From JPCL November/December 2024
In healthcare, life science and pharmaceutical settings, floors are the unsung heroes of daily operations. Enduring constant foot traffic, exposure to harsh chemicals and rigorous cleaning routines, flooring systems in these spaces do more than provide a surface—they are a fundamental element that support safety, efficiency and compliance with strict standards (Fig. 1). When flooring isn’t up to par, it can impact everything from workflow to safety protocols, underscoring the need for solutions designed specifically for these demanding environments.
Unlike typical commercial spaces, floors in healthcare settings must endure harsh sterilants, temperature shifts, heavy equipment and continuous movement—all while maintaining a seamless, hygienic surface. Meeting these demands requires durable flooring coating systems that go beyond the basics.
Newer advanced urethane-like chemistries are now providing solutions for these spaces by offering ultra-high-solids formulations that create durable, rapid-curing coatings. These formulations can minimize downtime during installation and maintenance—a key factor in busy, sensitive facilities. These include advanced polymer technology coatings that cure quickly and enable two coats to be applied on the same day, while also providing extended working time for convenient installation. These features allow installers to adapt to various schedules and create consistently reliable surfaces in high-demand areas like cleanrooms and laboratories.
Unlike traditional urethane-based products, new offerings are also free of isocyanates (ISOs), offering a safer application without sacrificing the benefits of polyaspartic-like performance. These properties make the floor coatings resilient options for contractors, applicators and healthcare facilities.
Of course, selecting the right flooring system is more than a product choice – it’s an opportunity to simplify installation, improve efficiency and strengthen business relationships with healthcare and pharmaceutical clients. Flooring solutions with high durability, rapid curing and chemical resistance are key when aiming to minimize disruptions and prevent future maintenance costs.
By utilizing these attributes, contractors can achieve successful installations that meet the unique demands of healthcare environments and keep facility managers satisfied for the long term.
As in any industry, one of the main challenges contractors face in healthcare and pharmaceutical settings is managing tight schedules and coordinating with other trades. Flooring installations often occur within strict windows of opportunity—after hours or during planned facility shutdowns, which may only run for 48 hours over a weekend. This means contractors need a flooring system that can offer both a fast return to service and the flexibility to handle varying project conditions without rushing or sacrificing quality.
The ideal flooring system offers extended working time for applicators while still allowing foot traffic in a short period. For example, one particular ultra-high-solids urethane-like product has a 20-minute working window at standard ambient temperatures, which gives crews the ability to manage larger spaces or staged areas more effectively. This extended application time can minimize pressure on applicators, helping them avoid mistakes or inconsistencies, particularly when dealing with intricate patterns or thick broadcast finishes. In contrast, some other coatings can be vulnerable for hours after application; some resins remain susceptible to damage for several hours, polyaspartics for up to 90 minutes and certain polyurethanes for 4 to 6 hours.
Yet, despite urethane products offering this flexibility, some products cure quickly enough to allow foot traffic within just a couple of hours. This balance can help contractors finish installations efficiently, minimizing downtime for facility operations and reducing delays for other trades. This is a considerable advantage in high-stakes environments where time truly equals money.
Another essential factor to consider is the impact of odors during installation. Hospitals, cleanrooms and production facilities need to maintain air quality for patient and staff safety. In these facilities, traditional flooring systems based on methyl methacrylate (MMA), certain epoxies or isocyanate-based urethanes can create strong fumes that raise potential health concerns and require extensive ventilation. In addition, MMAs typically have short working times, which limits installation windows.
A low-odor flooring system can address this challenge by emitting minimal volatile organic compounds (VOCs) during application. This allows contractors to work even in adjacent or semi-occupied spaces, reducing the need for special exhaust setups or downtime for the facility. For contractors, this opens up more scheduling flexibility and the potential to take on projects that might otherwise be restricted by odor constraints.
By reducing these downsides that have traditionally been a part of flooring installations, contractors are not only protecting the health of the occupants but also their crews who work with these products regularly. This improves overall job satisfaction and safety, which can translate to better retention and less absenteeism among installation teams.
Durability is a key attribute for any flooring system in healthcare and pharmaceutical settings. These floors can endure daily exposure to harsh cleaning agents, sterilants and chemicals used in manufacturing processes. Without sufficient chemical resistance, coatings can degrade, peel or discolor over time—compromising both the safety and appearance of the facility.
Facility owners and specifiers should look for flooring systems that use advanced polymer chemistry, which provides superior resistance to aggressive chemicals, cleaning agents, sterilants and heavy equipment. This resistance helps floors maintain a smooth, non-porous surface that’s easy to clean and less likely to harbor bacteria (Fig. 2). This level of durability not only supports compliance with hygiene standards but also minimizes the frequency of costly repairs or replacements.
Contractors bidding on projects can go beyond the specification by offering a highly durable system that delivers long-lasting protection and maintains its appearance over time, helping them differentiate themselves and build trust with clients who prioritize the lifecycle value of their investments.
When installing flooring, contractors often contend with variable temperatures and humidity levels. Advanced urethane systems offer a major advantage by allowing adjustments to the cure time based on these environmental factors, meaning installations can proceed smoothly without waiting for temperature or humidity levels to stabilize.
In these solutions, new approaches to formulating the hardener or catalyst have been found to enable a consistent cure rate, even in challenging conditions, saving time and reducing the frustration of waiting for ideal temperatures. This adaptability can allow contractors to confidently schedule projects year-round, without worrying about delays caused by seasonal or facility-related temperature shifts.
In addition, this flexibility minimizes issues related to seams or inconsistencies between batches, making it easier to roll a new batch into an existing one and achieve a seamless, uniform finish (Fig. 3). Solutions in large package sizes are particularly helpful, as they save time on mixing and pouring during on-site applications. Long pot life is another desirable feature, giving contractors more time to work with the product once it’s catalyzed, reducing the risk of rushed applications and resulting in a smoother finish.
The advanced polymer chemistry of urethane-like systems also contributes to efficiency, with low-viscosity formulas that can be mixed in as little as 30 seconds—compared to several minutes with traditional resins. This streamlined mixing time and the product’s adaptability to a broad range of temperatures allow contractors to maximize their time and reduce downtime.
Aesthetics matter just as much as performance in healthcare environments. A clean, bright floor communicates professionalism and supports visual cues for cleanliness, which is necessary for customer-facing areas and facility audits.
However, maintaining this fresh appearance can be difficult, particularly in areas exposed to natural light or heavy traffic. Ultraviolet (UV) resistance in a flooring system helps prevent discoloration and yellowing, resulting in decorative floors that remain clean and inviting.
For contractors, offering a UV-resistant solution can mean fewer callbacks and rework due to premature discoloration or fading. This is a potential key advantage when positioning the flooring system to clients who prioritize maintaining a polished, professional appearance in their facilities.
Labor efficiency is a significant concern for contractors, especially when dealing with fast-curing systems that require large crews to keep up with the application process. A flooring system that offers extended working time and simplified techniques, such as squeegee and backroll applications, can reduce the number of workers needed on-site.
A traditional MMA system, with its rapid cure cycle, often demands a larger crew—such as an eight-person team—to cover a large area quickly. However, while MMA may speed up the installation, crews can find themselves finishing before a full shift is over, leading to potential inefficiencies. Contractors may still need to pay the crew for a full day’s work, despite the shortened time spent on site.
By contrast, a more flexible epoxy system, which allows for longer working times, necessitates a smaller crew—often just four workers—to complete the same project within a similar overall timeframe.
This ability to reduce labor not only lowers costs but also streamlines project coordination, minimizing the risk of errors. Additionally, it optimizes the use of resources like vehicles and equipment, avoiding the daily mobilization costs associated with larger crews.
What’s more, using a single high-solids urethane-like product that serves as both a grout coat and a topcoat can further simplify the installation process. This dual-purpose capability reduces the need for multiple inventory items and training sessions, allowing crews to focus on execution rather than juggling different products and procedures.
Not all areas of healthcare and pharmaceutical facilities require the same level of durability. High-traffic zones or locations with heavy equipment may need thicker coatings to offer proper impact resistance and resist wear. Contractors should look for flooring systems that offer customizable thickness options without compromising performance or aesthetics, allowing them to adapt the solution to the specific needs of each area (Fig. 4)—including adding cove bases (Fig. 5).
For instance, a product that can be applied at thicknesses ranging from 8 to 30 mils provides the flexibility to reinforce floors where needed without compromising the overall finish. This adaptability not only enhances durability but also allows contractors to manage materials more efficiently, reducing waste and costs.
Some advanced polymer technology coatings offer versatile applications as clear grout coats and topcoats in decorative flake and colored quartz flooring systems. Certain solvent-based liquid coatings can incorporate mineral aggregates, silica sand or color quartz to provide the necessary non-skid texture and allow for thicker, more durable coats. This can significantly enhance impact resistance, reinforce the floor and add decorative value.
Contractors often face tight project timelines and complex installations. Choosing a single, multipurpose flooring solution can help streamline the process and reduce the potential for mistakes.
By eliminating the need for different products for grout coats and topcoats, advanced high-solids urethane-like products minimize the risk of mixing errors and incorrect product selection, saving time and enhancing job efficiency. This not only cuts down on callbacks but also simplifies inventory management by reducing the number of products crews need to handle on-site. Fewer inventory items mean fewer chances for mix-ups and more straightforward training for crews, allowing new team members to get up to speed quickly.
Additionally, ultra-high-solids urethane formulations (Fig. 6) are designed with efficiency in mind, allowing contractors to apply two coats in a single day with a rapid return to service. This combination of flexibility, durability and ease of use helps contractors complete projects on schedule while meeting the high standards of these environments.
Fig. 6. Ultra-high-solids urethane formulations provide a durable, efficient finish, allowing contractors to apply two coats in one day with quick return to service.
When it comes to flooring systems for pharmaceutical and healthcare facilities, there are unique considerations to make and sets of challenges to address. Meeting the strict demands of these environments requires careful consideration of factors such as durability, chemical resistance, odor levels, curing flexibility and ease of installation.
Products that use these high-solids urethane-like chemistry provide versatile, high-performance options that effectively balance fast curing with extended workability – allowing installations to proceed efficiently without compromising quality. By prioritizing these attributes in their choice of flooring systems, contractors can deliver reliable installations that support the operational needs of their clients while minimizing labor costs.
Whether it’s reducing downtime with quick-curing, high-solids products, protecting air quality with low-odor formulations or simplifying installations with dual-purpose solutions, the right flooring system can make all the difference. For contractors aiming to establish themselves as trusted partners in these sectors, utilizing a product that balances durability, flexibility and efficiency is key to building strong client relationships and securing future projects.
Mike Durbin, Market Segment Manager
Sherwin-William Protective & Marine
Michael C. Durbin is the Market Segment Manager, Pharmaceutical and
Data Centers at Sherwin-Williams Protective & Marine. Durbin has been with Sherwin-Williams since 1996, with a focus on multiple market segments
throughout his tenure. He is a NACE-certified Coating Inspector (Level III) with Nuclear Facilities Certification, and is also a published author for multiple industry sources. Durbin earned a bachelor’s degree from James Madison University.
Mark Merrifield, Market Segment Manager
Sherwin-Williams High Performance Flooring
Mark Merrifield is a Market Segment Manager for Sherwin-Williams High Performance Flooring. His responsibilities include delivering specification and technical support to customers and the company’s salesforce, as well as
market development within the resinous flooring and wall coatings business. He has over 35 years of resinous coatings experience, including 20 years with Sherwin-Williams, previously serving as a Sales Representative and a Technical Service Manager during which he assisted on numerous projects and conducted national and international training sessions.