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Home » Workshop » Corrosion Repairs » Why Cavity Waxing Works

Much corrosion comes from the inside of box sections. This reduces their strength and can eventually result in the demise of the car.

Project Shop uses a variety of cavity waxes from established suppliers such as Waxoyl, Tetroseal, Dinitrol, and Wurth to safeguard the inner, unseen parts of your car.

We have specialised knowledge and equipment to ensure that the coating of protective wax completely covers the panels internal surfaces. This protects inner and outer sills, wheel arches and the bottoms of doors from corroding. It also protects your investment in your classic!

While cavity waxing produces cannot remove rust, when properly applied on dirt-free steel they exclude oxygen even with water present and so substantially reduce rusting. Our process includes a wash where possible, drying, drilling inconspicuous holes into box sections where necessary, injecting wax and plugging holes. For doors, we carefully remove the door cards, blow out any damp, vacuum out any debris and spray the wax thoroughly. It should drip from the normal drain holes, which we subsequently clear. Rear wheel arches are often a problem as inner and outer wings can meet in inaccessible areas. Often these are badly sealed by the manufacturer.

Rustproofing top-ups should be carried out every 2-3 years, so even if you have had your car cavity-protected in the past, it pays to keep on top of it.

With the cost of welded repairs so high, it doesn’t make sense to stint on the thing that can protect your car in its current state.


Home » Workshop » Corrosion Repairs » Why Cavity Waxing Works
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