J-B Weld
American epoxy adhesive brand known for high-temperature, two-part bonding and repair products.
Last updated August 31, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
J-B Weld is an American epoxy adhesive brand and the flagship product of the J-B Weld Company, an international manufacturer based in Sulphur Springs, Texas. The brand is associated primarily with two-part epoxy systems used to bond, fill, seal, laminate, and repair a wide range of materials. Its principal product, J-B Weld Original, combines a resin and a hardener that are mixed immediately before use. Once cured, the material is marketed for resistance to water, petroleum and other chemicals, acids, shock, vibration, and changes in temperature. The original formulation is particularly associated with high-temperature applications, with reference material describing continuous resistance up to 500°F (260°C) and short-term resistance up to approximately 600°F (316°C). The company was founded in Sulphur Springs in 1969 by Sam Bonham, who had been operating a machine shop. He developed an epoxy that he described as tougher than steel and initially called it Just Bond, a name later shortened to J-B Weld. The early business sold primarily to automotive shops and jobbers in Texas. Automotive repair remains central to the brand’s identity, especially through advertising that depicts repairs to engine blocks and other demanding mechanical components, but the products are also used in household maintenance, hardware, marine work, farming, fabrication, and general do-it-yourself projects. J-B Weld’s original range included J-B Weld, J-B Kwik, J-B Stik, and Waterweld. Following a purchase by private investors in 2008, the company broadened its portfolio with products such as J-B SteelStik, KwikWood, PlasticWeld, MarineWeld, Perm-O-Seal, WoodWeld, and ClearWeld. These products extend the brand beyond a single metal-repair epoxy into specialized formulations for wood, plastics, marine environments, underwater repairs, clear bonding, and putty-style applications. The company’s distribution evolved from a regional automotive-sales model into a broader retail network. Its products are sold through automotive chains, home-improvement centers, hardware stores, farm stores, and other retail channels. Reference material states that the company serves all 50 U.S. states and 27 additional countries. International expansion accelerated after Sam Bonham’s death in 1989, when Mary Bonham opened a European hub in London. The brand therefore combines a strongly American industrial-repair heritage with an international consumer-products footprint. J-B Weld is positioned around durability, versatility, and practical repair rather than cosmetic or lifestyle branding. Its products are designed for users who want to repair or modify objects without welding equipment, replacement parts, or conventional mechanical fastening. The brand’s product claims and advertising emphasize demanding use cases, but performance depends on surface preparation, the materials being joined, the formulation selected, and the conditions of use. The company remains active as a private business, although detailed ownership, financial, executive, and corporate-website information is not established by the supplied reference material.
History
J-B Weld traces its origins to Sulphur Springs, Texas, where machine-shop operator Sam Bonham developed a two-part epoxy intended to provide a strong alternative to conventional repair methods. The material was initially called Just Bond and was later abbreviated to J-B Weld. Bonham founded the J-B Weld Company in 1969, building the early business by selling to automotive shops and jobbers in Texas. The brand’s identity developed around repairs involving metal and machinery, including applications where heat, vibration, fluids, and mechanical stress made ordinary household adhesives unsuitable. The original J-B Weld system used separate resin and hardener tubes that were mixed before application. The cured compound could be worked mechanically and used in several ways, including as an adhesive, filler, plug, sealant, laminate, or electrical insulator. Its reported ability to tolerate elevated temperatures helped distinguish it from general-purpose adhesives and supported its use in automotive and workshop settings. Advertising showing engine-block repairs reinforced the association between the brand and difficult mechanical fixes. Sam Bonham died in 1989. After his death, Mary Bonham opened a European hub in London, helping move the company beyond its original Texas and U.S. customer base. The company subsequently developed a wider international distribution network. Reference material describes present distribution across all 50 U.S. states and 27 other countries through automotive retailers, home-improvement centers, hardware stores, farm stores, and other channels. For much of its early history, the company’s range centered on a limited group of products: J-B Weld Original, the faster-setting J-B Kwik, the putty-like J-B Stik, and Waterweld. In 2008, a group of private investors purchased the company. Under leadership identified in the reference material with CEO Chip Hanson, the business expanded its product portfolio. Newer or additional lines included J-B SteelStik, KwikWood, PlasticWeld, MarineWeld, Perm-O-Seal, WoodWeld, and ClearWeld. This expansion allowed the brand to address different substrates, curing requirements, visual preferences, and environments rather than relying solely on its original high-temperature metal-oriented formulation. J-B Weld Original remains the brand’s central product. It is described as a two-part epoxy that begins to set after several hours and may require up to approximately 15 hours to cure fully, depending on temperature and conditions. Once cured, it can be drilled, sanded, ground, tapped, machined, shaped, and painted. J-B Kwik serves users who prioritize faster curing and accepts lower temperature resistance than the original formulation. Other products are designed for underwater repairs, plastics, wood, marine use, metal-filled putty applications, or clear bonding. The modern J-B Weld brand therefore occupies a hybrid position: it is a recognizable consumer repair brand sold through retail channels, but its image and product claims remain rooted in workshop, automotive, and industrial problem-solving. The supplied references do not establish detailed later ownership changes, audited financial results, a complete executive roster, or a confirmed official web address. Those areas require further verification.
- 2008
Acquisition by private investors
[1]A group of private investors purchased the company. The subsequent period was associated with broader product-line development and leadership by CEO Chip Hanson.
- 1989
European expansion begins
[1]Following Sam Bonham’s death, Mary Bonham opened a European hub in London, supporting the company’s international development.
- 1969
J-B Weld Company founded
[1]Sam Bonham founded the J-B Weld Company in Sulphur Springs, Texas, after developing and commercializing a two-part epoxy originally referred to as Just Bond.
Products and positioning
Durable, versatile repair adhesives for automotive, household, industrial, marine, agricultural, and do-it-yourself applications, with a particular emphasis on high-temperature and mechanically demanding repairs.
High-temperature two-part epoxy
J-B Weld Original
The flagship J-B Weld formulation uses separate resin and hardener components that are mixed before application. It is intended for bonding, filling, sealing, laminating, plugging, and repair across materials including metals, ceramics, glass, concrete, fiberglass, wood, plastics, fabric, and paper. Reference material describes continuous temperature resistance up to 500°F (260°C), with short-term exposure up to approximately 600°F (316°C). Once cured, the dark-gray compound can be drilled, sanded, ground, tapped, machined, shaped, and painted.
Fast-curing two-part epoxy
J-B Kwik
J-B Kwik is a faster-setting two-part epoxy intended for users who need shorter handling and curing times than the original formulation. It provides medium-temperature resistance up to approximately 300°F (149°C). The product is described as waterproof and resistant, after curing, to petroleum, chemicals, acids, shock, vibration, and temperature fluctuations, although it is not as strong or heat-resistant as J-B Weld Original.
Epoxy putty
J-B Stik
J-B Stik is an epoxy-putty product in the company’s original core range. Its putty format is intended for shaping and filling repairs where a thicker compound is more suitable than a flowing liquid adhesive. The supplied reference material identifies the product as part of the early portfolio but does not provide detailed technical specifications or a confirmed launch date.
Underwater epoxy adhesive and filler
Waterweld
Waterweld is an epoxy repair product designed for underwater or wet-environment applications. It belongs to the company’s original group of named products and extends the brand’s repair proposition beyond dry automotive and workshop settings. The supplied reference material does not provide a detailed formulation, curing schedule, or launch year.
Steel-filled epoxy putty
J-B SteelStik
J-B SteelStik is a later product-line addition aimed at metal repair in a moldable putty format. It reflects the company’s expansion from its original liquid two-tube epoxy into specialized repair compounds. The supplied reference material names the product but does not establish detailed technical specifications or a launch date.
Wood repair epoxy
KwikWood
KwikWood is a specialized epoxy repair product for wood-related applications. Its inclusion in the expanded portfolio reflects J-B Weld’s move into household, construction, carpentry, and general maintenance use cases. The supplied sources do not provide a confirmed launch year or detailed performance specifications.
Plastic repair adhesive
PlasticWeld
PlasticWeld is a formulation intended for bonding or repairing plastic components. It broadens the brand’s substrate coverage beyond the metal-focused identity of J-B Weld Original and supports automotive, household, and fabrication repairs involving plastic parts. The supplied reference material does not specify its launch date or complete technical profile.
Marine repair adhesive
MarineWeld
MarineWeld is a product developed for marine repair contexts. It extends J-B Weld’s positioning into equipment and structures exposed to water and marine conditions. The supplied reference material identifies the line but does not provide a full description of its formulation, temperature range, or introduction date.
Sealing and repair compound
Perm-O-Seal
Perm-O-Seal is among the products added or promoted as part of the company’s post-2008 portfolio expansion. Its name indicates a sealing-oriented repair application, complementing the brand’s adhesive and filler products. The supplied sources do not establish detailed specifications, markets, or a launch year.
Wood adhesive
WoodWeld
WoodWeld is a wood-oriented adhesive product in the expanded J-B Weld range. It gives the brand a dedicated offering for wood bonding and repair rather than requiring users to select a general-purpose metal-repair epoxy. No detailed technical data or confirmed introduction year is provided in the supplied reference material.
Clear two-part epoxy
ClearWeld
ClearWeld is a clear-curing epoxy intended for applications where the appearance of the finished repair matters. It follows the two-part adhesive model used by the brand but differs visually from the dark-gray original product. Reference material describes its bond strength as lower than J-B Weld Original while noting its advantage for less visible repairs.
Marketing campaigns
- Engine-block repair advertising
United States
J-B Weld has used advertising depicting the repair of engine blocks and other demanding automotive components. The creative supports the brand’s central promise of strong, practical repair without conventional welding or replacement.
Outcome. The campaign reinforced J-B Weld’s automotive and high-performance repair positioning; a specific campaign date and measured result are not available in the supplied sources.
Brand decisions
2008
Sale to private investorsM&ABackground
After decades as a founder-established epoxy company, J-B Weld was acquired by a group of private investors.
Action taken
The investors took ownership and the company subsequently expanded its product portfolio under leadership associated with CEO Chip Hanson.
Aftermath
The business added specialized products for steel, wood, plastics, marine use, sealing, and clear bonding, while retaining its original and fast-curing epoxy products.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/j-b-weld · Editorial policy · How profiles are compiled