1K wood coating polyurethane is a ready-to-use formula that can be applied immediately after opening the lid, suitable for DIY projects and general woodworking. In contrast, the 2K system requires mixing Part A with Part B before application, resulting in a film that is clearly stronger, dries faster, and is more durable. The simplest selection principle is that if the work involves “walking on it, exposure to water, or frequent cleaning,” choose 2K. However, if it is decorative woodwork that is lightly used and you want to finish quickly, choose 1K. This article compares both types of wood urethane systems point by point, along with a comparison table of 7 models from Beger and the steps to apply for a smooth, glossy finish without brush marks.
Urethane for wood is a surface coating used to protect and decorate wooden surfaces. It has properties that help make wood resistant to scratches, water, and various chemicals. Additionally, it enhances the shine of the wood and extends its lifespan.
Wood varnish or polyurethane (Polyurethane) is a type of hard film wood coating that creates a transparent or colored film layer on the wood surface to protect against scratches, impacts, moisture, chemicals, and to enhance the shine of the wood grain. Unlike wood stain, which focuses on penetrating the wood and does not create a thick film, and different from lacquer, which dries faster but is less resistant to water and chemicals, the most popular use of polyurethane for wood is in applications where the wood surface must endure heavy use, such as parquet flooring, dining table tops, stairs, door frames, doors, windows, and wooden furniture. For outdoor applications that are directly exposed to sun and rain, only formulas specifically labeled for outdoor use should be chosen.
Urethane for wood comes in three main levels of gloss:
1. **High Gloss** – Provides high shine and reflection, suitable for applications that require prominence.
2. **Semi-Gloss** – Offers a moderate shine, suitable for general use.
3. **Matte** – Has no shine, giving a natural look that does not reflect light.
The choice of gloss level depends on the needs and characteristics of the wood being coated.
Beger’s wood polyurethane is available in 4 levels of gloss, which can be selected based on the surface characteristics and type of wood work.
Tips for Choosing Gloss: The more glossy the film, the more it highlights the wood grain, but it also makes scratches and dust more visible. On the other hand, matte and semi-gloss films can better conceal imperfections in the wood surface.
Clear and colored urethane differ in terms of characteristics and usage. Generally:
1. **Clear Urethane**: Typically used for applications that require transparency, such as coating wood surfaces or other materials where the grain or base color of the material needs to be visible. It enhances beauty and protects against deterioration.
2. **Colored Urethane**: Color is added to the formula, allowing for the selection of desired colors according to the design or application needs, such as painting floors or creating artwork that requires vibrant colors.
Overall, the choice between clear or colored urethane depends on the requirements and characteristics of the work being done.
Clear polyurethane coating that does not change the original color of the wood. Colored polyurethane is a coating that adjusts the wood tone in one step. Colored polyurethane is very useful in cases where each piece of wood has different colors, or when you want to restore old wood to look like new wood while still showcasing the wood grain.
Urethane 1K and 2K differ in terms of composition and application:
1. **Urethane 1K**: This product has a single component, meaning it does not need to be mixed with other substances before use. It is generally easy to use and suitable for common applications such as coating surfaces or painting.
2. **Urethane 2K**: This requires mixing with a hardener before use, which makes it stronger and more durable. It is typically used in applications that require high durability, such as coatings that must withstand harsh environmental conditions.
The choice depends on the requirements and the type of work to be done.
The main difference is that 1K (One-Component) polyurethane is a ready-to-use formula that cures by reacting with air and moisture, while 2K (Two-Component) polyurethane requires mixing Part A (pigment) with Part B (hardener) before use, which creates a chemical reaction that results in a stronger and more durable film.
High-quality Urethane 1K wood coating from Beger
Beger 1K Wood Urethane Gloss Finish is a traditional wood coating that many carpenters and homeowners have used for a long time. It comes with the advantages of being easy to use, uncomplicated, and cost-effective, making it suitable for beginners to use just as comfortably as professional craftsmen.
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Beger Polyurethane 1K Supreme Outdoor |
Bull Polyurethane Outdoor K-6000 |
Beger Unithane B-52 (U-404 / U-202) |
Beger Aqua Polyurethane |
Beger Polyurethane 1K Supreme Outdoor
The best polyurethane in Thailand.Ultra Premium Grade Wood Coating that can be applied not only indoors but also boldly applied outdoors.OutsideNot afraid of the sun, not afraid of the rain. Perfectly meets all woodworking needs. Can be applied to wood in every area. Both floors, walls, and wooden furniture. And can apply a film over all types of old wood paint.
Key Features
- Can be applied to exterior wood without issues, resistant to sun and rain, 3 times better than regular polyurethane.
- Provides a High Gloss finish.
- Dries to the touch in 1 hour, can be recoated in 2-3 hours, with a quick fading scent, allowing for quick occupancy.
- Excellent resistance to scratches, impact, chlorine, and sea mist.
- Suitable for all types of real and artificial wood in both interior and exterior applications. Such as wooden walls, wooden floors, and wooden furniture.
- Can be applied over any old wood finish, whether it be old wood stains, old polyurethane, old lacquer, old varnish, or old oil-based paints.
- Guaranteed safety with EN71 certification from Europe.
- Available in sizes of 1.5 liters and 3 liters.
Color shades.
BULL POLYURETHANE OUTDOOR K-6000
Outdoor polyurethane*For outdoor and indoor woodwork* Convenient, easy to apply, cost-effective, long-lasting gloss that withstands sunlight, comes with a 2In1 system, ready to use without mixing thinner, one can does it all!
Key features:
- Long-lasting glossy film, quick film formation.
- Can be applied to exterior wood exposed to sun and rain, and interior wood, such as wooden floors, wooden walls, and wooden furniture, both real and artificial wood.
- 2 In 1 formula saves time, no primer needed, quick drying, quick fading scent.
- Easy to apply, ready to use, no mixing with thinner required.
- Resistant to foot traffic, scratches, chemicals, and cleaning agents.
- Can be applied over any type of old wood finish.
- Dries to the touch in 1 hour, can be recoated in 2-3 hours.
- Safe and free from lead and mercury according to European standard EN71
*Tested against standard polyurethane applied outdoors
*Test results from B.N. Brothers Co., Ltd.
Color shades
Beger Unithane B-52 (U-404 / U-202)
Clear polyurethane wood finish High quality, best-selling No. 1 from Beger, and recognized by professional carpenters for over 60 years. Provides exceptional gloss while looking natural, enhancing the wood grain beautifully and clearly.
Key features
- 100% pure polyurethane imported from Germany
- Strong film, glass-like coating for wood floors, durable for over 15 years, not easily cracked or peeled
- Clear film provides higher gloss than standard polyurethane
- Easy to use, non-overpowering smell, milder than standard polyurethane
- Resistant to acids, alkalis, and various chemicals
- Suitable for parquet floors and indoor wooden floors Such as indoor wooden floors, indoor sports floors, bowling lanes, dance floors, stairs, furniture, dining tables, work tables, chairs, doors, windows, frames, etc.
- Safe from heavy metals according to EN71 standard from Europe
- Use only withBeger Thinner M-44
Clear shades
Beger Aqua Polyurethane
Water-based wood coating polyurethane From Beger, Germany, the world’s leading polyurethane technology provider. Easy to use, quick-drying, suitable for both real and synthetic wood applications.
Key Features
- Fast-drying color film, can be used indoors within 1 day
- Easy to use, no need to mix with thinner, available in various shades that can be mixed through a color mixing machine
- Protects wood for over 10 years, transparent film does not yellow even when exposed to sunlight, wood grain is clear
- Resistant to heat, acids, alkalis, cleaning chemicals, as well as scratches and impacts
- Easy to wipe clean, prevents deep-seated stains
- Thick film, prevents water from penetrating the wood and insect damage
- Suitable for indoor wood floors or parquet floors, indoor wooden furniture
- No pungent odor from harmful volatile substances, compliant with European standard EN 71
- Free from 8 types of hazardous heavy metals, safe for residents and the environment
Color Shades
Beger 2-component wood polyurethane (Urethane 2K) of high quality from Beger
Beger 2K wood polyurethane, upgraded glossy wood coating formula developed from the 1K system, features fast drying but requires expertise, precision, and accuracy in mixing Part A and B, as well as using the 2K color system or drying intervals to achieve the highest quality results
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Beger Polyurethane 2K Supreme |
Beger B-5000 Polyurethane 2K |
Beger B-5000 Polyurethane 2K Colour |
Beger Polyurethane 2K Supreme
The ultimate hard coating polyurethane paint system with 2 components from Beger Ultra-premium grade paint forindoor and outdoor use under direct sunlightwith new innovation providing a film 75% thicker, 2 times more durable, and 4 times faster drying compared to regular 1K polyurethane
Key Features
- Protects wooden floors, keeping them beautifully shiny for over 20 years
- The film is strong and specially scratch-resistant, the highest in the PU 2K* system, and it also withstands impact, water, moisture, acids, alkalis, and chemicals well.
- The film is 75%* thicker, with a high gloss that shines like a diamond, the highest gloss in the 2K color market, clearly enhancing wood grain patterns.
- Ready-to-use formula, no need to mix with thinner, dries 4 times faster than regular polyurethane, completing work in just 1 day.
- The concentrated color reduces the number of coats needed, providing more value compared to square meter costs with regular 2K polyurethane.
- Suitable for parquet flooring, door frames, doors, windows, dining table tops, work table tops, chairs, walls, fences, stairs, balconies, bowling alleys, lilac floors, wooden furniture, and various DIY wood projects.
- Safe with European standard EN71, free from 8 types of hazardous heavy metals.
*Tested by the Beger laboratory compared to regular 2K polyurethane.
Clear shades
Beger B-5000 Polyurethane 2K
Beger polyurethane, a 2-component system with special fast-drying properties. Premium quality, provides a beautiful glossy finish for wood, durable for over 15 years**. Available in 4 levels of film types, ensuring quick completion without interruptions.
Key features
- Dries 4 times faster than regular polyurethane*; completes work in just 1 day.
- High gloss, clearly enhances wood grain patterns for glossy films*.
- Easy application, no brush marks; smooth film finish, available in matte and semi-gloss*.
- Hard color film Resistant to impact, scratches, and special abrasion*.
- Excellent resistance to heat, cold, acids, alkalis, and everyday chemicals*.
- 100% water-resistant to prevent moisture penetration into wood.
- Suitable for Coating wooden floors, wooden furniture tops, indoor or outdoor woodwork (in shaded areas).
- Safe, odorless with European standard EN 71, free from hazardous heavy metal substances.
*Test results from B.N. Brothers Co., Ltd.
*Tested against standard 1K polyurethane
**Under the conditions set by the company
Clear color shades
Beger B-5000 Polyurethane 2K Colour
The first 2-component polyurethane system with color, turbo-dry formula No more issues with wood panels of different colors. Want to change the wood color to look beautiful as desired? Beger Polyurethane B-5000 Colour helps adjust the color of old wood to look like new wood, blending seamlessly, replacing the old method of mixing color powder.
Key features
- Adjusts the color shades of each wood panel to look harmonious as if they are the same piece of wood
- Variety of color films adds vibrancy and value to wood, transforming ordinary wood into the desired wood color
- 100% transparent color film with Crystal Clear enhances the wood grain clearly and looks natural with pigments that are 5,000 times smaller than the tip of a needle
- Finishes quickly, dries 4 times faster than standard polyurethane, saving time and labor, allowing quick return to use the area
- Easy to use, no need to mix thinner, just mix part A : B in a 1 : 1 ratio
- Strong color film resistant to impact, scratches, and chemicals
- Durable for use for over 10 years
- Special formula mixed with antibacterial agents and effective against mold
- Mild scent and safe from heavy metals with EN71 standards from Europe
- Easy to clean and effectively prevents moisture from penetrating the wood
Color shades
AdditionallyThe color shade samples of wood polyurethane shown are for comparison only. The shades may vary from the display on different device screens, so it is advisable to check with the store before purchasing any color.
FAQ Frequently asked questions about 1K and 2K wood polyurethane coatings
Q1: What is 1K / 2K polyurethane and how do they differ?
A1: 1K polyurethane is a ready-to-use formula that can be applied immediately after opening the cap, while 2K polyurethane requires mixing Part A with Part B in the correct ratio before use. The 2K system provides a stronger, thicker film that is more resistant to abrasion, but it must be mixed accurately and used up in one go.
Q2: Can polyurethane for wood be used outdoors?
A2: Yes, but you must choose a model specifically labeled for outdoor use, such as Beger Polyurethane 1K Supreme Outdoor or BULL Polyurethane Outdoor K-6000. General indoor polyurethane formulas will yellow and crack when exposed to continuous UV sunlight.
Q3: Can polyurethane for wood be applied over old paint? Do I need to strip it off first?
A3: Some models, such as Beger Polyurethane 1K Supreme Outdoor and BULL K-6000, specify that they can be applied over all types of old wood finishes, including old wood stains, old polyurethane, old lacquer, old varnish, and old oil-based paints. However, the original surface must be solid, not flaking, and it must be sanded to remove gloss and dust before application.
Q4: Which polyurethane for wood has the least odor?
A4: Water-based formulas like Beger Aqua Polyurethane have the mildest odor because they do not require thinner. Beger states that the area can be reoccupied within 1 day, making it suitable for closed rooms or homes with small children.
Q5: Why is the polyurethane not drying after application?
A5: The most common cause is mixing Part A with Part B in the wrong ratio in the 2K system, applying a film that is too thick, and applying on days with very high humidity. The solution is to mix according to the label strictly, apply in thin layers, and avoid application during rainy weather.
