Welding Tips: Floorpan Lap and Butt Welds

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Craig Hopkins uses his helmet cam to give you an up-close look of the timing, spacing and location of a proper weld. He starts by using a 3 inch grinder to flatten welds out, and then shows you how to create lap and butt welds that are four beads long. Use this helpful welding tips provided to enhance your classic car.

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8 Responses to “Welding Tips: Floorpan Lap and Butt Welds”
    • Customer Service Techs

      Hello Benjamin, thank you for your question. We are emailing the links to some of the videos in regards to body panels to your email. If you have any question, please contact us at 1-855-706-3534. Thank you!

      • Customer Service Techs

        Yes, We have you covered on virtually all aspects of welding on various body panels. While Craig often uses a spot welder for speed purposes, the same results can be achieved using plug welding techniques

        • Cisal

          Hello!There has been a stop in the building, but we are going to conunite soon. Right now we can’t build during weekends, but we are fixing that. The university started again and the weekends are essential for the build.Regards,Uku

      • Gurkirt

        Hi Liz congratulations on your wbetise it is fantastic site that depicts you to a tea. I have a few of your pieces now and I look forward to building on my Yard Art collection GO GIRL Janine!

  1. Fery

    Many years ago I used a miller dc itevrner ( gold seal 140) to weld cans together. Electrode positive only and using scratch start. Back then welding cans together was a challenge for even an experienced welder but today’s itevrners with balance control ,freq settings and arc stability at low amps means its an easy task. I own a miller dynasty200dx and by my third attempt my machine was set to correct parameters and welding cans was achieved. I even ran beads along the side of the can but you’ll find you need to clean the side of the can well then hold the filler wire so its touching the can wall then strike your arc on the filler itself. Once the filler melts into the can and pools keep the wire in the pool constantly focusing most heat on the wire and move fast.

  2. Candy

    Great videos as alawys Ben!Did you perchance use your wireless lavs while recording the video? I can here quite a bit of EM interference in the audio. Which isn’t surprising with the Inverter having a spark gap, and the fact that you’re welding in front of a camera.Try using a wired lav if you have one, hopefully with some sort of shielded cable, it might reduce EM noise getting picked up. Also make sure none of the camera/audio cables are laying across any power cables.Best case would be a shotgun mic some distance away pointed at your head, but that would require $$$.

  3. Bill

    why a lap weld ? wont that trap moisture? why cool the weld, wont that shrink the metal?


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