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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 April, 2026: 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 April 2026
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 April 2026. 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% |
565 products found - Page 2
565 products - Page 2
Paramount Glass Industries Co., Ltd.
470+ people viewing
Last viewed: 21 hours ago
This is a glass wool board for interior use with a frame pasted with glass cloth. It can be used as an interior material for machinery rooms, facto...
Paramount Glass Industries Co., Ltd.
370+ people viewing
Continuously molded high-density glass wool into a corrugated shape. Easy construction on curved surfaces such as round and square ducts. ■Feature...
Paramount Glass Industries Co., Ltd.
530+ people viewing
Last viewed: 10 hours ago
A material made of lightweight glass wool with painted glass non-woven fabric. ■Features ・A single piece of insulation, sound absorption, and des...
Mag Isobert Co., Ltd.
610+ people viewing
Last viewed: 15 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.
450+ people viewing
Last viewed: 12 hours ago
This is a high-performance glass wool board developed for the additive insulation method using Taiyo SUN, a safe and high-quality high-performance ...
JFE Rock Fiber
560+ people viewing
Last viewed: 8 hours ago
Insulation material for filling methods, ceilings, and wall walls ・ F ★★★★ ・ JIS A 9521 Building insulation material ・ Non-combustible materials: ...
6 models listed
Nippon Jukenkyo Co., Ltd.
260+ people viewing
Last viewed: 14 hours ago
Nippon Jukenkyo Co., Ltd.
280+ people viewing
Last viewed: 14 hours ago
JFE Rock Fiber
1690+ 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...
JFE Rock Fiber
870+ people viewing
Last viewed: 11 hours ago
Strong, supple fibers are for all applications. F ★★★★ ■ Use ・ For industrial materials ・ Rock wool sound absorbing board ・ Ceramic external mate...
Mag Isobert Co., Ltd.
770+ people viewing
Last viewed: 16 hours ago
High performance glass wool without moisture barrier. Standard product for insulation materials in the Japanese housing market ■Main features ・In...
JFE Rock Fiber
720+ people viewing
Last viewed: 1 minute 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
410+ people viewing
Last viewed: 13 minutes 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
Mag Isobert Co., Ltd.
420+ people viewing
Last viewed: 22 hours ago
Cutter exclusively for glass wool. The firm blade thickness and long blade length even with thick glass wool insulation improve construction effici...
Mag Isobert Co., Ltd.
540+ people viewing
Last viewed: 3 hours ago
Airtight packing/airtight packing for foundations. A foam base material with a closed cell structure that has high sealing properties (watertightne...
Paramount Glass Industries Co., Ltd.
710+ people viewing
Last viewed: 4 hours ago
“Taiyo SUN” was created using our technology developed locally in Hokkaido. ■Features -This is a high-performance product developed for the first ...
JFE Rock Fiber
280+ people viewing
Last viewed: 1 day ago
Ideal for lighter and flexible partition walls and ceilings F ★★★★ ■ Use ・ Building wall ・ Ceiling insulation ・ Sound ・ Sound absorption of apart...
4 models listed
JFE Rock Fiber
590+ people viewing
Last viewed: 3 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.
420+ people viewing
Last viewed: 21 hours ago
A high-end model with a thermal conductivity of 0.032 [W/ (m・K) ], which has the highest thermal insulation performance in the SUNR series. ■Feat...
Paramount Glass Industries Co., Ltd.
410+ 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...
JFE Rock Fiber
430+ people viewing
For external tension method and filling method ・ F ★★★★ ・ JIS A 9521 Building insulation material ・ Non-combustible materials: NM-8600 ■ Characte...
2 models listed
Paramount Glass Industries Co., Ltd.
480+ people viewing
Last viewed: 1 hour 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...
Mag Isobert Co., Ltd.
440+ people viewing
Last viewed: 52 minutes ago
Mag Isobair's Magroll Light Fit is a roll-type glass wool that can be used in a wide range of applications as a heat-insulating and sound-absorbing...
JFE Rock Fiber
620+ people viewing
Last viewed: 4 hours ago
It is suitable for the construction of curved surfaces with strong construction, heat and compression. F ★★★★ ■ Use ・ Insulation and heat insulat...
9 models listed