Can you put auto body filler over paint?

Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint. However, with so many different types of aftermarket paint available (lacquer, enamel, urethane, water-based). We recommend that all paint be removed where filler is to be applied.”

Can you use body filler over rust converter?

Bondo should adhere to the rust converter. I’ve done it in the past with no issues. 10/4/11 12:22 p.m. It will be hard to get a straight answer on the Metal-Filler-Primer or Metal-Primer-Filler question.

Does Bondo stick to paint?

Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond. Any galvanized metal repair requires Bondo Ultimate.

Can you use body filler over por15?

CAN I USE BODY FILLER OR PUTTY WITH POR-15? Yes. First paint both sides of the rusted area with POR-15; then use body filler or putty as soon as the POR-15 is dry to the touch.

Can you put polyfilla over paint?

When using filler it is always good practice to thin down the first coat of emulsion when painting the surface. We would recommend you rub down the surface and apply another coat but thin down the paint with 20\% water – this will seal the surface and give a more uniform finish.

Can you put putty over paint?

This spot and glazing putty is ideal for spot repairs and other small repairs to auto body panels. Use it for filling pinholes in body filler as well as for covering minor sand scratches, and more on metal, fiberglass and wood as well as sanded and primed or sanded and painted surfaces.

Can you Bondo over surface rust?

To Bondo or Not to Bondo Minor surface rust can often be sanded and painted, but major rust pitting and holes may require a little more effort and material — specifically, Bondo or some other quality body filler. However, Bondo shouldn’t be used on every kind of rust hole.

Should you prime before body filler?

Do not proceed to Primer Filler stage until filled area is even. Adding body filler AFTER primer filler should be avoided to prevent possible adhesion, staining and shrinkage concerns.

Can you put por 15 directly over rust?

POR 15 Rust Preventive Paint: POR15 is a rust preventative paint designed for application directly on rusted or seasoned surfaces. It dries to a rock-hard, non-porous finish that won’t chip, crack, or peel, and it prevents rust from re-occurring by protecting metal from further exposure to moisture.

Does POR15 stick to bare metal?

POR-15 Metal Prep provides the best adhesion for POR-15 Rust Preventive Coating on any metal surface, including aluminum and shiny polished metal surfaces. After thoroughly degreasing your work piece, apply environmentally safe POR-15 Metal Prep to both neutralize any rust and etch any clean bare metal.

Why does filler show through paint?

Different fillers have varying levels of absorbtion as does the original surface of the wall. That means when you paint over it the paint behaves in a different way on each surface. I suspect you already painted with a normal top coat which will explain why you still see the filler.