Panel
What is 4-slot Panel? Features, Collection and Quote 2025
4-groove Panel is a multi-purpose building material with a design of 4 parallel grooves, effective size is 380x16x2900mm. Kosmos warehouse is distributing 4-groove foam panel products with two main colors: white (PN4R-01) and gray (PN4R-02). White panels bring a spacious, clean feeling, while gray panels show strength and personality.
The product has a 3-layer structure including: a zinc-aluminum alloy-plated steel surface layer, a 45kg/m³ high-density PU foam core layer and a silver-coated fiberglass fabric bottom layer. Thanks to that, the material has high durability, a 20-year lifespan and does not rust for 45 years.
The reference price for 4-groove Panel is from 249.000 - 269.000 VND/m². However, the price may change depending on the time and quantity.
What are the outstanding features of 4-groove Panel in modern construction?
4-groove Panel is a modern construction material with a surface of 4 parallel grooves, providing superior insulation and enhancing the aesthetics of the building. The product has a standard size of 380mm x 16mm x 2900mm, suitable for partitions, prefabricated house walls, industrial factories and cold storage for food preservation.
The 4-groove surface creates a multi-dimensional visual effect, making the construction space more aesthetically pleasing than traditional flat walls. The 4-groove panel combines effective heat and sound insulation with a modern design. The product is suitable for projects requiring both high technical and aesthetic features.

What models does the 4-groove foam panel collection include?
4-groove foam panel is being distributed by Kosmos warehouse on the market with 2 main colors including white (code PN4R-01) and gray (code PN4R-02), matte surface effect.
- White 4-slot panel with matte surface brings a spacious, clean and bright feeling to the space. White is a classic choice that fits the long-term design trend, easily combined with design styles from minimalist to modern.
- 4-slot gray matte surface panel Expresses strength, personality and industrial style. Gray is a symbol of luxury, creating impressive highlights and depth for the project.

How much does a 4-groove panel cost?
Below is the price list of 4-groove Panel panels updated by Kosmos in September 2025:
| Product Line | Effective size | Reference Material Pricing |
| White 4-slot panel | 380 x 16 x 2900mm | 249.000 – 269.000 VND/m² |
| Grey 4-slot panel |
**Effective size: The size has been subtracted from the product's locking groove.
Note: The above prices are for reference only and may vary depending on the time, quantity and policy of each supplier. You should contact the supplier directly for the most accurate quote.
Compare 4-groove Panel with other types of Panel
The most obvious difference between the 4-groove Panel and other types of Panels such as the 3-groove Panel or the 7-wave Panel lies in the surface design. While the 3-groove Panel has only 3 ribs, and the 7-wave Panel has a surface with 7 wavy waves, the 4-groove Panel has a unique, balanced appearance with 4 longitudinal grooves.

In terms of structure and materials, all of these product lines have a similar 3-layer structure including: a surface layer of 0,27mm thick zinc-aluminum alloy-plated steel, a 45kg/m³ high-density Polyurethane (PU) foam core layer and a 0,1mm thick silver-coated fiberglass fabric bottom layer. Modern technology and special composition help the material have a 20-year lifespan and no rust for 45 years.

Which unit provides beautiful, quality 4-groove Panel?
Kosmos warehouse is currently providing a variety of foam panel models, including products White 4-slot panel PN4R-01, PN4R-02 Gray 4-slot Panel high aesthetics. Kosmos has built a widespread distribution system with more than 500 distributors spread across 34 provinces and cities nationwide (as of September 2025), helping users easily access materials.


To learn more about color diversity and other types of Panels, you can see more here:
If you want to receive information about the nearest dealer to see the product directly or have a need to become a Kosmos dealer, please contact Kosmos immediately at 0932 067 388 for fastest support.








