Wooden slats: Classification, advantages and disadvantages, applications and detailed price quotes

Wooden bar is a decorative material in the form of bars made from real wood or imitation wood materials, widely used in interior and exterior decoration with many sizes depending on the purpose of use and installation space. Currently, the market provides 5 popular types of wooden slats including natural wood slats, industrial wood slats, wood plastic slats, imitation wood plastic slats and imitation wood aluminum slats.

Wooden slats bring many benefits in design, according to a survey by the Vietnam Architectural Association in 2025, up to 78% of constructions using wooden slats are highly appreciated for their aesthetics. However, installation requires specialized techniques, with about 35% of cases of incorrect installation leading to premature damage.

In fact, wooden slats are applied to 3 main categories: Stair decoration and living room partitions help to softly divide spaces, facade shading systems protect the building from environmental impacts, and pergola trellises create unique outdoor living spaces.

Following the trend of modern landscape design, 85% of luxury villas and resorts integrate at least one wooden slat pergola area. In terms of price, the price of wooden slats ranges from 69.000 to 299.000 VND/meter depending on the size and type of material, excluding accessories, construction and VAT.

“The composition of composite wood usually includes wood powder, plastic powder and additives. These materials help optimize the balance between the hardness of wood and the moisture resistance and ease of processing of plastic, creating outdoor wood plastic slat products with a low expansion rate of less than 10%.” According to Mr. Le Tran Anh Vu - Member of the Vietnam Association of Wood and Construction Materials (2025).

What is wooden slat?

Wooden slats are decorative materials in the form of bars and hollow inside made of real wood or imitation wood materials, specialized in interior and exterior decoration. Wooden slats are widely used in many construction projects such as: Wall decoration, ceiling cladding, partitions, sunshades, pergolas or climbing frames for outdoor ornamental plants.

Wooden slats have a length of 3.000mm and a wide range of width x height from 35 x 35mm, 60 x 40mm, 105 x 50mm to 160 x 80mm, depending on the purpose of use and installation space.

What are the popular types of wooden slats today?

The current construction materials market offers a variety of 5 types of wooden slats with different characteristics and aesthetics, including:

1. Natural wooden slats
2. Industrial wooden bar
3. Railing
4. Imitation wood plastic bar
5. Wood imitation aluminum slats.

Natural wooden slats

Natural wood slats are made from ironwood, oak, teak or pine. Unique wood grain and characteristic fragrance are the highlights of this type of slat. The production process of natural wood slats requires specialized processing techniques such as drying, termite-proofing and surface protection coating.

The durability of this type of slat usually ranges from 10 to 30 years under normal use. However, this product is expensive and limited in supply.

Industrial wooden bar

Industrial wood slats have a core of wood that is crushed into powder, mixed with adhesives and some additives. Although thinner and lighter than wood, this product has a significant hardness. The water resistance and termite resistance of industrial wood slats are also much better than natural wood slats.

Industrial wooden bar

Railing

Wood plastic slats are a type of outdoor composite material with good weather resistance.Currently, there are 3 popular types of wood plastic slats:

1. 1 layer wood plastic slats: Composed of 55 – 60% wood powder, 30 – 35% HDPE plastic, 10% additives.
2. 2-layer polymer coated wood plastic slats: Composed of 55% wood powder, 35% HDPE plastic, 10% additives and a 0,1 - 0,8mm thick polymer surface coating.
3. 2-layer ASA coated wood plastic slats: Composed of 20% wood powder, 60% PVC plastic, 10% additives and 10% 0,5mm thick ASA surface coating.

Below is a detailed information table of 3 types of outdoor wood plastic slats.

Imitation wood plastic bar

Wood-plastic slats are made from 80% PVC plastic with 20% ASA surface coating along with necessary additives. The plastic's properties help the slats to be 100% waterproof, termite-proof and limit expansion or warping.

This line of wood-plastic slats is applied to both interior and exterior spaces with color durability decreasing only 5-10% after 5 years of use. Reasonable cost and simple installation process make wood-plastic slats suitable for many projects with moderate budget.

Wood imitation aluminum slats

This product is made from high-grade aluminum alloy. The beauty of the wood-like aluminum slats comes from the electrostatic paint layer imitating the wood grain color. The durability of the aluminum slats is up to 20 years, the product is quite resistant to oxidation and corrosion. Thanks to the function of dissipating heat from sunlight quite well, aluminum slats are often used for ceiling and hallway cladding, which can save a cost of paying for air conditioning.

What are the advantages of wooden slats in interior and exterior decoration?

Wooden slats have 3 advantages when applied in the design and decoration of modern living spaces.

1. Improve project aesthetics: The product creates a unique visual effect with parallel lines, bringing luxury and sophistication to the living space. A survey from the Vietnam Architectural Association in 2025 showed that 78% of projects using wooden slats were highly appreciated for their aesthetics. Wood grain and natural colors create a close connection with nature, reduce stress and create a feeling of relaxation for users. Interior designers often apply the principle of contrast by combining wooden slats with other materials such as glass, metal or concrete to create impressive highlights.

1. Suitable for many different spaces: The flexibility of wooden slats allows for diverse applications in design styles from modern minimalist to classic luxury. Wooden slats also have the ability to softly divide space without creating a feeling of complete separation, suitable for the trend of modern open space design.

1. Long lasting durability, diverse price segments: Wooden slats have a long life span of 10-20 years, especially wooden slats that have been treated against termites and moisture. With many price segments from low-end to high-end, wooden slats meet the needs and financial capabilities of a variety of customers.

What are the limitations of wooden slats?

Installing wooden slats requires specialized techniques and accessories such as threading the slat core compatible with the slat cage size, using slat end caps. According to a survey from construction units, about 35% of cases of incorrect installation lead to early damage and loss of aesthetics of the construction.

What are wooden slats used for?

Wooden slats with multi-purpose properties are commonly used in 3 construction categories: wooden slats for stair decoration, facade sunshade, and pergola.

1. Decorative wooden slats for stairs: Makes the space more luxurious with an airy and modern design. The ventilation rate can reach 60-70%, both creating a highlight and ensuring safety.
2. Facade sunshade: Wooden facade sunshade slats are divided into 2 types: fixed and moving.. Smart sunshade system with the ability to adjust the tilt angle according to the time of day, optimizing sunshade efficiency while still ensuring visibility.
3. Pergola: Pergola is an exterior architectural structure, often installed in gardens, porches, or terraces, consists of sturdy vertical pillars and a system of wooden slats above to form a roof.

Following the trend of modern landscape design, 85% of luxury villas and resorts have at least one wooden slat pergola area. The wooden slat frame structure creates ideal conditions for climbing plants such as climbing roses, bougainvillea or climbing grapes to grow, creating natural shade and green space.

Is the price of wooden slats for living room and outdoor wooden slats high?

Below is a detailed reference price list for popular types of wooden slats on the Vietnamese market, updated in November 2025:

Note: The unit price of materials does NOT include accessories, construction, other materials, delivery fees and VAT. The above price is for reference only, material prices may change depending on the time and different suppliers.

Frequently asked questions when decorating buildings with wooden slats

What is the difference between ASA coated wood plastic slats and ASA wood plastic slats?

ASA coated wood plastic slats and ASA wood plastic slats are both box-shaped interior and exterior decoration materials, different in composition, lifespan, color fastness and price.

Which type should I choose: wood plastic slats or aluminum slats?

Using wood plastic slats or aluminum slats will depend on the architectural style, budget and durability requirements of the project.

Choose wood plastic slats when:

1. Love rustic style, close to nature
2. Need a solution to save initial investment costs
3. Want materials with low thermal conductivity, helping to keep the space cooler in the summer.

Use aluminum slats when:

1. Pursue modern, minimalist or high-end styles
2. Long life, virtually maintenance free
3. Construction in areas with harsh weather conditions such as coastal areas.

For more detailed information on comparing advantages and disadvantages, costs and other criteria, you can read the article: Should you choose wood plastic slats or aluminum slats for outdoor decoration projects?

Should I choose natural wood or plastic wood slats for the facade?

Choosing natural wood or plastic wood slats for the facade depends on many factors such as personal aesthetic preferences, budget, and climate conditions. Below is a detailed comparison to help you make an easy decision:

Where to buy wooden slats to ensure quality?

To buy quality wooden slats, You should go to the official agents of Kosmos Vietnam Warehouse.The warehouse currently supplies materials to more than 500 agents across 34 provinces and cities nationwide, helping customers easily access products.

The material catalog at the Dealers is very rich, including wooden floors, plastic floors, panels, and especially high-quality wood-plastic slats and imitation wood plastic slats (often used for both interior and exterior).

Purchasing at the Dealer will help you feel secure about the origin and quality of the product (with warranty, meeting manufacturer standards), and receive quick advice and support.

Kosmos Vietnam Material Warehouse

Kosmos wooden slats for staircase decoration

Wooden slats are a versatile decorative material with many aesthetic and functional advantages. With a variety of materials and prices, wooden slats are suitable for many architectural styles and different usage needs. Understanding the characteristics of each type of wooden slat will help you make the most suitable choice for your project, bringing a sophisticated and durable living space over time.