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This section provides an overview for insulation as well as their applications and principles. Also, please take a look at the list of 1 insulation manufacturers and their company rankings. Here are the top-ranked insulation companies as of September, 2025: 1.NICHIAS Corporation.
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*Including some distributors, etc.
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Nichias Corporation, founded in 1896 and headquartered in Tokyo, Japan, is a manufacturer and seller of building materials, auto parts, advanced, industrial, and energy products. In 1938, it became the first Japanese company to manufacture rock wool products, and in 1952, it began making spiral wound gaskets. It aims for carbon neutrality by 2050 and is engaged in recycling rock wool product scraps from its plants and construction sites. Its manufacturing establishments in Japan and overseas have ISO 14001, and its product portfolio includes sealing materials, fluoro resin products, heat insulators, calcium silicate boards, and rubber composite gaskets.
Ranking as of September 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | NICHIAS Corporation |
100.0%
|
Derivation Method
The ranking is calculated based on the click share within the insulation page as of September 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
1 | 100.0% |
480 products found
480 products
JFE Rock Fiber
3170+ people viewing
Last viewed: 4 hours ago
Residential rock wool insulation material pursuing comfort and functionality ･ Filling technique method for ceiling, walls, and floors ･ F ★★★★ ･ ...
10 models listed
JFE Rock Fiber
1230+ people viewing
Last viewed: 1 day ago
Filling technique method 2 pieces of ceiling usage insulation material ･ F ★★★★ ･ JIS A 9521 Building insulation material ･ Non-combustible materi...
Japan Aqua Co., Ltd.
630+ people viewing
Last viewed: 15 hours ago
■Insulation material that foams with water Aquafoam® is an insulation material that is foamed on-site using water, without using chlorofluorocarbon...
JFE Rock Fiber
1780+ people viewing
Last viewed: 5 hours ago
No separate paste of moisture -proof film is required. Hometown -resistant, integrated structure of moisture -proof. ･ Filling method JIS A 6930 A...
10 models listed
Japan Aqua Co., Ltd.
640+ people viewing
Last viewed: 3 hours ago
■Sprayed rigid urethane foam with high performance and environmental properties Until now, two types of sprayed rigid urethane foam have been used ...
Ishiyama Co., Ltd.
420+ people viewing
Last viewed: 7 hours ago
■Insulation panel for interior base that can also be used as formwork EW panels are insulation materials for the formwork and interior base of conc...
Mag Isobert Co., Ltd.
400+ people viewing
Last viewed: 7 hours ago
High performance glass wool without moisture barrier. *Separate construction of a moisture barrier layer is required. Recommended for homes seeking...
Paramount Glass Industries Co., Ltd.
270+ people viewing
Last viewed: 1 day ago
Glass wool has the highest level of thermal conductivity of 0.032 W/ (m・K) for users who require even more insulation performance. ■Features ・Th...
Kaze Daichi Products Ltd.
420+ people viewing
Last viewed: 2 hours ago
■We will not send out professionals who cannot create a ``warm house in winter'' and ``a cool house in summer.'' The box model experiment is an exp...
Niko Bussan Co., Ltd.
290+ people viewing
Last viewed: 1 day ago
■Insulation material Ceramic fiber (RCF), alumina fiber, and alkali silicate earth (AES) fiber were used. This is an insulating material that can w...
Aqua Dannetsu Co., Ltd.
330+ people viewing
Last viewed: 1 day ago
■Product contents ・Packaging: Ceramic Copper CC100/approx. 12kg (approx. 19 liters in 5 gallon can) ・Specific gravity: 0.59 ・Contents: 1-compone...
JFE Rock Fiber
1950+ people viewing
Last viewed: 1 day ago
Insulation material for filling methods, ceilings, and wall walls ･ F ★★★★ ･ JIS A 9521 Building insulation material ･ Non-combustible materials: ...
6 models listed
Japan Aqua Co., Ltd.
670+ people viewing
Last viewed: 31 minutes ago
■Features ・Anti-termite treatment is applied to protect the insulation material from termite damage for a long period of time. ・We use termiticid...
Mag Isobert Co., Ltd.
490+ people viewing
Last viewed: 25 minutes ago
High performance glass wool without moisture barrier. Standard product for insulation materials in the Japanese housing market ■Main features ・In...
Almetax Co., Ltd.
340+ people viewing
Last viewed: 1 day ago
Indoor windows gently connect light, wind, and the family. With an integrated aluminum frame, we pursue a slim design while considering constructio...
Paramount Glass Industries Co., Ltd.
290+ people viewing
Last viewed: 46 minutes ago
The "Taiyo SUNR" series is a higher performance version of the familiar "Taiyo SUN" with a thermal conductivity of 20 [kg/m³] and a thermal conduct...
Niko Bussan Co., Ltd.
270+ people viewing
Last viewed: 14 hours ago
■Insulation material This insulation material uses ceramic fiber (RCF), alumina fiber, and alkali silicate earth (AES) fiber to withstand high temp...
JFE Rock Fiber
880+ people viewing
Last viewed: 2 hours ago
Insulation material for filling methods, ceilings, and wall walls ･ F ★★★★ ･ JIS A 9521 Building insulation material ･ Non-combustible materials: ...
2 models listed
Paramount Glass Industries Co., Ltd.
350+ people viewing
Last viewed: 17 hours ago
“Taiyo SUN” was created using our technology developed locally in Hokkaido. ■Features -This is a high-performance product developed for the first ...
Niko Bussan Co., Ltd.
320+ people viewing
■Insulation material This insulation material uses ceramic fiber (RCF), alumina fiber, and alkali silicate earth (AES) fiber to withstand high temp...
Nippon Insulation Co., Ltd.
410+ people viewing
Last viewed: 4 hours ago
Fire resistance, durability, and insulation properties. Fire-resistant external insulation walls with a variety of functions keep your home safe fr...
4 models listed
JFE Rock Fiber
640+ people viewing
Last viewed: 8 hours ago
For external tension method and filling method ･ F ★★★★ ･ JIS A 9521 Building insulation material ･ Non-combustible materials: NM-8600 ■ Characte...
2 models listed
Niko Bussan Co., Ltd.
270+ people viewing
Last viewed: 5 hours ago
■Insulation material This insulation material uses ceramic fiber (RCF), alumina fiber, and alkali silicate earth (AES) fiber to withstand high temp...
Fuji Cut Co., Ltd.
260+ people viewing
Last viewed: 6 hours ago
Achilles Scope Plan foam is a floor insulation material for wooden houses that takes advantage of the excellent performance and workability of expa...
Nissho Chemical Co., Ltd.
630+ people viewing
Last viewed: 4 hours ago
Fibric insulation film Hanic. In addition to beautiful cosmetics, heat insulation, cushioning, and lighter, water retention is realized. A film wit...
