Auto Body Adhesive Vs Welding: Which One Should You Choose?

Structural Adhesive vs. Welding Sticky Aide


When it comes to repairing or assembling auto body parts, two options come to mind: adhesive and welding. Both methods have their advantages and disadvantages, and choosing the right one for your project requires careful consideration.

What is Auto Body Adhesive?

Auto body adhesive is a type of glue that is used to bond car parts together. It is made of a polymer material that creates a strong bond when it dries. Adhesive is popular among auto body repair shops because it is easy to use and does not require special equipment.

What is Welding?

Welding is a process of joining metal parts together using heat. It involves melting the metal at the joint and allowing it to cool and solidify. Welding requires specialized equipment and skills, and it is often used in heavy-duty applications.

Advantages of Using Auto Body Adhesive

1. Easy to use – Auto body adhesive can be applied using a simple applicator gun, making it easy for anyone to use.

2. Quick drying time – Adhesive dries quickly, which means that you can move on to the next step of your project sooner.

3. No special equipment required – Unlike welding, adhesive does not require any special equipment or training.

Disadvantages of Using Auto Body Adhesive

1. Not as strong as welding – While adhesive is strong, it is not as strong as welding. This means that it may not be suitable for heavy-duty applications.

2. Limited temperature range – Adhesive can only withstand a certain range of temperatures, which can be problematic in extreme weather conditions.

3. Limited compatibility – Adhesive may not work on all types of materials, which can limit its versatility.

Advantages of Using Welding

1. Stronger than adhesive – Welding creates a strong bond that is suitable for heavy-duty applications.

2. Versatile – Welding can be used on a variety of materials, including steel, aluminum, and stainless steel.

3. Longer lifespan – Welded joints have a longer lifespan than adhesive joints.

Disadvantages of Using Welding

1. Requires specialized equipment – Welding requires specialized equipment and training, which can be expensive and time-consuming.

2. Longer drying time – Welding takes longer to cool and solidify than adhesive.

3. More difficult to use – Welding requires more skill and experience than adhesive, making it less accessible to DIYers.


Choosing between auto body adhesive and welding depends on your project’s requirements and your skills and experience. Adhesive is a great option for simple repairs and DIY projects, while welding is better suited for heavy-duty applications. Whichever method you choose, make sure to follow best practices to ensure a strong and reliable bond.