Directly adhesive soundproof flooring Calm Ground Flooring

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【Natural Oak】 10100000117, 【Carbon Oak】 10100000118

last updated：Jun 08, 2026

Official site

A new soundproof flooring that balances sound insulation performance and the texture of wood.

"SOUND PROOF / Calm Ground Flooring" is a direct-bond soundproof flooring that meets the sound insulation standard "ΔLL(I)-4/L45" based on JIS regulations. It minimizes the common "softness" found in conventional soundproof flooring, providing a firm stepping feel. While maintaining sound insulation performance, it emphasizes a natural walking sensation close to solid wood. The surface features a 2mm veneer of Canadian white oak. With a design width of 92mm, it creates a timeless space with a vintage feel. We offer two types in our lineup: "NATURAL OAK," which highlights the natural wood grain, and "CARBO OAK," characterized by its deep color achieved through carbonization. Please consider this new soundproof flooring for rental housing, collective housing, and renovation spaces.

Related Link - https://www.thegallup.com/news/calm_ground_floorin…

Inquire About This Product

basic information

- Engineered wood flooring (2mm surface veneer) - Sound insulation rating: ΔLL(I)-4 / L45 - Suitable for direct installation - UV coating finish (clear) - Four-sided bevel / tongue and groove processing - Parallel slit processing - Special cushioning material structure (4mm non-woven fabric + 2mm special material) - Size: Thickness 16 x Width 92 x Length 900mm (veneer / white oak (2mm)) - 1 box: Contains 20 pieces (1.656 square meters) - Included joist: Thickness 5 x Width 30 x Length 900mm (1 piece) - Moisture content: 7-9% - Passed abrasion A test *Formaldehyde emission tested (below standard value)

Price information

【Natural Oak】Item Number: 10100000117 1 box (20 pieces / 1.656 square meters) Price: 45,540 yen (tax included) *Price per square meter: 27,500 yen (tax included) 【CARBO Oak】Item Number: 10100000118 1 box (20 pieces / 1.656 square meters) Price: 51,005 yen (tax included) *Price per square meter: 30,800 yen (tax included)

Price range

Delivery Time

※The delivery time varies depending on the quantity. Please feel free to contact us for more details.

Applications/Examples of results

- Condominium Renovation - Rental Housing Reform - Purchase and Resale Properties - Hotels, Stores, Offices - Multi-Family Residential Floor Renovation ■ Condominium Renovation In multi-family residences where sound insulation performance is required, we ensure sound insulation performance equivalent to ΔLL(I)-4/L45 while achieving a natural walking feel that suppresses the excessive sinking characteristic of typical soundproof flooring. ■ Reform and Restoration of Rental Housing Ideal for floor renovations aimed at improving tenant satisfaction. Balancing sound insulation performance and design, it contributes to enhancing the added value of the property. ■ Purchase and Resale Properties Supports improving impressions during viewings with the authentic wood texture of 2mm thick oak veneer. The 92mm narrow design accommodates a wide range of spatial expressions from vintage to natural. ■ Stores and Commercial Facilities Combining the high-quality design and durability unique to natural wood, it is also recommended for creating spaces in cafes, apparel stores, and beauty salons.

Detailed information

Left: CARBO OAK, Right: NATURAL OAK
The natural deep brown hue of Carbo Oak harmonizes with vintage spaces.
Natural Oak combines the natural wood texture close to solid wood with a timeless design achieved through a narrow width of 92mm.
Cleared the sound insulation grade "ΔLL(I)-4/L45" based on JIS standards.
Cross-section diagram and specifications
While maintaining sound insulation performance, we focused on achieving a natural walking feel close to solid wood.
The "Carbo Oak" suppresses the common "softness" found in conventional soundproof flooring, achieving a solid stepping feel.
Natural Oak (CG Image)
Carbon Oak (CG Image)

Line up（2）

Model number	overview
10100000117　Calm Ground Flooring [Natural Oak] (W92)	A natural finish that utilizes bright, high-quality wood grain, suitable for any space.
10100000118　Calm Ground Flooring [CARBO Oak] (W92)	Through carbonization processing, it has a rich brown tone with dimensional stability, antibacterial properties, and deodorizing effects.