SHERWIN WILLIAMS FC720: Ultimate Clearcoat – Best Value

When it comes to achieving a professional-grade finish on automotive paint projects, the SHERWIN WILLIAMS FC720 clearcoat stands out as a premier choice for both seasoned professionals and dedicated DIY enthusiasts. This high-quality automotive refinish clearcoat, paired with its medium universal hardener (FH612), promises exceptional durability, stunning gloss, and a finish that truly lasts. It is engineered to provide a superior protective layer over your basecoat, delivering a deep, mirror-like shine that enhances the vehicle’s aesthetic appeal.

SHERWIN WILLIAMS FC720 Clearcoat Overview

The SHERWIN WILLIAMS FC720 is a premium two-component urethane clearcoat system designed for high-performance automotive refinishing. This product is renowned in the industry for its exceptional clarity, deep gloss, and long-lasting protective qualities. It forms a durable barrier that safeguards the underlying basecoat from environmental elements, UV radiation, and daily wear and tear.

The system comprises two essential parts: the FC720 clearcoat itself and the FH612 medium universal hardener. When these components are mixed in the correct ratio, they undergo a chemical reaction that creates a robust, cross-linked polymer film. This film is what gives the clearcoat its superior hardness, chemical resistance, and outstanding optical properties.

Sherwin-Williams, a name synonymous with quality coatings, has engineered the FC720 to meet the stringent demands of modern automotive finishes. It’s formulated to be user-friendly, offering excellent flow and leveling characteristics that help minimize common application issues like orange peel. This makes it a favored choice for both professional body shops aiming for perfection and experienced hobbyists undertaking significant restoration projects.

The clearcoat’s high solids content contributes significantly to its ability to build a substantial film thickness with fewer coats. This not only saves time during application but also contributes to the deep, wet look that professional painters strive for. The resulting finish is not just aesthetically pleasing; it’s engineered to endure the rigors of road conditions, car washes, and varying climates for many years.

Understanding the proper application techniques is crucial for maximizing the benefits of the SHERWIN WILLIAMS FC720. This involves meticulous surface preparation, precise mixing, and controlled spray gun technique. The clearcoat’s formulation allows for good workability, providing a window for applicators to achieve a smooth, even layer across panels of various sizes and contours. Its versatility extends to different types of basecoats, making it a flexible solution for a wide array of automotive painting scenarios.

The FH612 hardener plays a pivotal role in the curing process, dictating the speed at which the clearcoat dries and hardens. The medium universal designation means it’s suitable for a broad range of ambient temperatures, offering flexibility in different workshop environments. Selecting the appropriate hardener speed based on temperature and humidity is a critical step in ensuring optimal cure and finish quality, preventing issues like solvent pop or slow dry times.

Ultimately, the SHERWIN WILLIAMS FC720 clearcoat system represents a commitment to excellence in automotive refinishing. It’s an investment in the longevity and appearance of any paint job, providing a protective top layer that rivals factory finishes. Its consistent performance and reliable results have solidified its position as a go-to product for those who refuse to compromise on quality.

SHERWIN WILLIAMS FC720 Key Features and Specifications

The SHERWIN WILLIAMS FC720 clearcoat is engineered with a suite of features that contribute to its outstanding performance and popularity. Understanding these specifications helps users appreciate the technical advantages this product brings to automotive refinishing. It’s not just a clearcoat; it’s a meticulously formulated system designed for superior results.

High Solids Content for Enhanced Build and Gloss

One of the primary advantages of the FC720 is its high solids formulation. This means a greater proportion of the liquid volume consists of film-forming components, leading to a thicker, more robust clearcoat layer with fewer applications. The high solids content directly translates to a deeper, richer gloss and a more pronounced ‘wet look’ that is highly desirable in automotive finishes. It also contributes to better chip resistance.

Superior UV Protection

Automotive finishes are constantly exposed to harsh ultraviolet radiation, which can cause paint to fade, chalk, and degrade over time. The FC720 incorporates advanced UV inhibitors that actively block harmful rays, significantly extending the life and vibrancy of the underlying basecoat. This crucial feature ensures that the vehicle’s color remains true and protected for many years, even under intense sunlight.

Excellent Chemical Resistance

Vehicles frequently encounter various chemicals, including fuel spills, oil, road salts, and cleaning agents. The cured SHERWIN WILLIAMS FC720 clearcoat forms an incredibly tough and chemically resistant barrier. This resistance helps prevent etching, staining, and degradation from accidental contact with these substances, maintaining the integrity and appearance of the finish.

Long-Term Durability and Chip Resistance

Beyond chemical and UV resistance, the FC720 provides exceptional physical durability. Its robust film is highly resistant to minor abrasions, scratches, and stone chips that commonly occur during driving. This inherent toughness ensures the clearcoat maintains its smooth, unblemished surface, preserving the vehicle’s resale value and aesthetic appeal. The cross-linking provided by the hardener is key here.

Fast Flash Times Between Coats

Efficiency is critical in automotive painting, and the FC720 is designed to facilitate quicker turnaround times. It boasts relatively fast flash times between coats, meaning the painter can apply subsequent layers more rapidly without waiting excessively for solvents to evaporate. This feature not only speeds up the painting process but also helps in building film thickness evenly and reducing the chances of solvent pop.

Medium Speed Universal Hardener (FH612)

The included FH612 hardener is a medium-speed, universal activator, making it versatile for a wide array of shop conditions. It provides a balanced cure rate that is neither too fast (which can lead to dry spray or difficulty leveling) nor too slow (which can extend cure times and increase contamination risk). This medium speed is generally ideal for temperatures ranging from 65°F to 80°F (18°C to 27°C), offering a good balance for most users.

Easy 4:1 Mix Ratio

Simplifying the mixing process is crucial for consistency and avoiding errors. The FC720 system features a straightforward 4:1 mix ratio by volume (4 parts clearcoat to 1 part hardener). This easy ratio minimizes confusion and ensures that the chemical reaction between the clearcoat and hardener occurs optimally, leading to a perfect cure and maximum performance. Proper measurement is always advised.

Kit Contents and Coverage

The product typically comes as a kit, including one gallon of FC720 clearcoat and one quart of FH612 hardener. This quantity is generally sufficient for painting a full-sized vehicle, depending on the number of coats applied and the size of the vehicle. The generous volume provides ample material for significant projects, making it a cost-effective solution for comprehensive refinishing tasks. For smaller jobs, careful planning can allow for multiple uses.

Excellent Flow and Leveling Properties

Achieving a smooth, defect-free finish is paramount, and the FC720 excels in this regard due to its excellent flow and leveling characteristics. The clearcoat spreads evenly and smoothly across the surface, minimizing the appearance of brush strokes or spray patterns. This self-leveling property helps to reduce the need for extensive post-sanding and buffing, saving time and effort in the finishing stages. It contributes directly to the mirror-like finish.

In summary, the SHERWIN WILLIAMS FC720 is a high-performance clearcoat system built on a foundation of advanced chemistry and practical application considerations. Its combination of high solids, robust protection, and user-friendly characteristics makes it an exceptional choice for anyone seeking a durable, high-gloss finish for their automotive projects. The specifications underscore its professional-grade capabilities.

Pros and Cons of the FC720 System

Every product has its strengths and weaknesses, and the SHERWIN WILLIAMS FC720 clearcoat is no exception. While it offers numerous benefits that make it a top contender in the automotive refinishing market, it also comes with considerations that users should be aware of. A balanced understanding helps in making an informed decision about its suitability for a given project.

Pros:

• Exceptional Gloss and Depth: The FC720 is celebrated for its ability to deliver an incredibly deep, mirror-like gloss that significantly enhances the vehicle’s appearance. It provides a luxurious ‘wet look’ finish, making colors pop and giving the painted surface an almost liquid-like quality. This high level of gloss is often compared to factory finishes or even custom show car paint jobs.
• Outstanding Durability: This clearcoat forms a remarkably tough and resilient layer. It is highly resistant to a wide range of physical and chemical assaults, including minor scratches, stone chips, and common automotive fluids. This robust protection ensures the underlying basecoat remains pristine, extending the lifespan of the paint job considerably.
• Superior UV Resistance: Prolonged exposure to sunlight is a major enemy of automotive paint, leading to fading and degradation. The advanced UV inhibitors in the FC720 effectively shield the basecoat from harmful UV radiation. This critical feature helps maintain the original color vibrancy and prevents the clearcoat itself from yellowing or chalking over time, preserving the finish’s aesthetic integrity.
• Ease of Application: Despite being a professional-grade product, the FC720 is known for its user-friendly characteristics. Its consistent flow and excellent leveling properties minimize common application issues like orange peel or dry spray. The straightforward 4:1 mix ratio simplifies preparation, reducing the chances of mixing errors and contributing to a smoother, more consistent finish.
• Versatility for Various Projects: The FC720 system is highly versatile, making it suitable for a broad spectrum of automotive refinishing tasks. Whether you’re undertaking a complete vehicle repaint, performing spot repairs on individual panels, or working on custom automotive projects, this clearcoat delivers reliable results. Its adaptability ensures it can be integrated into diverse workflows and project scales.
• Excellent Value for Money: Considering its professional-grade performance and the quality of the finish it provides, the FC720 offers excellent value. While it may not be the cheapest option on the market, its longevity, durability, and superior aesthetic results often translate into long-term savings by reducing the need for premature repaints or extensive maintenance. It’s an investment in a lasting, high-quality finish.
• Reputable Brand Support: Sherwin-Williams is a globally recognized leader in the coatings industry, known for its extensive research, development, and quality control. Choosing the FC720 means benefiting from the brand’s long-standing reputation for producing reliable and high-performance products. This provides peace of mind regarding product consistency and technical support.

Cons:

• Requires Proper Ventilation and PPE: Like most two-component automotive clearcoats, the FC720 contains volatile organic compounds (VOCs) and isocyanates in the hardener. These emit strong fumes that can be harmful if inhaled. Therefore, strict adherence to safety protocols, including working in a well-ventilated area and wearing appropriate personal protective equipment (respirator, gloves, eye protection), is absolutely essential. This is not a product for casual use in an unequipped space.
• Temperature and Humidity Sensitivity: Achieving optimal results with the FC720, particularly with the FH612 medium hardener, is highly dependent on ambient environmental conditions. Extreme temperatures (too cold or too hot) or high humidity can significantly impact flash times, cure rates, and the final appearance of the clearcoat. Maintaining a controlled environment is crucial for preventing defects like solvent pop, blushing, or slow drying.
• Skill Level Required for Perfection: While the FC720 is considered user-friendly for a professional product, achieving a truly flawless, show-quality finish still demands a significant level of skill and experience in automotive painting. Factors such as spray gun setup, proper gun distance, speed, overlap, and trigger control are critical. Beginners may face a learning curve to master its application and avoid common defects.
• Limited Pot Life Once Mixed: As a two-component product, the FC720 has a limited pot life once the clearcoat and hardener are mixed. This means the mixed product must be used within a specific timeframe (typically a few hours) before it begins to gel and become unusable. This necessitates efficient planning and application, as any unused mixed product must be discarded, leading to potential waste if not managed properly.
• Additional Equipment and Supplies Needed: The FC720 is just one part of the painting process. To apply it effectively, users will need a range of additional equipment, including a high-quality HVLP or RP spray gun, an air compressor, air filters, reducers (if necessary for specific conditions), mixing cups, strainers, and comprehensive safety gear. These additional costs and requirements should be factored into the overall project budget.

Weighing these pros and cons helps users determine if the SHERWIN WILLIAMS FC720 is the right choice for their specific needs and capabilities. For those with the right setup and experience, its benefits far outweigh its drawbacks, delivering a truly outstanding automotive finish.

Who Should Buy the SHERWIN WILLIAMS FC720?

The SHERWIN WILLIAMS FC720 clearcoat system is a high-performance product, and as such, it caters to a specific segment of the automotive refinishing community. Its quality and requirements make it an ideal choice for certain users, while others might find it to be overkill or too demanding for their current setup. Identifying the target audience is crucial for ensuring satisfaction and optimal results.

Professional Auto Body Shops and Painters

This clearcoat is a staple in many professional auto body and collision repair centers. Professional painters rely on the FC720 for its consistent quality, outstanding durability, and ability to deliver factory-level or better finishes. Its efficiency in application and robust protective qualities contribute to customer satisfaction and the longevity of their repair work. The quick flash times and reliable cure rates help maintain productivity in a busy shop environment.

Experienced DIY Car Enthusiasts

For the dedicated and experienced DIY car enthusiast who is serious about achieving a show-quality finish at home, the FC720 is an excellent investment. These individuals typically have a well-equipped home garage with proper ventilation, a quality spray gun, and a good understanding of automotive painting techniques. They are willing to invest the time and effort required to master the application process and appreciate the superior results the FC720 offers. This includes those performing full repaints on their personal vehicles or restoration projects.

Custom Car Builders and Restorers

Custom car builders and classic car restorers often demand the absolute best in terms of finish quality, depth, and durability. The SHERWIN WILLIAMS FC720 excels in these areas, providing the deep gloss and long-lasting protection necessary for show cars and valuable restoration projects. Its ability to withstand environmental elements and retain its clarity over decades makes it a preferred choice for preserving the beauty and investment in these unique vehicles. The aesthetic appeal it offers is unmatched.

Individuals Seeking Long-Lasting Protection

Anyone whose primary goal is to protect their vehicle’s paintwork for the longest possible time will benefit from the FC720. Its superior UV resistance, chemical resistance, and physical durability mean the paint job will look great and remain protected against fading, chipping, and environmental damage for many years. This is especially important for vehicles kept outdoors or those that endure harsh driving conditions. The robust film ensures peace of mind.

Those with Proper Equipment and Safety Measures

Crucially, the FC720 is best suited for users who possess the necessary equipment, including a high-quality spray gun, an adequate air compressor, and, most importantly, a well-ventilated workspace with appropriate personal protective equipment (PPE). The solvents and hardeners in this product require careful handling and robust safety precautions. Without these, application can be hazardous and the results compromised. Safety should always be the top priority.

Who Might Find it Less Suitable?

Conversely, beginners with no prior painting experience, those without access to proper spray equipment, or individuals who cannot ensure adequate ventilation and safety will find the FC720 challenging. For small, non-critical repairs or touch-ups, a simpler, single-stage clearcoat or aerosol product might be more appropriate. The investment in equipment and the learning curve can be steep for first-timers, making it less ideal for casual projects.

In conclusion, the SHERWIN WILLIAMS FC720 is a premium clearcoat designed for serious automotive refinishing. It rewards users who have the skill, equipment, and dedication to proper application with an unparalleled finish that is both beautiful and exceptionally durable. It’s a product for those who truly value quality and longevity in their automotive paintwork.

For more detailed technical information on Sherwin-Williams automotive finishes, you can visit the official Sherwin-Williams Automotive Finishes website. This resource provides extensive data sheets, application guides, and product catalogs to further assist in your projects. Understanding the manufacturer’s recommendations is key to achieving the best possible results with any clearcoat system.

Additionally, for those looking to deepen their understanding of automotive painting techniques and best practices, a reputable resource like Autobody Toolmart’s Automotive Paint Guide can be invaluable. Such guides often cover topics from surface preparation to final clearcoat application, offering a holistic view of the refinishing process. Combining high-quality products like the FC720 with expert knowledge ensures a successful outcome.

FAQ about SHERWIN WILLIAMS FC720

Here are some frequently asked questions about the SHERWIN WILLIAMS FC720 clearcoat system, providing practical answers to common queries that users may have before, during, and after application. These insights aim to clarify usage, address concerns, and help achieve the best possible finish.

Q1: What is the recommended mix ratio for SHERWIN WILLIAMS FC720 with the FH612 hardener?

The recommended mix ratio for the FC720 clearcoat with the FH612 medium universal hardener is 4:1 by volume. This means you should mix four parts of the FC720 clearcoat to one part of the FH612 hardener. It is crucial to measure accurately using a calibrated mixing cup to ensure proper chemical reaction and optimal curing of the clearcoat. Inaccurate mixing can lead to improper hardening, reduced durability, or a compromised finish.

Q2: How many coats of FC720 clearcoat should I apply for the best results?

For most automotive refinishing projects, applying 2 to 3 medium-wet coats of the FC720 clearcoat is recommended. The exact number can vary slightly depending on the desired film build, the type of basecoat used, and the specific application technique. Each coat should be allowed to flash off adequately before applying the next, which typically takes 5-10 minutes depending on ambient temperature and humidity. Building sufficient film thickness is key for durability and gloss.

Q3: What are the typical drying and curing times for SHERWIN WILLIAMS FC720?

Drying and curing times for the FC720 clearcoat depend heavily on ambient temperature, humidity, and film thickness. Generally, it will be dust-free in about 20-30 minutes and can be handled in 3-4 hours at 70°F (21°C). For full chemical cure, allowing 24-48 hours at room temperature is advisable before any sanding or buffing. Force drying in a paint booth can significantly reduce these times, accelerating the curing process for faster turnaround. Always refer to the product’s technical data sheet for precise figures.

Q4: Can I use SHERWIN WILLIAMS FC720 with other brands of basecoat or paint?

While it is generally recommended to use clearcoats and basecoats from the same manufacturer for optimal compatibility and performance, the FC720 is a high-quality universal clearcoat. It is often compatible with properly cured basecoats from other reputable automotive paint brands. However, it is always best practice to perform a test panel application first to ensure adhesion and prevent any adverse reactions between different paint systems. This precaution can save significant time and effort in the long run.

Q5: What essential safety precautions should I take when applying FC720?

Safety is paramount when working with the SHERWIN WILLIAMS FC720. Always work in a well-ventilated area, preferably with a professional spray booth or exhaust system. Wear a NIOSH-approved respirator (preferably a fresh air supply or cartridge respirator suitable for isocyanates), chemical-resistant gloves, and eye protection. Long-sleeved clothing and skin protection are also recommended to prevent skin exposure. Avoid inhaling vapors and ensure no open flames or ignition sources are present due to flammability. Proper handling and disposal of materials are also critical.

Q6: How do I prevent common clearcoat defects like runs, sags, or orange peel?

Preventing defects involves a combination of proper technique and environmental control. Runs and sags are often caused by applying too much material too quickly or holding the spray gun too close. Orange peel can result from insufficient atomization, too much air pressure, or applying coats that are too dry. Ensure your spray gun is properly set up, use consistent gun speed and distance, and maintain the recommended flash times between coats.

A controlled environment with stable temperature and humidity is also crucial for achieving a smooth, even finish. Proper reduction of the clearcoat (if allowed by the technical data sheet) can also help with flow.

Q7: Is the FH612 hardener suitable for all climates and temperatures?

The FH612 is a medium universal hardener, designed for a broad range of temperatures, typically from 65°F to 80°F (18°C to 27°C). While it offers good versatility, for extreme hot or cold conditions, Sherwin-Williams may offer faster or slower hardeners that are better suited. Using the correct hardener speed for your specific ambient temperature is critical to ensure proper cure, prevent solvent pop in hot weather, or avoid slow drying in cold weather. Always consult the product’s technical data sheet for hardener selection based on temperature ranges.

Q8: What type of spray gun is recommended for applying SHERWIN WILLIAMS FC720?

For applying the SHERWIN WILLIAMS FC720 clearcoat, a high-volume, low-pressure (HVLP) or reduced-pressure (RP) spray gun with a fluid tip size between 1.3mm and 1.4mm is generally recommended. These types of guns provide excellent atomization, good transfer efficiency, and help in achieving a smooth, even finish with minimal overspray. Ensure your air compressor can provide sufficient, consistent air pressure and volume to operate the chosen spray gun effectively. Regular cleaning and maintenance of the spray gun are also vital for consistent results. A clean air supply, free of oil and moisture, is also essential.

Final Verdict on the FC720 Clearcoat

The SHERWIN WILLIAMS FC720 clearcoat, accompanied by its FH612 medium universal hardener, truly stands out as an exceptional choice in the demanding world of automotive refinishing. Its reputation for delivering a stunning, deep gloss and unparalleled durability is well-earned. This system provides a professional-grade finish that not only looks incredible but also offers robust, long-lasting protection against the elements and daily wear.

For professional auto body technicians, custom builders, and serious DIY enthusiasts, the investment in this clearcoat system is justified by its superior performance. The FC720’s high solids content ensures a rich, full finish with fewer coats, while its advanced UV and chemical resistance guarantee the longevity and vibrancy of your paintwork. It represents a commitment to quality that translates into a beautiful, enduring result.

While it requires careful attention to application technique, proper ventilation, and safety protocols, these are standard requirements for any high-performance automotive clearcoat. The user-friendly 4:1 mix ratio and excellent flow properties help mitigate some of the complexities, making it accessible to those with a foundational understanding of painting. The slight learning curve is a small price to pay for the exceptional finish it provides.

In conclusion, if you are seeking a clearcoat that offers a perfect balance of aesthetic brilliance, outstanding protection, and reliable performance, the SHERWIN WILLIAMS FC720 is an undoubtedly impressive choice. It delivers on its promise of an ultimate overall clearcoat, ensuring that your automotive projects not only turn heads but also stand the test of time. It’s a product that exemplifies professional quality and delivers exceptional value.