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This section provides an overview for crack sealer as well as their applications and principles. Also, please take a look at the list of 11 crack sealer manufacturers and their company rankings. Here are the top-ranked crack sealer companies as of March, 2026: 1.Robotic Maintenance Vehicles, 2.BILON HEAVY INDUSTRY (GUANGZHOU) CO.,LTD, 3.Cimline.
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Categories Related to Crack Sealer
Crack sealer is a material used to repair cracks in walls and floors.
A crack sealer should be selected according to the material to be repaired and the width of the crack. In addition, there is a high possibility that water will erode into the interior of the building, causing water to splash on household goods and electrical systems, leading to corrosion of household goods and electrical leaks.
Therefore, when cracks are found, early action is required.
Crack sealers are used on exterior walls, asphalt, floors, and other areas where cracks exist. Cracks can be caused by earthquakes, dryness, deterioration due to wind, rain, and ultraviolet rays, and the compatibility of materials.
Deterioration due to wind, rain, and ultraviolet rays can be prevented through regular inspection and repair. When cracks occur, corrosion inside the exterior wall may progress from the cracked area, and the exterior wall itself may collapse.
Different types of crack sealer should be used for different applications. The main types of materials used are as follows:
Cementitious or epoxy resins are used. Depending on the width of the cracks, epoxy resin sealers are recommended. If the exterior wall is chipped along with the crack sealer, a cementitious sealer should also be used.
A sheet made of fiberglass or asphalt-based heat injection material is used. For an easy fix, there is a product called instant asphalt. It can be made by mixing with water and kneading a bit of asphalt, so there is no need to call a contractor to fix cracks and minor dents.
Use a repair material made from acrylic resin, epoxy resin, or beeswax. If you are indoors, don't worry about it, but if you are outdoors and there is a possibility of leaks, we recommend using a type that also includes a water stopping effect.
Plaster is used to repair walls finished with plaster. Used for exterior walls of traditional houses and, more recently, for interior materials, plaster is a material that is particularly prone to cracking because of its humidity-controlling effect.
If cracks appear in vinyl wallpaper, a gap filler called Bondo Coke can be used to repair them. Cracks are caused by expansion and contraction due to the dryness of the substrate and temperature changes, as well as vibration caused by the opening and closing of doors and windows. The color of the Bond Coke should be selected to match the color of the wallpaper.
There is a method of filling in flaws by pouring crack repair material into the cracked area, or the "U-cut sealer filling method" for exterior wall cracks. For cracks on exterior walls, there is the "U-cut sealant filling method," in which a U-shaped groove is dug with a disk grinder and filled with a special epoxy resin material.
Another method is the "low-pressure injection method." This method is used when cracks are deep. Epoxy resin is placed in a special syringe-like device and set along the crack. Using the force of a spring or rubber, the repair material is injected over a period of about 24 hours.
In either method, the repair material acts like an adhesive to fill the flaw and prevent water intrusion. If the inexperienced person is using this method as a first aid measure, paint, cartridge, or pouch types are relatively easy to install. If you are looking for a high-quality installation, it is safer to ask a professional contractor to do the work.
Cracks that exceed 0.3 mm in width should be repaired as soon as possible. The reason for this is that cracks over 0.3 mm in width have a very high possibility of moisture penetration into the exterior wall.
In this case, it is recommended to have a professional contractor take a look at the cracks instead of repairing them yourself using a crack sealer. If the crack is left too long, the entire building will probably be damaged. The area to be repaired will be larger and the cost will be higher than using a crack sealer.
Crack scales, which are specially designed to measure the width of cracks, are available at home improvement stores, and crack scales can be used to self-diagnose cracks.
*Including some distributors, etc.
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A & A Melters, headquartered in Canada, is a manufacturer and supplier that specializes in manufacturing melters and related equipment. The company offers a comprehensive range of melter products and services, including electric melters, gas-fired melters, mastic melters, burners and customized melters tailored to specific industrial requirements. The company also specializes in Fire tube replacement, Maintenance, Customizing, Diesel retro-fitting and works as a full service Steel Fabricating shop. Its melters and equipment find applications in industries like Metal Casting, Foundries, and Industrial Heating.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Robotic Maintenance Vehicles |
33.3%
|
| 2 | BILON HEAVY INDUSTRY (GUANGZHOU) CO.,LTD |
16.7%
|
| 3 | Cimline |
16.7%
|
| 4 | BearCat Manufacturing |
16.7%
|
| 5 | A & A Melters |
16.7%
|
Derivation Method
The ranking is calculated based on the click share within the crack sealer page as of March 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.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
5 | 55.6% |
|
United States of America
|
3 | 33.3% |
|
Canada
|
1 | 11.1% |
147 products found
147 products
Hakuyu Co., Ltd.
510+ people viewing
Last viewed: 8 hours ago
For those who are having trouble with concrete cracks. Easy repair. Since it is a cement-based material, it is compatible with concrete. H2 Crack ...
Koizumi Seima Co., Ltd.
670+ people viewing
Last viewed: 1 day ago
■What is e-jector? This is a device for automatically and continuously injecting epoxy resin into cracks in concrete structures at low pressure. Th...
SHOWA REKISEI INDUSTRIES CO., LTD.
400+ people viewing
The penetrating crack sealing material is a room-temperature type crack sealing material that is injected from above the surface layer (high-perfor...
Sanso Giken Co., Ltd.
460+ people viewing
Last viewed: 1 day ago
■POINT -Easy to repair without using special tools or equipment. - A cement-based repair material that penetrates into cracks and has an excellent ...
Nippon Jikko Co., Ltd.
270+ people viewing
NETIS registration number: KT-200044-A KF Road Maintenance N is a level difference correction material that has excellent workability and can be f...
2 models listed
Tokyo Fukuko Co., Ltd.
310+ people viewing
■Product overview Fukko All-Purpose Filler is a thinly coated base conditioning material that is suitable for a variety of bases such as floors, wa...
Green Environmental Material Co., Ltd.
1100+ people viewing
Last viewed: 7 hours ago
Improving the environment of livestock barns by repairing cracks ■Three points ・Easy: Just mix water and mortar and apply. It can be easily repai...
Two One Co., Ltd.
510+ people viewing
Last viewed: 1 day ago
■Common sense about concrete changes The strength is approximately 4 times that of concrete. A repair material that can be reinforced in as little ...
Sanki Kako Co., Ltd.
490+ people viewing
Last viewed: 1 day ago
■Product overview Repair cracks that occur in concrete without damaging the aesthetics ■Features A modifier is injected into concrete to seal it w...
Keken Polymer Materials (Shanghai) Co., Ltd.
280+ people viewing
Last viewed: 3 hours ago
■Product introduction A spackle wall repair kit containing water-based resin, fillers, and additives. ■Features ・High stickiness and toughness, a...
EPJ Co., Ltd.
240+ people viewing
Last viewed: 3 hours ago
Umetaro Kit is a cement-based repair material, so it is compatible with concrete. The materials necessary for repair work are packaged in a kit, so...
Tokyo Fukuko Co., Ltd.
400+ people viewing
Last viewed: 22 hours ago
■Product overview Fukko Hard Mortar is a fast-curing cement mortar with a special hardening mechanism and is a floor repair material that can be us...
Candil Design Co., Ltd.
430+ people viewing
Last viewed: 1 day ago
■Quickly repair cracks, cracks, and chips ・Because it is a solvent-free resin, there is no fading after filling. ・Ultraviolet curing type that dr...
Sanso Giken Co., Ltd.
510+ people viewing
Last viewed: 1 day ago
■POINT - Self-leveling material for repairing concrete floors. ・Since it hardens quickly, it can be opened quickly. ・It is also suitable for grou...
Aztec Co., Ltd.
330+ people viewing
Last viewed: 1 day ago
■Features ・An all-weather room-temperature composite material (repair material) that hardens rapidly when sprinkled with water. ・Compared to conv...
3 models listed
Temuco Fine Co., Ltd.
320+ people viewing
Last viewed: 1 day ago
■Main uses The main component is polyurea resin, making it a tough hard elastic body with a rubber hardness of about 90. ■Main equipment to be app...
Candil Design Co., Ltd.
500+ people viewing
Last viewed: 1 day ago
■Quickly repair cracks, cracks, and chips ・Because it is a solvent-free resin, there is no fading after filling. ・Ultraviolet curing type that dr...
Temuco Fine Co., Ltd.
300+ people viewing
Last viewed: 21 hours ago
■Main uses Places subject to heat ⇒ Suitable for abrasion environments such as powder abrasion ■Main equipment to be applied Repair of hot crusher...
Sun Denzai Kogyo Co., Ltd.
570+ people viewing
Last viewed: 1 day ago
■Purpose of use - Anti-corrosion repair of galvanized, welded and fused parts and edges of general steel materials. ・An alternative to galvanizing...
Shin-Etsu Industry Co., Ltd.
660+ people viewing
Last viewed: 1 day ago
■Summary Alpron G-50 is a low-viscosity epoxy resin adhesive for injection into cracks and voids in concrete structures. Taking advantage of the ex...
Shin-Etsu Industry Co., Ltd.
690+ people viewing
Last viewed: 5 hours ago
■Summary Water Stop Regiment is a pre-mix type quick setting mortar for water stopping, made with special quick setting cement as a binder, various...
Kansai Patate Kako Co., Ltd.
280+ people viewing
Last viewed: 1 day ago
Cercoat is a one -liquid emulsion -based waterproof material that is the main component of special asphalt system and special synthetic resin emuls...
8 models listed
Sun Denzai Kogyo Co., Ltd.
430+ people viewing
Last viewed: 21 hours ago
■Painting spray for insulation corrosion protection With just one spray, you can easily apply an extremely green, anti-corrosion, and anti-rust coa...
Candil Design Co., Ltd.
320+ people viewing
Last viewed: 1 day ago
■Mohawk Company. A strong 2-component epoxy adhesive. A two-component epoxy adhesive that cures quickly and has high durability and weather resista...
Shin-Etsu Industry Co., Ltd.
880+ people viewing
Last viewed: 4 hours ago
■Summary Compatible with NEXCO cross-section repair material standards Resin mortar that is a set of epoxy resin and special aggregate that anyone...
Sun Denzai Kogyo Co., Ltd.
610+ people viewing
Last viewed: 1 day ago
■Jointal A compound that is applied or filled to conductors, terminals, sleeves, and other connecting materials to prevent corrosion and oxidation....
Shin-Etsu Industry Co., Ltd.
430+ people viewing
Last viewed: 18 hours ago
■Summary The main ingredient, silicic acid, penetrates into the concrete and causes a chemical reaction with the lime in the concrete, forming C-S-...
4 models listed
Shin-Etsu Industry Co., Ltd.
660+ people viewing
Last viewed: 9 hours ago
■Summary Alpron S-110 is an epoxy resin-based elastic adhesive developed with flexibility and elasticity based on epoxy resin with excellent adhesi...
Candil Design Co., Ltd.
340+ people viewing
Last viewed: 1 day ago
■For filling cracks and gaps in concrete and stone This is an epoxy adhesive that cures quickly and has high durability and weather resistance. Sin...
Candil Design Co., Ltd.
520+ people viewing
Last viewed: 9 hours ago
■For filling cracks and gaps in concrete and stone This is an epoxy adhesive that cures quickly and has high durability and weather resistance. Sin...
