PDR Knocking Up Technique Explained | A Better Way to Repair Dents?

What is the PDR knocking up technique, and when should you use it instead of pushing a dent?

In Episode 33 of the PDR Universe Podcast, Žan Vidic and Zeeshan take a deep dive into knocking up — a Paintless Dent Repair technique where controlled hammer strikes from behind the panel are used to move a dent instead of relying only on continuous pressure from a PDR rod.

We discuss the difference between knocking up and traditional PDR pushing, why this technique is strongly associated with Brazilian PDR technicians, and why knocking up can sometimes produce a cleaner repair with fewer waves and shoulders around the dent.

Žan also explains how he uses knocking up on deep and sharp hail dents when he is concerned about stretching the metal, which tips he prefers, when he switches back to conventional pushing, and how the technique fits alongside backside blending and hammer-and-dolly methods.

We also get into stretched dents, oil-canning, tip selection, sanding and polishing, and ways to potentially reduce the amount of shrinking required on difficult PDR repairs.

Whether you're learning Paintless Dent Repair, repairing hail damage, or you're an experienced PDR technician looking to expand your techniques, this episode gives you a practical look at another way of moving metal.

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Topics: Paintless Dent Repair, PDR knocking up, PDR pushing, hail damage repair, stretched dents, PDR tools, deep dent repair, advanced PDR techniques, dent repair training.