Speeding Up JB Weld Quick Wood Cure Time: Heat Curing Method Explored

by parker
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JB Weld is a popular adhesive known for its strong bonding abilities, particularly with aluminum. For many users, the standard 24-hour curing time might be an inconvenience. However, an alternative method using heat curing can significantly reduce the wait. In this guide, we will discuss how to speed up the JB Weld quick wood cure time with the heat curing method, making the bond even stronger.

Heat Curing Method Explained

Step 1: Preparing the JB Weld

Start by applying JB Weld on the aluminum, and a little on the lead shims you made. For optimal results, the room temperature should be around 70 degrees, with low humidity.

Step 2: Heat Curing with a Reflector

The heat curing method requires a reflector, housing a 300-watt Barn incandescent light. This light can get really hot, which is perfect for the job. You can set it on a cork to avoid heating up anything around it.

Step 3: Placing the Object for Curing

Place the object under the heat lamp. A steel nut can be used for heat retention, transferring some heat to the object. The object can be left under the lamp for about four hours.

Step 4: Checking the Strength

To check if the curing has been successful, you can mill the area to see how strong it is. It should be super strong and can withstand grinding, filing, or sanding.

Step 5: Understanding Why It Works

Heat curing negates the humidity in the air. So, by adding a little heat, you can quickly cure JB Weld, making the bond much stronger. But be cautious not to use a drying station from a fan, as it can cool everything down, resulting in weak joints.

Resources Used

  1. Reflector with 300-watt Barn Incandescent Light: This is the main tool for heat curing, providing the necessary heat to speed up the curing process.
  2. Cork: Used as a base to prevent the heat from affecting surrounding objects.
  3. Steel Nut: Helps in retaining and transferring heat to the object.


Heat curing JB Weld is an effective method to not only speed up the curing time but also enhance the bond’s strength. By following the above steps and using simple resources like a reflector, heat lamp, and steel nut, you can achieve a super-strong bond in just four hours.

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