In food processing cleanrooms, controlling contamination is a central focus.
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Cleanrooms play a critical role in preventing the growth of bacteria, molds and other potential pathogens. Microbial contamination can lead to foodborne illnesses, which pose significant health risks to consumers and can result in costly recalls and damage to a company’s reputation.
The sterile environment of a cleanroom minimizes the risk of contamination, help to ensure the safety, shelf life and integrity of food products. These facilities help mitigate risks by providing a controlled environment where air quality, temperature, humidity and particulate levels are tightly regulated. This is essential in processes such as the packaging, filling and handling of ready-to-eat foods, dairy products, beverages and other perishable items.
Determining the appropriate type of cleanroom to meet these guidelines hinges on a range of factors – taking into account industry standards, regulations, cleaning feasibility, particulate concentration and others.
The International Organization for Standardization (ISO) has established specific cleanroom classifications to suit various cleanliness needs under the ISO -1 standard. These nine classification levels are based on the maximum number and size of particulates allowed per cubic meter, with a Class 1 designation being the cleanest. Food and beverage cleanrooms typically adhere to ISO Class 7 or 8 standards, balancing the need for cleanliness with practical considerations for food production environments.
Surfaces within these cleanrooms are often treated with antimicrobial coatings that prevent the growth and spread of harmful microorganisms. Continuous monitoring of microbial load and airborne particulates ensures that the cleanroom environment remains within acceptable limits.
Adhering to ISO standards helps promote compliance with food safety regulations – essential for successful food and beverage operations. In the United States, the Food Safety Modernization Act (FSMA) – enacted and enforced by the U.S. Food and Drug Administration (FDA) – focuses on preventing contamination rather than responding to it. Properly constructed and operated cleanrooms –ones that implement preventive controls, including maintaining sanitary conditions, proper hygiene practices and environmental monitoring – are instrumental in not running afoul of the FSMA.
Many operations adopt an approach centered on Hazard Analysis and Critical Control Points (HACCP), a systematic approach to food safety that identifies potential hazards and implements critical control points to mitigate risks.
In addition, the ISO standard specifies the requirements for a food safety management system up to the point of final consumption. Cleanrooms help organizations meet these ISO requirements by maintaining stringent control over environmental conditions and implementing robust cleaning and sanitation protocols.
By adhering to these guidelines, laws and standards, facilities can ensure their cleanrooms are effective and compliant. This proactive approach not only safeguards public health but also enhances a facility’s operational efficiency and credibility.
In food and beverage cleanrooms, the choice of coatings is critical to maintaining a hygienic environment.
Antimicrobial coatings contain agents that disrupt the cellular functions of microorganisms, effectively preventing their growth on walls, floors and other surfaces. This is particularly important in areas where food contact is possible, as it helps maintain a sanitary environment.
Coatings certified for food contact surfaces meet stringent safety standards and are free from harmful substances that could contaminate food. Regulatory agencies, including the FDA, provide guidelines and approvals for such coatings, ensuring they are safe for use in these environments.
These coatings are also formulated to withstand rigorous and frequent cleaning protocols – often with strong disinfectants – and maintain their integrity and effectiveness over time. Cleaning processes also often involve high-pressure washdowns for thorough sanitation, demanding that coatings resist degrading or peeling.
Coatings must also prevent cross-contamination from allergens, which is a significant concern in food processing. This involves using non-porous, easy-to-clean coatings that do not harbor residues. In addition to allergens, coatings should act as barriers against pathogens. Smooth, seamless coatings that eliminate crevices where bacteria and other microorganisms can hide are ideal.
By selecting coatings that meet these specific requirements, food and beverage facilities can ensure their cleanrooms remain compliant with industry standards, safe for processing and effective in maintaining a contaminant-free environment.
Flooring systems play a pivotal role in maintaining a sanitary environment – and ensuring the safety of both products and personnel – while enduring the harsh conditions typical in product processing areas.
Subjected to frequent cleaning with strong disinfectants and detergents, flooring must be resistant to chemical exposure to prevent degradation, ensuring a long-lasting hygienic surface.
Smooth, seamless resinous flooring systems – both epoxies and urethanes, and combinations of the two – must be impervious to moisture to prevent water ingress. With no crevices or joints where dirt and microbes can accumulate, these systems facilitate easy and thorough cleanings without suffering long-structural damage.
A key component often utilized in food and beverage cleanroom flooring systems is a cove base (Figure 1), which creates a seamless transition between the floor and wall surfaces. This feature not only enhances aesthetic appeal but facilitates an ease of cleaning by ensuring that no gaps or crevices are present at wall-to-floor transitions.
In wet and potentially slippery environments, flooring must offer slip resistance to protect personnel from accidents. Textured or specially coated surfaces can provide the necessary traction to prevent slips and falls. Some cleanrooms require a moisture vapor barrier (MVB) as a line of defense against moisture vapor transmission that can be detrimental to the safety and integrity of a cleanroom environment.
Scratch-resistance is also a key quality that promotes longevity, reducing the potential for surface damage that could compromise cleanliness standards. This resilience contributes to the overall durability of the cleanroom environment. By cutting down on repairs and replacements, these systems also help save costs and promote sustainability efforts.
In food and beverage cleanrooms, walls must withstand various forms of wear and tear – including exposure to moisture, impacts, abrasion and chemicals.
High-performance wall systems are crucial for protecting against long-term damage in these environments. They provide essential functions such as imperviousness, ease of cleaning, and resistance to moisture and microbial growth (Figure 4).
Fiber-reinforced epoxy resin systems create a protective barrier against contaminants. Specifically designed for application to walls and ceilings, these systems offer exceptional durability, ease of application and excellent performance – including resistance to UV light, which is not typical of traditional epoxy systems.
Smooth wall coating systems with no pinholes or gaps are relatively easy to sanitize and maintain, with options for power washing and resistance to vaporized hydrogen peroxide (VHP). Seamless surfaces eliminate crevices where grime can accumulate, inhibiting the collection of dust, dirt, fluids and microbes.
These systems should consist of multiple layers, including epoxy and urethane topcoats, engineered to resist the cleaning regimens required. They help control humidity, minimize outgassing and prevent particle infiltration by being impermeable. Fiberglass-reinforced coatings can be included for added impact resistance.
Cleanroom ceilings should also offer the resilience to withstand daily washdowns. These systems may include two-component, water-based urethanes and a single-component, low-VOC, UV-resistant acrylic clear coat, providing protection against corrosion from sanitizing agents.
A breathable, water-based epoxy intermediate coat on ceilings can enhance durability and longevity. These ceiling coatings proactively address maintenance needs, helping to minimize downtime and ensure continuous compliance with food safety standards.
Fire safety is a critical aspect of maintaining safe and compliant food and beverage facilities. Given the potential presence of flammable ingredients, high-heat equipment and various other fire hazards, implementing effective fireproofing measures is of utmost importance. These measures must not only protect against fire risks but also ensure they do not compromise food safety.
Many food processing operations involve the use of flammable ingredients, such as oils, alcohols and certain chemicals used in cleaning or preservation. Additionally, ovens, fryers and stoves can pose significant fire risks if not properly managed.
When constructing or renovating food and beverage facilities, using fire-resistant building materials – such as fire-rated drywall, ceilings and flooring – can provide an additional layer of protection. Utilizing fire-resistant insulation and barriers around high-risk areas can prevent the spread of fire to other parts of a facility.
Steps taken to fireproof cleanrooms mainly focus on protecting the steel structure. The selection and application of fireproofing materials and systems should not introduce contaminants that could jeopardize sensitive food- and beverage-related processes.
These materials must be non-toxic, especially in environments where they might come into contact with food or food preparation surfaces. Materials should be chosen that do not emit harmful fumes or leave residues that could contaminate food products.
Traditional cementitious spray-applied fire-resistive materials (SFRMs) – while commonly used in other environments – can pose challenges in food and beverage facilities due to the risk of creating dust. Generally, epoxy coatings are cleaner and more effective in these settings. Unlike SFRMs, epoxy coatings do not outgas or release airborne particulates, thus minimizing contamination risks.
Specialized passive fire protection (PFP) solutions, including intumescent fire-resistive materials (IFRMs), are often preferred choices for their cleanliness and effectiveness (Figure 5). In addition, the coatings can be applied offsite (Figure 6), enhancing the quality of applications, minimizing overlap with other trades at the construction site and enabling faster project completions.
By integrating effective fireproofing strategies and materials that prioritize both fire safety and food safety, facility owners can significantly reduce the risk of fire-related incidents. This dual focus ensures the protection of personnel, the facility and the food products themselves, maintaining a safe and compliant operation.
Read on for an introduction to food safety, food safety considerations for 3D printing, and a variety of methods to produce food safe products with common 3D printing processes, including stereolithography (SLA) , fused deposition modeling (FDM) , and selective laser sintering (SLS) .
Food safe 3D printing is possible and the variety of materials approved as food safe is increasing, but there is a high degree of ambiguity around the workflows and finding the appropriate applicable regulations can be a challenge.
These benefits can be compelling for a range of food-related applications. However, if 3D printed parts are intended for food contact items, you‘ll have to consider safety practices and regulations to avoid contact with toxic substances and prevent the buildup of harmful bacteria.
3D printing offers unparalleled design freedom to produce custom parts and complex or organic shapes that would be costly or impossible to manufacture with traditional manufacturing methods.
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To begin, it’s important to clarify a few key terms:
Food grading and food safety concern a specific way to ingest parts, called migration. Particles as small as a few nanometers and up to several hundred nanometers may get transferred each time various materials encounter with each other, for example from components of the industrial 3D printer to the 3D printed object, and from the object to the food.
Because migration levels are very low on occasional contact, food grading typically concerns items that are in prolonged contact with food such as containers, straws, utensils, plates, and food molds. Different testing institutions will adhere to different government-imposed risk tolerances and approved substances, which for the US is described by the FDA CFR 21 and for the EU in guidelines 10/.
Look for these labels indicating FDA and EU approval. Beware that a material being ‘compliant with’ doesn’t mean that it is explicitly approved by the institutions, so always check the technical datasheets for a certificate.
To be considered food safe according to the FDA Food Code, a material has to meet the following requirements:
Any FDA or EU approved material includes not only the raw polymer but also the additives or masterbatch. These might contain components such as plasticizers, impact and heat distortion modifiers, UV-stabilizers, flame retardants, anti-fouling, anti-static, anti-slip, foaming and clarifying agents, anti-oxidants, aromatic nucleators, carbon alloys, phosphorescents, fillers, thickeners, chain extenders, metal deactivators, dyes, and a carrier resin.
A 3D printed part can turn into a petri dish squirming with bacteria within weeks. Even though some materials will survive the dishwasher, so will dangerous bacteria such as E. coli and salmonella that live in the little nooks and crannies. Some toxic molds find favorable growth conditions on several types of plastic and are hard to remove. Neither cleaning with bleach nor microwaving your polymers is an option for eliminating germs.
While bacteria buildup might not be an issue for disposable items, if you’re planning to create a part for long-term use, using a food safe coating is highly recommended.
The best option to reduce the risk of particle migration and bacteria buildup is by dip coating the 3D printed parts with a food grade epoxy or polyurethane resin, such as Masterbond’s EP42HT-2FG or ArtResin or an FDA approved PTFE (known as Teflon®) to seal their surface.
However, note that coating also doesn’t guarantee food safety for prolonged use as not all of these coatings are dishwasher safe, and they may degrade over time, exposing the original, potentially non-safe surface.
Most 3D printing materials have a low heat deflection temperature (HDT), which means that the 3D printed parts might become brittle and crack, or deform and warp at elevated temperatures. If you’re planning to clean a 3D printed part in a dishwasher, make sure to double check that the material is dishwasher safe and if there are any specific recommendations for washing temperature.
As particles might migrate from components of a 3D printer to 3D printed parts, it is crucial that any components that might come in contact with the 3D printing material or the part are food grade and do not contain or leach harmful chemicals.
This includes taking precautions when using multiple materials, as some materials previously used in the 3D printer might have contained toxic particles and made contact with some components.
Many 3D printing materials are not food safe and might contain toxic chemicals. Only use materials to 3D print parts intended for food contact that are certified for food safety.
As may be expected, the risk of migration is higher if the food is exposed to the 3D printed part for an extended time period. In general, try to limit food contact time and take further precautions for parts that will be in contact with food for longer periods of time.
Think about the reason why you’d like to use 3D printing for a food contact item. If it’s to create custom shapes and forms, in most cases, there are indirect ways to use 3D printing to create these custom parts, for example with molding. See an example in the next section.
SLA 3D printing uses a laser to cure liquid resin into hardened plastic in a process called photopolymerization, resulting in parts that have the highest resolution and accuracy, the clearest details, and the smoothest surface finish of all plastic 3D printing technologies.
Is resin food safe? The answer is no. Substances may migrate from SLA parts which makes none of the resins and printed parts food safe by default. While some resins for dental and medical applications are certified biocompatible, that doesn’t mean that they’re food safe. These materials are certified for specific applications and should not be used for food contact products.
SLA parts have a smooth surface finish that makes it easier to use coatings to seal their surface and prevent the buildup of bacteria. The factors which affect the ultimate smoothness of a part include resin type, layer thickness, build orientation, mesh triangulation resolution of the 3D model, and the curing profile of the SLA resin. Printed parts require washing and post-curing according to the manufacturer's instructions before the coating is applied. However, note that coatings don’t guarantee food safety, as the coating may interact with the resin or degrade over time, exposing the original, potentially non-safe surface.
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Creating custom molds is a common way to leverage the benefits of SLA 3D printing to produce highly detailed custom parts without having the 3D printing parts come into direct contact with food. While SLA 3D prints aren’t suitable for directly molding foods, (SLA) resin 3D printers are perfect tools to create mold negatives, which can be vacuum formed using food safe plastic.
The tools and techniques for creating 3D printed food molds are easy to master, and the results are often stunning.
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3D printed molds for thermoforming and silicone enabled the creation of unique shapes and designs.
Learn more about creating molds for vacuum forming in our in-depth tutorial.
Electroplating is the process of coating parts with metal using an electric current. The process is most commonly used for decorative purposes or to prevent corrosion by creating a durable surface.
SLA parts are ideal for electroplating due to their smooth surface finish. However, as plastics are nonconductive surfaces, SLA 3D prints have to be rendered conductive by coating with graphite, conductive lacquer, electroless plate, or a vaporized coating.
Food safe metal coatings are available, but as the process involves various chemicals, making sure that the workflow is approved for food contact is the developer’s own liability.
SLA 3D printing offers the unique possibility to produce ceramic parts. After 3D printing, parts can be fired in a kiln to burn out the resin and form a true ceramic part that is strong and heat-resistant. With subsequent food safe glazing, the parts will become more hygienic and resistant to most chemicals.
A variety of food safe glazes are available on the market, but make sure to follow the manufacturer’s instructions in accordance with food safety guidelines.
3D printing in ceramics is ideal for fabricating complex geometries that wouldn’t be possible by hand.
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FDM is a 3D printing process that builds parts by melting and extruding thermoplastic filament, which a print nozzle deposits layer by layer in the build area.
The extruded material is circular in cross-section, which leaves very narrow crevices in between layers with a depth directly proportional to layer height. It is recommended in any case to print at the lowest feasible layer height for food safe parts.
Consequently, the main challenge with FDM parts is avoiding the buildup of bacteria. To be truly food safe in the long term, an FDM 3D print needs to have a smooth surface. Chemical smoothing with solvents like acetone, d-Limonene, or ethyl acetate removes many of the irregularities of the print resulting in a smooth, glossy appearance. However, applying a subsequent food safe coating is still highly recommended.
Layers showing on FDM (left) and SLA (right) 3D prints.
Food grade filaments do not contain any composite particles so will not wear down the nozzle into the print. Nevertheless, avoid brass nozzles that contain lead and use a dedicated stainless steel nozzle instead for all food contact items.
Always check the compatibility of your 3D printer’s components with the filament. For example, PEI is a material that is FDA compliant and offers great mechanical benefits but needs to be processed at over 300 °C, which requires a specific printer solution.
The most common questions around FDM food safety concern two popular materials. Is PLA food safe? Is ABS food safe? The answer is, it depends.
Food safe 3D printing filaments include PLA, PP, co-polyester, PET, PET-G, HIPS, and nylon-6, as well as some brands of ABS, ASA, and PEI. Having to run parts through the dishwasher rules out PET, nylon, and PLA because these plastics soften and distort around 60–70 °C. For applications involving hot liquids, co-polyester, High Temperature PLA or PEI are most suited.
While not reflected in the regulations, some studies suspect that polystyrene may leach styrenes, co-polyesters might cause health concerns and that food grade FDM filaments might lose their safe status due to oxidation and thermal degradation from the printing process.
Food grade ceramic coatings is the ceramic-like nature resins used in cookware. The food grade ceramic coatings are characterized by higher durability, scratch resistance, and easy clean, non-sticky properties. Additionally, the primary distinguishing feature of food grade ceramic coatings would be the varying levels of temperature resistance.
Food grade ceramic coatings are referred to as the materials which are applied to the substrate of components and mechanical parts of various cooking appliances to enhance the wear and restore the worn parts. Addition of food grade ceramic coatings is known to render a lot of benefits to the consumers as the coatings are known to augment the functional properties of the components and mechanical parts to which the coatings are added.
Food grade ceramic coatings have become popular in the food processing industry due to its unique properties. Among its various end-uses, the baking industry remains the major user of food grade ceramic coatings as the coatings operate under higher temperatures along with more significant cost savings. Increase in the number of foodservice outlets at organized and unorganized levels has resulted in a higher demand for ceramic cookware which can be washed using a dishwasher which saves time, labor and costs.
Most of the traditional coatings used in cookware are not dishwasher friendly. There has been higher availability of various bright colored food grade ceramic coatings for cookware than compared to the PTFE coatings. This factor will drive the higher growth of food grade ceramic coatings over the forecast period.
Most of the organized food processing companies and major foodservice outlets are concentrated in the west including North America and Europe. With Europe having a major share in the baking industry is likely to be a major center for food grade ceramic coatings consumption over the forecast period.
Some of the key players operating in the global Food Grade Ceramic Coatings market are GMM, Endura Coatings, Surface Technology, Chemours, Asbindustries and others.
Manufacturers of food grade ceramic coatings have been focusing on adopting innovative materials and introduce production methods to launch high-efficiency food grade ceramic coatings which have more extensive applications and comply with food safety regulations. The innovations in production methods of includes aspects like offering stick resistance cook surface, abrasive resistance, thermal resistance, and others. This is carried by various processes like offering a metal composite layers or other material layers.
Case Study 1: GMM introduced a ceramic coating under the brand DURACERAM with cutting edge double coat coating PTFE free, with higher durability and abrasion resistance. DURACERAM is known to offer higher advantages as compared to other ceramic coatings in terms of easy cleaning and offers high-temperature resistance suitable for applications in griddles, iron sole plates, woks, curling irons, and cookware.
Case Study 2: According to Espacenet, Zhuhai Xuguang New Mat Co Ltd filed a patent for ceramic coating published in the year . The invention relates to ceramic coating capable of allowing the surface of a coating layer to be uniformly heated and a preparation method thereof. The ceramic coating comprises primer and finishing coating.
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Increase in demand for vibrant colored, multifunctional properties, the cost-effectiveness of ceramic materials over traditionally used coatings has boosted sales of food grade ceramic coatings in the recent years. Manufacturers are offering food grade ceramic coatings with unique features to gain consumers attention with labeling like Polytetrafluoroethylene (PTFE), Perfluorooctanoic acid (PFOA) free, dishwasher-safe, non-stick, corrosion resistant, induction capable and operates under high temperatures, electrical resistivity and useful for various household cookware and industrial food processing applications.
The factors while selecting food grade ceramic coatings will vary depending on the application as there will be different food grade ceramic coatings for bakeware and different for cutting applications.
Manufacturers of food grade ceramic coatings need to comply with the various regulations laid by Food and Drug Administration (FDA) and the United States Department of Agriculture (USDA).
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The food and beverage industry is a hard-hitting, fast-paced environment that demands food safe, hygiene awareness no matter the rush. Picture the scenes from our television screens. Every one of them will include a hygiene coating or a food safe paint:
The Great British Menu has steam powdering the ceilings and walls, sweat-furred brows dashing between kitchen tops, and blue plasters protecting poorly fingertips that have felt the fury of the kitchen flurry.
Gordon Ramsay unmasks mould, dirt and pre-heated e-coli on Kitchen Nightmares before shutting down restaurants in full flow on a Friday.
Even the idyllic Great British Bake Off tent adheres to rigorous Health and Safety regulations before every round of flour-throwing frolicking.
When it comes to painting and coating kitchens, food halls, abattoirs or dairies, the same health and safety rules apply, and they are essential in keeping a business open – who’d want to run or dine out at a 1-star rated eatery after all?
First and foremost, it is important to try and differentiate between the terms ‘food safe’ and ‘hygienic’. What are the regulations? Do they apply to my commercial kitchen, common room or workplace? And if so, what paperwork must be adhered to?
If your varnish or coating will come into physical contact with food products, say in a silo for example or a food packaging plant, then there will be regulations required and you may need a food safe paint.
The European Commission has very strict rules on the amount of Bisphenol A (BPA) that can be included in varnishes and coatings coming into contact with food.
A new regulation was drawn up in February (Regulation (EU) /213) further tightening the rules of how much BPA in varnishes and coatings can be used when packaging or manufacturing food. This has been changed to 0.05mg per kg of food and comes into force on September 6, .
The regulation has been published and the full wording can be found here. It is also worth noting that any stock packaged before this date will be acceptable in the eyes of the European Food Safety Authority (EFSA).
You will also find paints that adhere to United States law on food contact, such as some Rust-Oleum products. The U.S. Food and Drug Association has its own Code of Federal Regulations. To save you some time (and a rollercoaster read, I tell thee) the section of the papers covering Resinous and Polymeric Coatings was updated in August and is available on the Electronic Code of Federal Regulations (EFCR) website.
As long as you don’t bounce meatballs off your kitchen walls or season your steak on the canteen floor, then it should be okay to opt for a hygiene coating.
In today’s cold-calling culture of PPI claims, fictional collisions and accident helplines, Health and Safety is under constant public scrutiny. According to the HSE, slips at work are still the highest cause of accidents in the workplace and to members of the public visiting your establishments.
The Workplace (Health, Safety and Welfare) Regulations are still in force in the United Kingdom for the well-being of the public and your employees. Regulation 12 requires floors to be in an appropriate condition for accident-free movement. The full wording of the regulation is available on the government website. If you wish to find out more about measuring the anti-slip qualities of your floor, there is also a PDF explaining these experiments available on the HSE website.
Food and beverage environments require an abrasive, hard-wearing, chemical resistant and easy-to-clean wall and flooring. Furthermore as a general rule, the more seamless the better.
Epoxy resin systems boast these components in a variety of combinations. We sell ultra-fast curing systems, cold cure systems for walk-in refrigerators and non-slip, decorative coatings for school canteens, common rooms and markets from leading UK suppliers, including Coo-Var, Rust-Oleum, Resin Surfaces Limited, Blackfriar, Sika and Rawlins.
Resin Surfaces Limited (now part of the Sherwin-Williams family) have an excellent range of epoxy resin coatings. Resuthane TG69 can be seen in the above image, where it was employed at London’s iconic Billingsgate Fish Market.
Selling over 25,000 fish a year, the Canary Wharf attraction commissioned a floor that would require excellent anti-slip and anti-abrasion qualities. It was also imperative to have a floor coating that could be installed without halting the industry and suffering economically. Resuthane TG69 was later utilised for the kitchen flooring of London’s Bankside Hilton, which opened in . Their products have also been used in the factories of KP Nuts, Cadbury’s and McVitie’s.
Resuthane comes in a variety of ranges to suit your environment. FasTop Multi WR (formerly known as Resuthane JT40) is a water-based render for walls and coving. FasTop Multi RS69 (formerly known as Resuthane RS69) is an aggressive screed designed to withstand liquid temperatures of up to 120°C. The strength of the slip-aggregate can also be diversely altered on Resuthane products to suit your exact needs and the thickness of your floor.
RSL’s products are independently regulated by Campden BRI, a safety and quality service that supports the food and beverage industry. They are an accredited company that focus on health and safety. For more information on their work, do visit their website.
The installation of an epoxy resin flooring system does not have to carry vast financial implications. If you are running a busy restaurant or a budding brewery, you may not wish to shut down the entire operation.
Coo-Var Profloor Plus FH is a solvent-free, two-pack epoxy resin that is designed to allow the re-laying and coating of an industrial floor the same day. It is an economic and food-friendly solution for when downtime is not an option.
For less ambient temperatures such as walk-in refrigerators where shelf-life is key, RSL and Rust-Oleum have created cold-curing resins to maintain a safe and healthy environment.
RSL’s Resutop Cold Cure is a two-pack, heavy-duty, fast-curing epoxy resin with chemical resistant qualities and a smooth gloss finish. It offers this resistance at temperatures as low as 5°C, and the fast-curing allows you to not worry about exposing stock to warmer temperatures for unhealthy time periods.
If you do require a coating intended for food contact surfaces, we stock a range of food-safe paints that possess the qualities required to protect your floors, walls and tiles in industries where there are high levels of fats, oils and heat such as the Food and Beverage industry.
For certified wall and ceiling topcoats, Rust-Oleum Hygienic Wall Coating and Rust-Oleum Hygienic Acrylic Wall Coating offer protection from mould, mildew, and high humidity. Rust-Oleum is better for refrigerated areas, whilst Rust-Oleum can be applied up to three times in one day. They should also be primed with Rust-Oleum or Hygienic Primer (applying the primer with the nearest product number).
If you have even the mildest of concerns about which of these products would be right for you, our technical team are just a call away on 245 and would be delighted to discuss your project. Alternatively, leave a comment on this blog and one of our web team will get back to you as soon as they can. Our experts can also be contacted via on [ protected].
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