keep working until we earn it.
