Differences Between PU Concrete and PU Flooring: Which is Right for Your Project?

In the construction industry, PU (Polyurethane) is widely chosen for its high durability against abrasion, moisture, and chemicals. However, two popular types of PU used for floor coatings—PU Concrete and PU Flooring—have distinct characteristics and applications. Understanding these differences will help you choose the right coating for your project’s needs.

Overview of PU Concrete and PU Flooring

PU Concrete, also known as PU Screed or PU Cementitious Flooring, is a floor coating system made by mixing PU resin with other materials, including cement, aggregate (like quartz sand), and additives. This mix creates a thick, solid, and durable floor coating suitable for heavy-duty industrial use.

PU Concrete has a layer thickness typically between 6 to 9 mm, depending on the application needs. It’s often used in environments requiring resistance to high or low temperatures and exposure to aggressive chemicals, like food and beverage factories, pharmaceutical plants, and chemical facilities

PU Flooring, sometimes called PU Coating or PU Topping, is a thinner liquid-based PU layer compared to PU Concrete. It’s usually applied over concrete floors to protect the surface from wear, moisture, and mild to moderate chemicals. PU Flooring layers are around 1 to 3 mm thick, making it ideal for areas that need protection, aesthetics, and easy cleaning, such as commercial areas, kitchens, and residential floors.

PU Flooring is flexible, making it more resistant to minor cracks and giving it a smooth and aesthetic finish.

‍Advantages of PU Concrete

1. Resistance to Extreme Temperatures. PU Concrete can withstand extreme temperatures, ranging from freezing to very high heat. This makes it ideal for facilities that undergo drastic temperature changes, such as cold storage or commercial kitchens with high heat.
2. High Chemical Resistance. Due to its strong composition, PU Concrete is highly resistant to aggressive chemicals, including acids, alkalis, and solvents. This makes it especially suitable for industries dealing with harsh chemicals, such as pharmaceuticals, chemical manufacturing, and food industries.
3. Abrasion and Heavy-Load Resistance. PU Concrete can endure heavy loads, high pressure, and mechanical impact. Its thick and solid surface makes it ideal for areas frequently traversed by heavy vehicles or equipment, such as warehouses and logistics facilities.
4. Long-Lasting Durability. PU Concrete is known for its exceptional durability and long lifespan, even in harsh environments.

Disadvantages of PU Concrete

1. Longer Installation Time. Due to the complex mix and application process, PU Concrete requires more time to install and a longer curing process compared to PU Flooring.
2. Higher Cost. PU Concrete is generally more expensive than PU Flooring, both in terms of materials and installation, due to its high durability and need for precise application.
3. Less Flexibility. PU Concrete is relatively rigid, making it unsuitable for areas requiring high flexibility or structural shifts.

Advantages of PU Flooring

1. Flexibility and Elasticity. PU Flooring is flexible, so it can handle minor movements or cracks in the substrate. This is very beneficial for areas that experience frequent pressure changes or structural shifts, such as parking lots or sports facilities.
2. Quick Drying and Easy Application. PU Flooring dries faster than PU Concrete, making installation time shorter. This is advantageous for projects requiring quick turnaround times.
3. Smooth and Aesthetic Finish. PU Flooring provides a more aesthetic finish with a smooth, anti-static surface. This makes PU Flooring suitable for commercial spaces, showrooms, or areas that require a clean appearance.
4. Resistance to Light Abrasion and Moisture. PU Flooring offers good resistance to wear, light abrasion, and moisture. This makes it suitable for kitchens, bathrooms, or areas prone to moisture.

Disadvantages of PU Flooring

1. Lower Strength. Compared to PU Concrete, PU Flooring lacks sufficient mechanical strength to withstand heavy loads or high impact.
2. Limited Temperature Resistance. PU Flooring is more sensitive to extreme temperatures, making it less ideal for areas with high or low temperatures.
3. Limited Chemical Resistance. Although resistant to mild to moderate chemicals, PU Flooring is not suitable for areas exposed to harsh or aggressive chemicals.

Ideal Applications for PU Concrete and PU Flooring

PU Concrete is suitable for:

• Food and beverage production facilities (due to its resistance to temperature and chemicals).
• Heavy-duty warehouses and factories needing resistance to pressure and mechanical impact.
• Pharmaceutical facilities needing protection from aggressive chemicals.

PU Flooring is suitable for:

• Commercial areas like showrooms and shopping centers that require aesthetics and a smooth surface.
• Kitchens and residential spaces need light abrasion and moisture resistance.
• Sports facilities or public areas needing flexibility and elasticity in the floor coating

Now you already  know the differences and uses of PU Concrete and PU Flooring. So, make sure you choose the right one! You can view our range of PU Concrete and PU Flooring products by visiting our product page, or if you’re still unsure, click the help button in the bottom right corner of your screen to connect with our customer service team. We’ll be happy to help you find the product that best suits your needs