How To Apply Polyurethane For Floors

What is polyurethane

    • It’s a synthetic polymer made out of reacting di-isocyanates with polyols.
    • Used in variety of applications: insulation, adhesive, foams and coating
    • It’s widely used in floor coating the wooden or concrete surface, providing it a durable and protective layer.
    • Mainly used in commercial settings which have expensive wooden floors as the chemical quantity is too high for household use and it has resistance against chemical, abrasions and moisture etc.



How to apply polyurethane

There are many steps involved in this process, yet it’s simple of done by an expert of this field. We will note each step one by one!

Surface preparation:

Depending on existing floor material, surface may need sweeping, wiping, scrubbing, vacuuming before the process to avoid any contamination and get a good results. Also any cracks and imperfections also needs to be filled and repaired.


Important step for porous surfaces like concrete, absolutely non required step for wooden floors. It promotes better adhesion hence its applied and fully dried before proceeding towards next step.


Polyurethane comes as a two separate chemical parts- A base and a catalyst. It is important to mix it thoroughly according to the instructions for curing and best results possible.


Applied using brush, roller or spray similar to that of paint. Regardless of the method used in application, a thin, uniform and homogenous layer of it should be applied on the surface.

Curing or drying:

This is an important step in this process. Complete drying is needed to ensure the durability and finishing. Time taken for this step depends on factors such as temperature, humidity, and specific formulation of polyurethane itself. Also, it’s important to maintain a proper ventilation to let the volatile organic compounds escape safely.

Additional coats:

If necessary, multiple coats can be added. But before addition of the coat previous one needs to dry completely.

Final inspection:

After drying, full inspection is needed to ensure quality control and fix any error made during the process.

Polyurethane for Floors


How to use polyurethane on wood floor

    • All the steps mentioned above are similar for wooden flooring, except few additions.
    • For wooden floors, after the preparation step one can choose to apply a wooden stain and sanding the surface in between the layers.


Tne best way and tips to apply polyurethane

    • Choose right polyurethane brand or material: specifically designed for desired floor application. Water based polyurethane is popular nowadays as it has low odor, faster curing time, but it requires more number of coatings than oil based one.
    • The oil based one has better durability, so it is considered more for long term usage.
    • Preparation, stirring, application method are same as mentioned above.
    • Best tip is to start from the edges and then gradually come into center. Also, applying thin coats using synthetic pads is key to better finish.
    • Let it cure or dry completely before allowing any furniture to move or heavy foot traffic on it.


How many coats are required

    • Multiple thin coats ensures more even coverage, helps build up thicker and durable protective layers.
    • Generally, two to three coats of oil based polyurethane are applied for optimal protection and longevity. But, the exact number of coats may vary depending on factors such as the type of polyurethane, the condition of the floor, and personal preference.
    • Water based polyurethane is thinner in consistency than oil based, hence it may require 3-4 coatings.
    • At the end, major goal is to achieve glass finish and long lasting protective layers, by following manufacturers instructions of usage, choosing good quality product, with proper personal expert of the field for guidance.

Polyurethane for floor


Advantages of plastic flooring


Highly durable and resistant to scratches, stains, mold, etc. makes it an excellent choice for heavy traffic places in house like kitchen, bathrooms and also for most commercial places.

Water resistan

Vinyl is a waterproof material hence suitable for places like bathroom, kitchen, basement areas. These areas are prone to develop molds and fungi due to moisture. These type of flooring provides long lasting protection from such factors.

Easy and less maintenance

Easy to clean or swipe, using a vacuum, mop or mild detergent. Unlike carpets and other flooring it plastic flooring doesn’t require professional cleaning and fancy equipment.

Variety and style options

Highly customizable according to the theme of commercial places  or home decor, with high range or color options, styles and patterns. Some designs can also mimic natural materials like wood, concrete,  marble or stones. It’s best option for achieving an aesthetic look for your place under low maintenance.

Comfort and safety

Underlayment feature of the plastic/vinyl flooring offers great comfort especially in the area where people need to stand frequently for more duration of time.

Availability and affordability

As plastic is not a natural resource, availability is not a concern. It’s generally more affordable than wood, as the wood is natural resource and it’s quality is dependable on nature, environment, cutting and shaping process. Also different types of woods have different prices from apple wood, oak tree to red sandalwood etc.

Easy to install

Compared to other types of flooring, this one is easy to install. Can be installed as floating, glued down, self adhesive depending on the product and application. Hence, it is a popular choice in DIY(do it yourself) enthusiasts, who prefer to renovate their offices or houses on their own without any professional help.


Plastic flooring offers a combination of durability, water resistance, easy maintenance, versatility, comfort, affordability, and ease of installation, making it a practical and attractive option for both residential and commercial spaces.

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